aaapril 17,2013 q and a (1)
TRANSCRIPT
-
8/12/2019 aaapril 17,2013 q and a (1)
1/154
Q and A LectureLaurenn O. Lacbanes, D.M.D.
-
8/12/2019 aaapril 17,2013 q and a (1)
2/154
Gen Anat/Oral
Anat/Physio
-
8/12/2019 aaapril 17,2013 q and a (1)
3/154
Right Subclavian and Rightcommon carotid arteries arise
from the?
a) Arch of the aorta
b) Ascending aorta
c) Brachiocephalic artery
d) Thoracic aorta
-
8/12/2019 aaapril 17,2013 q and a (1)
4/154
Arch of the Aorta
Brachiocephalic A.
Left Common Carotid A.
Left Subclavian A.
Right
Subclavian
A.
Right
Common
Carotid A.
-
8/12/2019 aaapril 17,2013 q and a (1)
5/154
Which of the following is the primeextensor of the forearm?
a) Triceps brachii
b) Biceps brachii
c) Latissimus dorsi
d) Brachioradialis
e) Extensor digitorum communis
-
8/12/2019 aaapril 17,2013 q and a (1)
6/154
Which of the following muscles
adducts the vocal cords?
a) Lateral cricoarytenoid
b) Posterior cricoarytenoid
c) Cricothyroid
d) Tensor veli palatine
-
8/12/2019 aaapril 17,2013 q and a (1)
7/154
Ependymal cells constitute thetissue that?
a) Lines the ventricles of the brain
b) Lines the ventricles of the heart
c) Forms a part of peripheral neuroglia
d) Covers nerve cell bodies in a ganglion
e) All of the above
-
8/12/2019 aaapril 17,2013 q and a (1)
8/154
Cribiform plate of ethmoid isfound in the?
a) Anterior cranial fossa
b) Middle cranial fossa
c) Posterior cranial fossa
d) Temporal fossa
-
8/12/2019 aaapril 17,2013 q and a (1)
9/154
Anterior Cranial
Fossa
Middle Cranial
Fossa
Posterior Cranial
Fossa
Foramen cecum Optic canal Foramen magnum
Cribiform plate ofethmoid
Superior orbitalfissure
Hypoglossal canal
Crista galli Foramen rotundum Jugular foramen
Foramen ovale Internal acousticmeatus
Foramen spinosum Condylar canal
Foramen lacerum
Carotid canal
-
8/12/2019 aaapril 17,2013 q and a (1)
10/154
Union of superficial temporal andmaxillary vein:
a) retromandibular vein
b) common facial vein
c) internal jugular
d) pterygoid venous plexus
-
8/12/2019 aaapril 17,2013 q and a (1)
11/154
The three usual primary branches
of the celiac artery are the?
a) Common hepatic, splenic, left gastric
b) Common hepatic, splenic, right gastric
c) Gastroduodenal, splenic, left gastric
d)Right gastroepiploic, splenic, left gastruc
e) Common hepatic, right gastroepiploic, leftgastric
-
8/12/2019 aaapril 17,2013 q and a (1)
12/154
Impulses representing taste fromthe tongue are back to the brain
via
a) CN VII, CNIX, CN X
b) CN I, CN II, CN VIIIc) CN V, CN VII, CN XI
d) CN V, CN VII, CN X
-
8/12/2019 aaapril 17,2013 q and a (1)
13/154
The facial nerve innervates the
a) Stylohyoid
b) Posterior belly of digastric
c) Anterior belly of digastric
d) A and B
e) A and Cf) B and C
-
8/12/2019 aaapril 17,2013 q and a (1)
14/154
The lingula of the mandible serves
as an attachment for the
a) Temporalis muscle
b) Stylomandibular ligamentc) Sphenomandibular ligament
d) Temporomandibular ligament
e) Tendon of digastric muscle
-
8/12/2019 aaapril 17,2013 q and a (1)
15/154
A muscle that acts to protrudethe mandible
a) Masseter
b) Digastric
c) Lateral pterygoid
d) Temporalis
-
8/12/2019 aaapril 17,2013 q and a (1)
16/154
Muscles of mastication
Muscle Origin Insertion
Temporalis Temporalis fossa Coronoid process
Internal/ medialpterygoid
medial surface oflateral pterygoid
medial surface oframus and angle ofmandible
Masseter Zygomatic process angle of the
MandibleExternal/lateralpterygoid
Lateral surface oflateral pterygoid
Neck of condyle
-
8/12/2019 aaapril 17,2013 q and a (1)
17/154
Which recurrent laryngealnerve loops around the arch of the
aorta?a) Right recurrent laryngeal nerve
b) Left recurrent laryngeal nervec) External laryngeal nerve
d) Inferior laryngeal nerve
-
8/12/2019 aaapril 17,2013 q and a (1)
18/154
Hypomineralized structures which
extend from the DEJ to the surfaceof enamel are called?
a) Enamel rods
b) Enamel lamellae
c) Enamel spindles
d) Enamel tuft
-
8/12/2019 aaapril 17,2013 q and a (1)
19/154
The infraorbital nerve is a branchof the?
