physiology mock test q paper
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8/17/2019 Physiology Mock Test Q Paper
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Copyrights Q world 2015Copyrights Q world 2015Copyrights Q world 2015
Q world NEET PGTEST SERIES02 Physiology
2015
Copyrights Q world 2015
6/1/2015
8/17/2019 Physiology Mock Test Q Paper
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Subject : PhysiologyMCQs : 200 Time : 2 hours
1.
Which of the following is consistent with the ECGtracing shown below?
a.
Bradycardia b.
First-degree heart block
c. Second-degree heart block
d. Third-degree heart block
2.
In the diagram below, which of the followingconditions is most likely to shift the oxyhemoglobin
curve from B to A?
a. Hyperventilation
b. Carbon monoxide poisoningc.
Transfusion with banked bloodd. Exercise
3. All are true about baroreceptors, expect -
a) Stimulated when BP decreases b) Afferents are through sino-aortic nervesc) Stimulation causes increased vagal discharge
d) Stimulate nucleus ambiguous
4. What is the P50 of the oxyhemoglobin curve labeledA in the diagram below?
a. 80 mmHg b.
60 mmHg
c. 40 mmHgd. 30 mmHg
5. A-delta fibers are not involved in -a) First pain
b) Slow pain
c) Fast pain
d) Epicritic pain
6. All of the following functions of vasopressin aremediated by Vi receptors, except -a)Water reabsorption
b)Smooth muscle contraction
c)Vasoconstrictiond)None of the above
7. Nucleus of hypothalamus responding to heat –
a) Anterior b) Supraoptic
c) Preoptic
d) Paraventricular
8. BP is less than 40 mm Hg. Which mechanism of
regulation is working -
a) Chemoreceptor reflex b)Baroreceptor reflex
c)CNS ischemic reflex
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d)None of the above
9.Which of the following factors is the initiator ofextrinsic coagulation pathway -a) XII
b) X
c) VII
d) V
10. First response to decreased blood volume -
a) Increased heart rate b) Tachypnea
c) Hypotensiond) disorientation
11. Poiseille’s-Hagen law is related to -
a) Airflow resistance
b)Rate of blood flowc)Measurement of BP
d)None of the above
12.Pulmonary vasoconstriction is caused by -
a) Prostacyclin b)alpha-2 stimulationc) Hypoxia
d)Histamine
13. Boyle’s Law states that -a) P/T = constant
b)PV = constant
c)PV = nRT
d)V/T = constant
14.Blood brain barrier is not present in -a) Anterior pituitary
b)Cerebellum
c)Area postrema
d)Cingulate gyrus
15.Half-life of T3-
a) 10 hours b)1 day
c)6 days
d)10 days
16. Residual bodies are
a) Mitochondria
b) Nucleusc) Golgi apparatusd) Lysosomes
17. White fibres are present in
a) Calf muscles b) Extraocular musclec) Back muscles
d) Hip muscles
18. Normal ferritin level in adult male -a) 5-10 ng/ml
b) 100-200 ng/ml
c) 500-700 ng/mld) 800-900 ng/ml
19. Blood supply of brain in ml/100 gm/min -a) 1500
b) 750
c) 55
d) 150
20. Volume of blood in a child, per kg of body weight-a) 60-70 ml
b) 100-150 ml
c) 150-200 mld) 200-250 ml
21.Mechanism of action of cholecystokinin -
a) Activation of adenylyl cyclase
b)Opening of ion channelsc)Through IP3- DAG systemd) Transcription factors
22.Half-life of Prealbumin is -a) 2 days
b)10 daysc)20 daysd)40 days
23. Most active form of vitamin D -a) Calcefedial
b)Calcitriol
c)7-dehydrocholecalciferald)Vitamin D3
24. Which hormone is under inhibitory control -a) GH
b)Prolactin
c)FSH
d)LH
25. Central chemoreceptors are stimulated by –
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a) Decrease in PO2 b) Decrease in pH of CSF
c)Hypoxiad) Increase in pH of CSF
26. Pulmonary artery pressure is -
a)120/80 mm Hg
b)25/0 mmHgc)25/8 mmHg
d) 120/0 mm Hg
27. During starvation, which level increases -
a)Leptin b)MSHc) Ghrelin
d)Insulin
28. In obesity, leptin level -a) High
b) Normalc) Lowd)May be low to normal
29. Half-life of insulin is -a) 5min
b) 1hr
c) 12 hr