a) Optic nerve
b) Oculomotor nerve
c) Opthalmic nerve
d) Maxillary nerve
e) Mandibular nerve
-
8/12/2019 aaapril 17,2013 q and a (1)
20/154
In the mandibular block anesthesia, whichof the following is penetrated if the tip of
the needle is resting well below themandibular foramen?
a) Masseterb) Lateral pterygoid
c) Temporal
d) Medial pterygoid
e) Sternocleidomastoid
-
8/12/2019 aaapril 17,2013 q and a (1)
21/154
All of the following structures liesuperficial to the hyoglossus
muscle except the?
a) Lingual nerve
b) Lingual artery
c) Hypoglossal nerve
d) Submandibular duct
e) All of the above
-
8/12/2019 aaapril 17,2013 q and a (1)
22/154
Which of the following muscles issupplied by the CN XI?
a) Levator scapulae
b) Latissimus dorsi
c) Trapezius
d) Major rhomboid
e) Minor rhomboid
-
8/12/2019 aaapril 17,2013 q and a (1)
23/154
CN XITrapeziusraises shoulderewan ko
inserts in inion andsuperior nuchal line
-
8/12/2019 aaapril 17,2013 q and a (1)
24/154
The tendon of the tensor veli palatinimuscle curves around the
a) Angular spine
b) Styloid process
c) Pterygoid hamulus
d) Neck of the condyle
-
8/12/2019 aaapril 17,2013 q and a (1)
25/154
The platysma is supplied by
a) CN V
b) CN VII
c) CN IX
d) CN X
-
8/12/2019 aaapril 17,2013 q and a (1)
26/154
The palatine shelf is a medialextension of the_______ process.
a) Lateral nasal
b) Intermaxillary
c) Maxillary
d) Medial nasal
e) mandibular
-
8/12/2019 aaapril 17,2013 q and a (1)
27/154
The communication between theinfratemporal fossa and the
pterygopalatine fossa is the
a) Pharnygeal canal
b) Pterygopalatine canal
c) Sphenopalatine foramen
d) Pterygomaxillary fissuree) Pterygomaxillary foramen
-
8/12/2019 aaapril 17,2013 q and a (1)
28/154
When the permanent maxillary arch is
viewed occlusally, generally thea) Distobuccal angle of the first molar is acute
b) 2ndmolar is wider mesiodistally than the first
molarc) Second premolar is wider buccolingually than the
1stmolar
d) Lingual embrasures are wider than are the buccalembrasures
e) Buccal embrasures are wider than are the lingualembrasures
-
8/12/2019 aaapril 17,2013 q and a (1)
29/154
What is the usual relation of the
lingual cusp tips of the maxillarypremolars to the buccal cusp tips?
a) Buccal
b) Lingual and distal
c) Exactly lingual
d) Lingual and mesial
-
8/12/2019 aaapril 17,2013 q and a (1)
30/154
The_____ pterygoid is the primemover in effecting a left working
movement.a) Left lateral
b) Right lateralc) Left medial
d) Right medial
-
8/12/2019 aaapril 17,2013 q and a (1)
31/154
Which of the following is not amixed nerve:
a) Trochlear
b) Facial
c) CN9
d) CN10
-
8/12/2019 aaapril 17,2013 q and a (1)
32/154
Sensory: CN 1,2,8
Motor: CN 3,4,6,11,12
Mixed: CN 5,7,9,10
-
8/12/2019 aaapril 17,2013 q and a (1)
33/154
Innervation of stapedius muscle:
a) facial nerve
b) trigeminal nerve
c) olfactory nerve
d) nerve to the stapedius
-
8/12/2019 aaapril 17,2013 q and a (1)
34/154
The facial n. enters the internal acousticmeatus together with CN 8 and dividesinto three in bone:
-greater petrosal n.foramen lacerum
-nerve to the stapedius
-chorda tympani
-
8/12/2019 aaapril 17,2013 q and a (1)
35/154
Facial nerves are derived fromthe ___ branchial arch
a) First
b) Second
c) Third
d) Fourth
e) Fifth and sixth
-
8/12/2019 aaapril 17,2013 q and a (1)
36/154
CN V 1stbranchial arch
CN VII 2ndbranchial arch
-
8/12/2019 aaapril 17,2013 q and a (1)
37/154
Digitalis is prescribed to persons withatrial fibrillation because it
a) Depresses A-V conduction
b) Ameliorates A-V conduction
c) Inc. no. of discharges from S-A node
d) Dec. no. of discharge from S-A node
-
8/12/2019 aaapril 17,2013 q and a (1)
38/154
In a compensation acidosis, the pH ofblood plasma is normal but the total
carbon dioxide content is low. Thecompensation is achieved by
a) Excretion of an alkaline urine
b) Decreasing the volume of respiration per minute
c) Increasing the volume of respiration per minute
d) Excretion of acid urine
e) Increasing the carbon dioxide production
-
8/12/2019 aaapril 17,2013 q and a (1)
39/154
Compensation acidosismetabolic acidosis
Hyperventilation: respiratory alkalosis
metabolic acidosis
-
8/12/2019 aaapril 17,2013 q and a (1)
40/154
Administration of heparin is similar to Vit. Kdeficiency in symptoms because both result
in
a) Release of lipoprotein lipase to the blood and rapidclearance of chylomicrons
b) An inc. in bleeding time due to lack of thrombinformation
c) Retardation of fibrinogen synthesis by the liver
d) Elevated non-esterified fatty acids which chelateserum calcium, thus retarding blood clotting
-
8/12/2019 aaapril 17,2013 q and a (1)
41/154
Activation of the membrane anddevelopment of the spike potential
most likely relates to the
a) Rapid influx of K+
b) Rapid influx of Na+
c) Rapid outflow of K+
d) Rapid outflow of Na+
-
8/12/2019 aaapril 17,2013 q and a (1)
42/154
Under physiologic conditions, thelowest partial pressure of oxygen is
found ina) Normal atmospheric air
b) Humidified atmospheric airc) Alveolar air
d) Expired air
e) Venous blood
-
8/12/2019 aaapril 17,2013 q and a (1)
43/154
Linolenic acid and arachidonic acidsare precursors of
a) Prostaglandins
b) Steroid hormones
c) Lecithin and other phospholipids
d) Isoprenoid chains required forcholesterol and vit. A synthesis
-
8/12/2019 aaapril 17,2013 q and a (1)
44/154
Which part of the nervous systemcontains cardiac, vomiting, and
vasomotor centers?a) Medulla
b) Thalamusc) Cerebral cortex
d) Cervical region of spinal ganglia
e) None of the above
A d fi i f hi h f h f ll i
-
8/12/2019 aaapril 17,2013 q and a (1)
45/154
A deficiency of which of the followingvitamins would most likely elicit oral
symptoms?a) Pyridoxine (B6)
b) Cobalamine (B12)c) D
d) E
e) k
-
8/12/2019 aaapril 17,2013 q and a (1)
46/154
The role of liver in edema may bea result of
a) Decreased aldosterone secretion
b) Decreased vasopressin secretion
c) Diminished albumin synthesis
d) All of the above
e) Only a and b
-
8/12/2019 aaapril 17,2013 q and a (1)
47/154
Extracellular fluid:
a) Is composed mainly of transcellular fluids
b) Makes up the major proportion of total body
waterc) Has a higher sodium/potassium ratio than
intracellular fluid
d) Contains less glucose than intracellular fluid
-
8/12/2019 aaapril 17,2013 q and a (1)
48/154
Bodys water
2/3 ICF ECF
Soln of
potassium and
organic anions,
proteins, etc.
interstitial fluid plasma
Which amino acid become
-
8/12/2019 aaapril 17,2013 q and a (1)
49/154
Which amino acid becomehydroxylated in the synthesis of
collagen?a) Serine
b) Tryptophanc) Proline
d) Phenylalanine
e) Arginine
Process by which genetic
-
8/12/2019 aaapril 17,2013 q and a (1)
50/154
Process by which geneticinformation flows from RNA to
protein isa) Mutationb) Translation
c) Replication
d) Transcription
e) None of the above
-
8/12/2019 aaapril 17,2013 q and a (1)
51/154
Sympathetic stimulation affectscarbohydrate metabolism because
a) Peripheral tissues require epinephrine totake up glucose
b) Sympathetic nerves to the pancreasregulate insulin release
c) Insulin cannot act on the liver in the absenceof epinephrine
d) Epinephrine increases glycogenolysis
e) None of the above
-
8/12/2019 aaapril 17,2013 q and a (1)
52/154
Receptors
Parasympathetic and SympatheticPREGANGLIONIC neuronscholinergic
Parasympathetic POSTGANGLIONICcholinergic
Sympathetic POSTGANGLIONICadrenergic (norepinephrine and epinephrine)
ti l t d t ff ti l
-
8/12/2019 aaapril 17,2013 q and a (1)
53/154
stimulated most effectivelyby
a) Elevated Ph
b) Low oxygen tension
c) High oxygen tension
d) Low carbon dioxide tension
e) Increased arterial blood pressure
Calcium binds to which of the
-
8/12/2019 aaapril 17,2013 q and a (1)
54/154
Calcium binds to which of thefollowing for contraction of
smoothmuscle?a) Troponin c
b) Calmodulinc) Myosin
d) Actin
e) Desmosomes
Whi h f th f ll i
-
8/12/2019 aaapril 17,2013 q and a (1)
55/154
Which of the followingproduces inhibin?
a) Sertoli cells
b) Leydig Cells
c) Vas deferens
d) epididymis
Th th id h t
-
8/12/2019 aaapril 17,2013 q and a (1)
56/154
The parathyroid hormone actson the
a) Distal tubule of the kidney
b) Proximal convoluted tubule
c) Ascending loop
d) Descending loop
-
8/12/2019 aaapril 17,2013 q and a (1)
57/154
Resto/Comm Dent
Of the following materials the one
-
8/12/2019 aaapril 17,2013 q and a (1)
58/154
Of the following materials, the oneMOST likely to cause an adverse
pulpal reaction when placed directly ina deep cavity preparation is
a) Silver amalgamb) Calcium hydroxide
c) Silicate cement
d) Zinc-oxide eugenol
e) Zinc phosphate cement
Organization from highest to
-
8/12/2019 aaapril 17,2013 q and a (1)
59/154
Organization from highest tolowest position :
a) ranking
b) central tendency
c) Scalar
d) practice management
What is the predominant
-
8/12/2019 aaapril 17,2013 q and a (1)
60/154
What is the predominantcollagen in dentin?