d) 24 hr
30 .Cell bodies of orexigenic neurons are present in -
a)Dorsal raphae
b)Locus coerulusc)Lateral hypothalamic area
d)Hippocampus
31. Centroacinar cells are characteristics of
a) liver
b) Kidneyc) Pancreasd) Spleen
32. Last step of spermatogenesis takes place in –
a) Leydig cells
b) Interstitial cellsc) Sertoli cellsd) Stromal cells
33. ATPase activity is present in-a) Actin
b) Myosin
c) Troponind) None
34. Afferent of golgi tendon organ arises from ?a) Muscle spindle
b) Tendon
c) Periosteum
d) Joint
35. Chemical structure of hemoglobin is -
a) Has 2 polypeptide chains with 4 heme b) Has 4 polypeptide chains with 2 heme
c) Has 4 polypeptide chains with 4 hemed) None of the above
36. Function of CAM -
a) Ion-exchange
b) Activation of protein kinasec) Activation of Ryanodine receptors
d) Release of acetylcholine
37. Protein C activation causes -
a) Promotion of clothing b) Inactivation of factor IIc) Activation of factor X
d) Inactivation of factor V
38. All are true about red muscle fibers except -a) More mitochondria
b) Glycolytic metabolism
c) More myoglobin
d) More oxidative capacity
39. Pacemaker is formed by which of the following cellsin GIT -a) P-cells
b) Oxyntic cells
c) Cajal cellsd) Parietal cells
40. Surfactant in lung alveoli starts appearing atgestational age -
a) 12 weeks
b) 20 weeksc) 28 weeksd) 32 weeks
41. Calmodulin activates –a) Muscle phosphorylase
b) Protein kinase
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c) 2, 3 DPGd) Glucokinase
42. One oogonium gives how many ovum –a) 1
b) 2
c) 3
d) 4
43. Females have low RBC count compared to males
due to -a) Low erythropoietin
b) Menstural blood lossc) High estrogend) Low stem cells
44. Duration of maximum contraction depends upon-
a) Absolute refractive period b) Relative refractive period
c) Bothd) None of the two
45. Bezold-Jarish reflex response is -a) Tachycardia
b) Bradycardia
c) Hypertension
d) None
46. GIT pacemaker is located -a) Esophagus
b) Stomach
c) Duodenumd) Jejunum
47. Frequency of theta wave -a) 2-4 Hz
b) 4-8 Hz
c)8-12 Hzd) 12-16 Hz
48. In NREM sleep, which part of brain is not involved-a) Dorsal raphe nucleus
b) Thalamus
c)Hypothalamusd) Basal forebrain
49. Spermiogenesis refers to -
a) Formation of spermatazoa from spermatogonia b) Formation of spermatazoa from spermatidsc) Formation of spermatids from spermatocytes
d) Formation of secondary spermatocytes from primaryspermatocytes
50. Healthy adult cardiac reserve is -a) 50 - 100 %
b) 100 -200 %
c) 200 - 250 %
d) 300 - 400 %
51. In extreme cold, which is not a mechanism of
thermogenesis -a)Shivering
b)Increased secretion of epinephrinec)Increased thyroxined)Piloerection
52. In brain, which cells convert glutamate to glutamine-
a) Oilgodendrocytes b)Astrocytes
c)Ependymal cellsd)Microglia
53 .Sympathetic postganglionic fibers –a) A-alpha
b) A-gamma
c)B
d) C
54. Rate of CSF secretion per day –a) 50-100 ml
b) 100-200ml
c) 300-400mld) 500-600ml
55. Carbonic anhydrase in maximally concentrated in-a) Plasma
b) RBC
c) Kidneyd) Liver
56. Daily salivary secretion is -a) 250-500 ml
b) 1000-1500 ml
c) 2000-2500 mld) 3000 ml
57. J receptors are found in which of the following-
a) Pulmonary interstitium b) Alveolar capillariesc) Terminal bronchiole
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d) Respiratory muscles
58. Conversion of chondrocyte into osteogenic cells iscaused by -a) Insulin
b) IGF-1
c) Growth hormone
d) Thyroxine
59. The oxygen dissociation curve of myoglobin &
hemoglobin is different due to-a) Hb can bind to 4 oxygen molecules
b) Cooperative binding in Hbc) Myoglobin has little oxygen affinityd) Hemoglobin follows a hyperbolic curve
60. In breast lactiferous ducts are formed under the
influence of which hormone-a) Estrogen
b) Progesteronec) LHd) FSH
61. Implantation occurs after how many days offertilization-