a) Type I
b) type II
c) Type III
d) type IV
Pulp capping is an indicated
-
8/12/2019 aaapril 17,2013 q and a (1)
61/154
Pulp capping is an indicatedprocedure when there is
a) An accidental mechanical exposure ina clean, dry field
b) No hemorrhage from the exposurec) pain response to cold
d) A large exposure
e) All of the above
Dental wax patterns should be invested
-
8/12/2019 aaapril 17,2013 q and a (1)
62/154
Dental wax patterns should be investedas soon as possible after fabrication on
order to minimize change in the shapecaused by
a) Reduced flow
b) Drying-out of the wax
c) Relaxation of internal stresses
d) Continued expansion of the waxe) Increased flow
-
8/12/2019 aaapril 17,2013 q and a (1)
63/154
Which of the following is the
weakest phase of the set amalgam?a) beta-2b) Gamma-2
c) Gamma
d) Beta-1
e) Gamma-1
The retention for any class V
-
8/12/2019 aaapril 17,2013 q and a (1)
64/154
The retention for any class Vrestoration is placed
a) in mesial and distal areas
b) In occlusal and gingival areas
c) At the expense of the axial wall
d) None of the above
The most effective means of providing
-
8/12/2019 aaapril 17,2013 q and a (1)
65/154
p gmaximum protection against cariesactivity for a great number of people isthrough
a) Plaque control programs
b) School dental health programs
c) Meticulous brushing
d) Topical application of a solution of fluoride
e) Fluoridation of the communitys drinking waterf) A community program using pit and fissure
sealant
-
8/12/2019 aaapril 17,2013 q and a (1)
66/154
Optimal amt. of fluoride for publicdrinking1 ppm
What percent is the reduction
-
8/12/2019 aaapril 17,2013 q and a (1)
67/154
What percent is the reductionof caries in fluoridation:
a) 70%
b) 80%
c) 60%
d) 90%
Preparations of class I cavities for
-
8/12/2019 aaapril 17,2013 q and a (1)
68/154
pthe restoration of amalgam, direct
filling gold and the gold inlay have incommon
a) Divergence of buccal and lingual wallsocclusally
b) Divergence of the mesial and distal wallsocclusally
c) Convergence of the buccal and lingualwalls occlusally
d) Undercutting the mesial and distal walls
is the discolored corroded
-
8/12/2019 aaapril 17,2013 q and a (1)
69/154
_____ is the discolored, corroded,superficial layer frequently seen on
the surface of a dental amalgamrestoration.
a) Mercury
b) Gamma-2
c) Ferrous oxide
d) A sulfidee) Copper oxide
The outline form of a cavity
-
8/12/2019 aaapril 17,2013 q and a (1)
70/154
The outline form of a cavitypreparation is the
a) Shape or form of the preparation aftercarious dentin has been excavated
b) Shape or form the preparation assumes
after retention form has been completed
c) Shape or form of the preparation on thesurface of the tooth
d) Next step to be accomplished in a cavitypreparation after resistance form has beenestablished.
On a carbide bur, a greater number
-
8/12/2019 aaapril 17,2013 q and a (1)
71/154
, gof cutting blades results in ____
efficient cutting and a ______surfacea) less; smoother
b) Less; rougher
c) More; smoother
d) More; roughere) Less; smoother or rougher
The glass slab is chilled prior to
-
8/12/2019 aaapril 17,2013 q and a (1)
72/154
The glass slab is chilled prior tomixing silicate cement powder
and liquid primarily to
a) Allow more powder to be incorporated in the
liquidb) Dissipate the heat of reaction
c) Allow greater gel formation
d) Increase the pH of the mix
e) None of the above
-
8/12/2019 aaapril 17,2013 q and a (1)
73/154
Chronic dental caries differs
from acute dental caries in thata) There is greater penetration of the lesion
b) There is greater depth than width to the lesion
c) The unsupported enamel is usually fracturedaway
d) There is usually minimal sensitivity
e) A, c, d
f) B,c,d
g) All of the above
Pain following the placement of an
-
8/12/2019 aaapril 17,2013 q and a (1)
74/154
g pamalgam restoration is most
frequently related toa) Heatb) Cold
c) Occlusal pressure
d) Galvanic shock
The rotational instrument which
-
8/12/2019 aaapril 17,2013 q and a (1)
75/154
leaves the roughest surface on cut
tooth structure is aa) Medium grit diamond at low seed
b) Cross cut fissure bur at ultra speedc) Cross cut fissure bur at low speed
d) Garnet disc at low speed
e) Medium grit diamond at ultra speed
Stainless Steel pins are principally
-
8/12/2019 aaapril 17,2013 q and a (1)
76/154
Stainless Steel pins are principallyused in conjunction with amalgam
restorations to enhance thea) Retention
b) Strength
c) Resistance form
d) All of the above
e) A and b
A minimal mercury level for amalgam
-
8/12/2019 aaapril 17,2013 q and a (1)
77/154
A minimal mercury level for amalgamvaries with the brand of alloy used but
it falls within the range ofa) 40%-50%
b) 46%-53%
c) 50%-55%
d) 55%-60%
Asbestos is utilized to line a
-
8/12/2019 aaapril 17,2013 q and a (1)
78/154
Asbestos is utilized to line acasting ring in order to
a) Help uniformly distribute the heatthroughout the mold
b) Facilitate venting of the moldc) Permit expansion of the mold
d) All of the above
Compared to unfilled resins
-
8/12/2019 aaapril 17,2013 q and a (1)
79/154
Compared to unfilled resins,composite resins have
a) greater compressive strength
b) Less solubility
c) Greater working time
d) Smoother finished surface
e)Greater color stability
Where are the assistants feet during
-
8/12/2019 aaapril 17,2013 q and a (1)
80/154
gany operative procedure when four-
handed dentistry is used?
a) On the floor
b) On the stool support
c) On the dental chair base
d) Wherever is convenient
-
8/12/2019 aaapril 17,2013 q and a (1)
81/154
The cleansing property of a toothpaste
is primarily a function of itsa) Abrasivenessb) Fluoride content
c) Physical form, paste or powder
d) Binding agents
Adjustment of dietary
-
8/12/2019 aaapril 17,2013 q and a (1)
82/154
j ysupplementation levels of fluoride
should be a function ofa) Age and sex
b) Age and number of permanent teethc) Race and artificial fluoridation levels of
water
d) Age and natural fluoridation levels ofwater
e) Sex and natural fluoridation of water
Which of the following properties
-
8/12/2019 aaapril 17,2013 q and a (1)
83/154
gis most characteristic of the
current cement bases?
a) High coefficient of thermal expansion
b) High ductility
c) Adhesion to tooth structure
d) Low thermal conductivity
-
8/12/2019 aaapril 17,2013 q and a (1)
84/154
Enamel is etched with
a) Maleic acid
b) Phosphoric acid
c) Polyacrylic acid
d) Tartaric acid
c component o t e a ent nbonding system functions primarily to
-
8/12/2019 aaapril 17,2013 q and a (1)
85/154
bonding system functions primarily topenetrate through the remnant smear
layer and into the intertubular dentin toform an interpenetrating network
around dentin collagen?
a) Etchant
b) Primer
c) Adhesived) None of the above
-
8/12/2019 aaapril 17,2013 q and a (1)
86/154
Hybrid layer/ resin-dentin interdiffusionzoneNakabayashi
The principal reason for using a
-
8/12/2019 aaapril 17,2013 q and a (1)
87/154
The principal reason for using acavosurface bevel when preparing a
tooth for a cast gold inlay or onlay
a) To allow room for cement
b) To improve marginal adaptation
c) To compensate for shrinkage of thecasting gold alloy
d) To provide resistance form to thepreparation
What is the blade width of a
-
8/12/2019 aaapril 17,2013 q and a (1)
88/154
What is the blade width of acutting instrument with the
following formula: 10-85-8-14
a) 10 mm
b) 1 mm
c) 0.85 mm
d) 0.6 mm
-
8/12/2019 aaapril 17,2013 q and a (1)
89/154
4# formula
width of the blade in tenths of amillimeter
primary cutting edge angle incentigrade
blade length in millimeter
blade angle in centigrade
WALA
h f
-
8/12/2019 aaapril 17,2013 q and a (1)
90/154
The retention of a pin:
a) Decreases as the diameter of the pinincreases
b) Increases as the diameter of the pin
increases
c) Increases as the diameter of the pindecreases
d) The retention of the pin has nothing todo with the diameter of the pin
The most retentive style of pin
-
8/12/2019 aaapril 17,2013 q and a (1)
91/154
y pis:
a) Cemented pins
b) Friction-locked pins
c) Self-threaded pins
The optimal interpin distance depends
-
8/12/2019 aaapril 17,2013 q and a (1)
92/154
The optimal interpin distance dependson the size of the pin to be used. The
minimal interpin distance is ___ forMinikin pin and _____ for minim pin.
a) 0.5mm, 2 mmb) 1.0mm, 3mm
c) 3mm, 5mm
d) 5mm, 7mm
-
8/12/2019 aaapril 17,2013 q and a (1)
93/154
Rule of Thumb
Pins should be 2mm into dentin, 2mmwithin amalgam, and 1mm from the DEJ
Pins are placed parallel to the externaltooth surface
Which rubber dam frameid i f h
-
8/12/2019 aaapril 17,2013 q and a (1)
94/154
provides more retraction of the
soft tissues?a) Woodbury
b) Youngs
c) Both are the same
-
8/12/2019 aaapril 17,2013 q and a (1)
95/154
The pH of acidulated phosphate
fluoride (APF) gels is?a) 1-4b) 4-7
c) 7-10
d) 10-12
-
8/12/2019 aaapril 17,2013 q and a (1)
96/154
pH: APF3-3.5
NaF9.2
SnF22.1-2.3
KnutsonSodium Fluoride
MuhlerStannous fluoride
-
8/12/2019 aaapril 17,2013 q and a (1)
97/154
Oral Surg/Oral Diag/Radio
A sudden swelling of the lip which
-
8/12/2019 aaapril 17,2013 q and a (1)
98/154
g pcomes and goes without apparent
cause is most likelya) A mucocele
b) Angioneurotic edema
c) A lymphangioma
d) A hemangioma
e) An aneurysm
The most common disorderi i b t th
-
8/12/2019 aaapril 17,2013 q and a (1)
99/154
causing pain about the
masticatory apparatus includingthe TMJ is
a) Myofascial pain dysfunction
b) Trigeminal neuralgia
c) Degenerative arthritis
d) Traumatic arthritise) Temporal arteritis
Loss of tooth surface at the cervicalf t th d b t il d
-
8/12/2019 aaapril 17,2013 q and a (1)
100/154
areas of teeth caused by tensile andcompressive forces during tooth
flexure is referred to as:
a) Erosion
b) Abfraction
c) Attrition
d) Abrasion
Which type of amelogenesisi f i h i d b h i
-
8/12/2019 aaapril 17,2013 q and a (1)
101/154
imperfecta is characterized by having
enamel so soft that it can be removedduring a prophylaxis?