a) 3-5 days
b) 5-7 days
c) 7-9 daysd) > 14 days
62. Root value of ankle jerk -
a) L3L4 b) L4L5
c) S1S2d) S3S4
63. Normal QT interval is (in seconds) -
a) 0.12-0.20 b) 0.40-0.45c) 0.08-0.10
d) None
64. All are markers of mitochondria except -
a) ATP synthase b) 5-nucleotidasec) Glutamate dehydrogenase
d) Creatine kinase
65. Average reproductive life span of ovum is-a) 6-12 hrs
b) 12-24 hrsc) 24-36 hrs
d) 3 days
66. Number of ovum at birth are-
a) 2 - 3 million
b) 3 - 5 million
c) 7 - 10 milliond) 10 - 15 million
67. Melatonin is secreted by-a) Hypothalamus
b) Adrenal cortexc) Pineal glandd) Melanocytes
68. Which of the following is not a
Sarcolemmalproteins?a) Sarcoglycan
b) Dystrophinc) Dystroglycand) Perlecan
69. The total volume of CSF is -a) 50 ml
b) 100 ml
c) 150 ml
d) 275 ml
70. A wave in JVP is due to-
a) Atrial contraction
b) Ventricular fillingc) Atrial filling
d) Bulging of tricuspid valve in right atrium
71. Group B nerve fibers are -
a) Sympathetic preganglionic
b) Sympathetic postganglionicc) Parasympathetic preganglionicd) Parasympathetic post ganglionic
72. Pancreatic juice rich in water & electrolytes, poor in
enzymes is secreted by-
a) Secretin b) Cholecystokininc) Pancreatozymin
d) Gastrin
73. Hyperosmolarity of renal medulla is due to-a) K
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b) Nac) Glucose
d) Cl
74. Number of cones in Retina -
a) 3-5 millions
b) 10-20 millions
c)25-50 millionsd) 50-100 millions
75. Normal renal threshold for glucose is at plasmaglucose level -
a) 100 mg/dl b) 200 mg/dlc) 300 mg/dl
d) 400 mg/dl
76. Sweating is mediated by -a) Norepinephrine
b) Epinephrinec) Acetylcholined) Histamine
77. True about oxytocin are all except -a) Synthesized by paraventricular nucleus of
hypothalamus
b) Secreted by posterior pituitary
c) Causes uterine contraction of bodyd) Causes contraction of lower segment
78. Which thalamic nuclei can produce basal ganglia
symptoms -a) Lateral dorsal
b) Pulvinarc) Ventral anteriord) Intralaminar
79.Secretion of estrogen is maximum at ?a) Just before menopause b) At puberty
c)At menstruationd) Before ovulation
80.Physiological dead space is calculated by -a)Boyle’s law
b)Dalton’s law
c)Bohr equation
d)Charle’s law
81. Gastric emptying is delayed by all except -
a) Fat in duodenum b)Acid in duodenum
c)Gastrind)Secretin
82. Which of these is not a cause of rightward shift of
Oxygen - Hemoglobin dissociation curve?
a)Increased hydrogen ions b)Decreased C02
c) Increased temperature
d)Increased BPG
83. Fine touch and position sense is carried by -a)Lateral spinothalamic tract
b)Anterior spinothalamic tract
c)Spinocerebellar tract
d)Dorsal column
84. Which of the following is choleretic-
a) CCK b) Secretinc) Fatty acid
d) Amino acids
85.Cushing’s phenomenon is-
a)Low BP & high heart rate
b)High BP & high heart rate
c)Low BP & low heart rated)High BP & low heart rate
86. SI unit of pressure is -
a) mmHg b) cmHg
c) Pascald) Torr
87.Gap junctions-
a)Are absent in cardiac muscles b)Are absent in smooth musclesc)Are present in cardiac muscles to transmit impulse
from one to another myocyted)Are present in cardiac muscles but no role
88. Carbonic anhydrase activity found inallexcept-a) Brain
b) Kidney
c)RBC
d) Plasma
89. Half-life of albumin is -
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a) 36-48 hours b)3-5 days
c) 5-10 daysd)20 days
90. During standing, In apex of lung -
a) Blood flow is high
b)Ventilation is highc) V/Q is high
d)V/Q is low
91. Ionic receptors are all except -
a) NMDA b)Kainatec) mGluR
d)AMPA
92.Maximum voluntary ventilation is -a) 25 L/min
b)50 L/minc) 100 L/mind)150 L/min
93.High anion gap metabolic acidosis is seen in -a) Diarrhea
b)RTA
c) Diabetes
d)None
94. What is the effect of moderate exercise on cerebral
blood flow?