a) Type I (Hypoplastic AmelogenesisImperfecta)
b) Type II( Hypocalcified AmelogenesisImperfecta)
c) Type III (Hypomaturation AmelogenesisImperfecta)
Hypoplasticdefective formation ofl i
-
8/12/2019 aaapril 17,2013 q and a (1)
102/154
enamel matrix
Hypocalcifiednormal quantity butenamel matrix has defective
mineralization
Hypomaturationimmature crystallites;
can be pierced by an explorer tip w/ firmpressure
Leukemia which accounts for about
-
8/12/2019 aaapril 17,2013 q and a (1)
103/154
2/3 of cases among children is?
a) Acute lymphocytic leukemia
b) Acute myeloid leukemia
c) Chronic lymphocytic leukemia
d) Acute monoblastic leukemia
-
8/12/2019 aaapril 17,2013 q and a (1)
104/154
CMLPhiladelphia chromosome (22)
AMLmalignant; hematopoieticprecursors are arrested in an early stageof developmentmyeloblast containsAUER RODS
-
8/12/2019 aaapril 17,2013 q and a (1)
105/154
Surgery on the articular eminence:
a) Eminectomy
b) Condylectomy
c) Condylotomy
d) odontectomy
When was the dental x-ray
-
8/12/2019 aaapril 17,2013 q and a (1)
106/154
invented?
a)1862
b)1805
c)1897
d)1895
In determining the location of IAN in
-
8/12/2019 aaapril 17,2013 q and a (1)
107/154
relation to apices of teeth, _____
method is used.a) Clark shift
b) Frank shift
c) Richards method
d) paralleling
Alveoloplasty consists f the following:I Compression of the lateral walls of the
-
8/12/2019 aaapril 17,2013 q and a (1)
108/154
I. Compression of the lateral walls of theextraction site
II. Removal of intraseptal bone andrepositioning of the cortical boneIII. Recontouring bony irregularities usingrongeur and bone fileIV. Gross removal of bone to increase interarchspacea) I,II,III
b) II, III, IV
c) I,III,IV
d) IV
Electromagnetic waves are:
-
8/12/2019 aaapril 17,2013 q and a (1)
109/154
a) alpha
b) beta
c) gammad) cathode
Radiographic examination is useful indi i ll b t f th f ll i
-
8/12/2019 aaapril 17,2013 q and a (1)
110/154
diagnosing all but one of the following
cysts.a) Globulomaxillary
b) Nasoalveolar
c) Traumatic bone
d) Follicular
e) radicular
Bony ankylosis of the TMJ is
-
8/12/2019 aaapril 17,2013 q and a (1)
111/154
y ytreated by
a) steroid injections into the joint
b) Surgical procedures
c) Immobilizing jaws with wiresd) Rest, soft, diet, heat, and aspirin
e) Occlusal equilibration
Whi h f th f ll i i id d t
-
8/12/2019 aaapril 17,2013 q and a (1)
112/154
Which of the following is considered to
be the normal prothrombin time (PT)a) < 7 seconds +/- 2 seconds
b) < 11 seconds +/- 2 seconds
c) < 14 seconds +/- 2 seconds
d) < 25 seconds +/- 2 seconds
-
8/12/2019 aaapril 17,2013 q and a (1)
113/154
PTT: 25-36 seconds
Bleeding time: less than 9 minutes
Platelet counts: 150,000- 450,000 per 1cu mm
*50,000minimum count for oral
surgery
The propylene glycol in IVli
-
8/12/2019 aaapril 17,2013 q and a (1)
114/154
valium can cause:
a) Cellulitis
b) A unilateral facial paralysis
c) Phlebitisd) syncope
The most common direction inwhich the articular disc in the
-
8/12/2019 aaapril 17,2013 q and a (1)
115/154
which the articular disc in the
TMJ can be displaced is:a) Lateral
b) Medial
c) Posterior
d) Anteromedial
Which nerve is the largest of the 12
-
8/12/2019 aaapril 17,2013 q and a (1)
116/154
gcranial nerves and is the principal
general sensory nerve to the head,particularly the face?
a) Vagus
b) Glossopharyngeal
c) Faciald) Trigeminal
The Caldwell-Luc procedure is done byki i i h f i l ll
-
8/12/2019 aaapril 17,2013 q and a (1)
117/154
making an opening into the facial wall
of the antrum above the:
a) Maxillary tuberosity
b) Maxillary lateral incisor
c) Maxillary premolar roots
d) Maxillary third molar
More than 90% of all diagnosed
-
8/12/2019 aaapril 17,2013 q and a (1)
118/154
malignant oral cancers are:
a) Squamous cell carcinoma
b) Hodgkins disease
c) Keratoacanthosisd) salivary gland tumors
How many milligrams of epinephrine
-
8/12/2019 aaapril 17,2013 q and a (1)
119/154
How many milligrams of epinephrine
are in each cartridge (1.8cc) of 2%lidocaine with 1:100,000 epinephrine?
a) 0.018 mg
b) 18 mg
c) 0.036 mg
d) 36 mg
-
8/12/2019 aaapril 17,2013 q and a (1)
120/154
Lidocaine : 36 mg
Epinephrine : 0.018mg
hematogenous spread of maxillaryd t i i f ti i th
-
8/12/2019 aaapril 17,2013 q and a (1)
121/154
odontogenic infection via the venous
drainage of the maxilla. The causativeagent is generally:
a) Staphylococcus aureusb) Streptococci
c) Pneumococci
d) fungi
Trismus caused by an inferior alveolarinjection is the result of injecting
-
8/12/2019 aaapril 17,2013 q and a (1)
122/154
injection is the result of injecting
below the mandibular foramen intothe:
a) Buccinator muscle
b) Masseter muscle
c) Temporalis muscle
d) Medial pterygoid muscle
e) Lateral pterygoid
Bifid ribs, multiple radiolucent lesionsof the jaws multiple basal cell nevi
-
8/12/2019 aaapril 17,2013 q and a (1)
123/154
of the jaws, multiple basal cell nevi,
and calcification of the falx cerebri arefound in
a) Horner syndrome
b) Gardner syndrome
c) Sturge-weber syndrome
d) Basal cell nevus syndrome
e) Hereditary intestinal polyposis
Which of the following diseases is
-
8/12/2019 aaapril 17,2013 q and a (1)
124/154
Which of the following diseases is
characterized by normal serumcalcium and phosphorus and elevatedserum alkaline phosphatase?
a) Osteomalacia
b) Pagets disease
c) Hyperthyroidismd) Renal rickets
e) hypoparathyroidism
A major radiographic findingi t d l d l i i
-
8/12/2019 aaapril 17,2013 q and a (1)
125/154
in ectodermal dysplasia is
a) A ground-glass appearance of thebone
b) Many congenitally missing teeth
c) Calcification of the falx cerebrum
d) Hutchinsons teeth
e) osteoporosis
Some microorganisms produce adiffuse spreading inflammatory
-
8/12/2019 aaapril 17,2013 q and a (1)
126/154
diffuse, spreading inflammatory
reaction due to the elaboration ofa) Coagulase
b) Bradykinin
c) Hyaluronidase
d) Peroxidase
e) Leukotaxine
Hyperplasia associated with the borderf ill fitti d t ( li
-
8/12/2019 aaapril 17,2013 q and a (1)
127/154
of an ill-fitting denture(epulis
fissuratum) is most similarhistologically to
a) Papillomab) Verruca vulgaris
c) Pyogenic granuloma
d) Irritation fibroma
e) Peripheral odontogenic fibroma withcalcification
A horizontal fracture of the maxillabelow the level of the orbits is
-
8/12/2019 aaapril 17,2013 q and a (1)
128/154
below the level of the orbits isclassified as a
a) Le Fort I fracture
b) Le fort II fracture
c) Le Fort III fractured) Zygomatico-maxillary complex
fracture
e) Caldwell-Luc
Masticatory space infectionshave as their hallmark
-
8/12/2019 aaapril 17,2013 q and a (1)
129/154
have ____ as their hallmark.
a) Dyspnea
b) Erythema
c) Myxoedemad) Trismus
e) hematemesis
A herringbone or diamond effect will
-
8/12/2019 aaapril 17,2013 q and a (1)
130/154
A herringbone or diamond effect will
appear on the processed film when:a) The film is bentb) The film is placed backwards in the
mouth
c) An improper vertical angulation isused
d) An improper horizontal angulation isused
Which of the following errors inradiographic technique is the most likely
-
8/12/2019 aaapril 17,2013 q and a (1)
131/154
g p q yreason that an image on a radiograph
would appear elongated?
a) Too much vertical angulation
b) Too little vertical angulation
c) Incorrect horizontal angulation
d) Beam not aimed at the center of film
Which of the following projections isbest for examination of the condyles
-
8/12/2019 aaapril 17,2013 q and a (1)
132/154
best for examination of the condylesand neck of the mandible (from an
anterior-posterior projection)
a) Waters projection
b) Transcranial projection
c) Townes projection
d) Submentovertex projection
When PID length is changed from 8 to16 inches the source to film distance is
-
8/12/2019 aaapril 17,2013 q and a (1)
133/154
16 inches, the source-to-film distance is
doubled. According to the inversesquare law, the resultant beam is:
a) as intenseb) 1/8 as intense
c) 4 times as intense
d) 8 times as intense
-
8/12/2019 aaapril 17,2013 q and a (1)
134/154
Target film distance
original time = original distance2
new time new distance2
Inverse square Law
original intensity = new distance2
new intensity original distance2
Sialoliths are most commonlyfound in the
-
8/12/2019 aaapril 17,2013 q and a (1)
135/154
found in the
a) Sublingual
b) Submandibular duct
c) Minor salivaryd) Parotid gland
After an orthognatic procedure, thei h l d l d
-
8/12/2019 aaapril 17,2013 q and a (1)
136/154
patient 24 hrs later developed a
temperature of 102F without local edemaor tenderness, the cause is likely
a) Atalectasis
b) Infected hematoma
c)Sinusitis
d) dehydration
What radiographic change in theskull may be seen in patients
-
8/12/2019 aaapril 17,2013 q and a (1)
137/154
skull may be seen in patients
suffering from sickle cell anemia:a) Sunburst appearance
b) Hair on end effect
c) Punch out appearance
d) Honey comb appearance
After receiving an injection of localanesthetic containing 2% lidocaine with
-
8/12/2019 aaapril 17,2013 q and a (1)
138/154
g1:100,000 epinephrine, the patient losesconsciousness. Which of the following is
the most probable cause?a) Acute toxicity
b) Allergic response
c) Syncope
d) Hyperventilation syndrome
-
8/12/2019 aaapril 17,2013 q and a (1)
139/154
WWW.GOOGLE.COM
An incisional biopsy is indicated
-
8/12/2019 aaapril 17,2013 q and a (1)
140/154
An incisional biopsy is indicated
for which of the following lesion?a) A 0.5 cm papillary fibroma of thegingiva
b) A 2.0 cm exostosis of the hard palate
c) A 2.0 cm area of fordyces disease ofthe cheek
d) A 3.0 cm hemangioma of the tonguee) A 3.0 cm area of leukoplakia of the soft
palate
Which of the following is the primary
-
8/12/2019 aaapril 17,2013 q and a (1)
141/154
g p y
direction of luxation for extractingmaxillary deciduous molars?
a)Buccal
b) Palatal
c) Mesial
d) Distal
The computer tomography (CT) scanis the gold standard for evaluation
-
8/12/2019 aaapril 17,2013 q and a (1)
142/154
is the gold standard for evaluation
of:a) Mandibular fractures at the angle
b) Fractures of the mandibular condyle
c) Le fort I fractures
d) Zygomatic fractures
e) All of the above
The image of the coronoid process ofthe mandible often appears in
-
8/12/2019 aaapril 17,2013 q and a (1)
143/154
the mandible often appears in
periapical x-rays of:a) The incisor region of the mandible
b)The molar region of the mandible
c) The incisor region of the maxilla
d) The molar region of the maxilla
Which of the following focuses theelectrons into a narrow beam and directs
-
8/12/2019 aaapril 17,2013 q and a (1)
144/154
electrons into a narrow beam and directs
the beam across the tube toward thetungsten target of the anode?
a) Copper stem
b) Filament
c) Vacuum
d) Molybdenum cup
X-ray tube
-
8/12/2019 aaapril 17,2013 q and a (1)
145/154
X-ray tube
a) Cathode (-)
-tungsten filament
- molybdenum focusing cup
b) Anode (+)
- tungsten target
- copper stem
When purpura spots are verysmall they are called:
-
8/12/2019 aaapril 17,2013 q and a (1)
146/154
small, they are called:
a) Pimples
b) Petechiae
c) Ecchymosesd) Varicose veins
A dentist is often consulted first bya patient with pernicious anemia
-
8/12/2019 aaapril 17,2013 q and a (1)
147/154
p p
for relief ofa) Denuded gingiva
b) Glossitis
c) Edematous buccal mucosa
d) Severe gingivitis
Currently, the most popularused implants are:
-
8/12/2019 aaapril 17,2013 q and a (1)
148/154
used implants are:
a) Blade form implants
b) Subperiosteal implants
c) Transosseus implantsd) Root form implants
3 categories of implants based ontheir relationship to the oral tissues:
-
8/12/2019 aaapril 17,2013 q and a (1)
149/154
their relationship to the oral tissues:
1. Endosseous implants- surgically insertedinto the jawbone; most frequently usedimplant; subdivied into root form and bladeform
2. Subperiosteal implant- rides on bone
3. Transosseous implants- similar toendosseous implants but penetrate the
entire jaw; for atrophic mandible
The most commonly usedallogenic bone is?
-
8/12/2019 aaapril 17,2013 q and a (1)
150/154
allogenic bone is?
a) Demineralized freeze-dried bone
b) Fresh frozen
c) Freeze-driedd) None of the above
Allogenic- tissue from same species butgenetically different individuals;
-
8/12/2019 aaapril 17,2013 q and a (1)
151/154
g y ;synthetic
Autograft- tissue from the same
individual
Xenogenic- another species e.g. animals
Isograft- same species and geneticallyidentical
An endosseous dental implant has
-
8/12/2019 aaapril 17,2013 q and a (1)
152/154
pbetween the bone and implant a?
a) Periodontal ligament
b) Epithelial ligament
c) Peri-implant ligament
d) A bone-implant interface
10 mm minimum bone height to placeendosseous implant
-
8/12/2019 aaapril 17,2013 q and a (1)
153/154
endosseous implant
2mm minimum distance from implantto the inferior alveolar canal
2mm distance between an implant andnatural tooth
3mm- minimum distance between twoimplants
-
8/12/2019 aaapril 17,2013 q and a (1)
154/154
God Bless!