a) Does not change b) Increases
c) Decreasesd) Initially decreases then increases
95. Hyperinflation of lungs is prevented by-
a) Hering Breuer reflex b) Irritation reflexc) Cushing reflex
d) Bainbridge reflex
96. Kluver-bucy syndrome is due to the lesion in which
of the following structure -a) Amygdala
b) Hippocampus
c) Hypothalamus
d) Temporal lobe
97. Which of the following plant components is notfermented by gastrointestinal microorganisms –
a) Lignin b) Cellulosec) Hemicellulose
d) Pectin
98. Direct fick method of measuring cardiac outputrequires estimation of?
a) O2 content of arterial blood
b) O2 content of venous bloodc) O2 consumption per unit time
d) All of the above
99. Swan Ganz Catheter is used to measure -
a) Mean arterial pressure
b) Cardiac output
c) Blood volumed) Pulmonary capillary wedge pressure
100. Ruffini end organ is associated with sensation of?a) Pressure
b) Coldc) Vibrationd) Position sense
101. ‘Patch-clamp’ is used for -
a) To record facilitated diffusion b) To record flow in voltage gated channelc) To record osmotic pressure around semipermeable
membrane
d) To record RMP
102. Mean cerebral blood flow is -a) 1500 ml/min
b) 2000 ml/min
c) 750 ml/min
d) 250 ml/min
103. Residual volume is the volume of air in lung after-
a) Maximal inspiration b) Maximal expiration
c) Normal inspiration
d) Normal expiration
104. What is seen in withdrawal reflex -
a) Extension
b) Flexionc) Extension followed by flexiond) None of the above
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105.Which of the following has same concentration in
CSF and plasma -a) Ca++
b)HC03-
c) Glucose
d)Cl-
106. Juxtaglomerular apparatus contains all except -
a)Lacis cells
b)Macula densac)JG cells
d)Glomerular mesangial cells
107.All are components of bile, except -
a)Bile salts
b)Bile pigment
c)Stercobilinogend)Bilirubin
108. Boyle’s Law states that -a) P/T = constant
b)PV = constantc)PV = nRTd)V/T = constant
109. Melatonin is secreted from which cells of pineal
gland -a) Glial cells
b) Pinealocytes
c) Oncocytes
d) Zymogen cells
110. All are secreted in zymogen form except -a) Pepsin
b) Trypsin
c) Lipase
d) Colipase
111. Renal blood flow is -
a) 1-1-5 L/min b) 1 -5-2 L/min
c) 2-2-5 L/min
d) 2-5-3 L/min
112. Significance of absence of loss of asymmetric tonic
neck reflex in 9 months -
a) Decreased muscle tone b) Increased muscle tonec) Normal phenomenon
d) None of the above
113. Which hormone acts on JAK-STAT kinase receptor?a) TSH
b) Thyroxine
c) GH
d) FSH
114. Fetal hemoglobin contains -
a) alpha2, beta2 b) alpha2, delta2
c) alpha2,gamma2d) None
115. Plasma volume is measured by -
a) Inulin
b) Evans bluec) Mannitol
d) D20
116.In comparison to cortical nephron juxtamedullary
nephron -a)More in numbers
b)Has long loop of Henle
c)Glomerulus is located superficially in cortex
d)Their efferent arteriole has no connection with vasa-
recta
117.Normal sperm count is -
a)20-40 million/ml
b)40-60 million/mlc)60-80 million/ml
d)90-110 million/ml
118. Brodman’s area number for somatosensory area-
a)4 & 6
b)1, 2, 3c)5 & 7d)16 & 18
119. Brodman’s area number for motor area -
a)4 & 6
b)1, 2, 3c)5 & 7d)16 & 18
120. In proximal tubule, HC03 is absorbed with the helpof -a)Na+-Clcotransporter
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b)Na+-K+-2C1 cotransporterc)Na+-H+ exchanger
d)Na+-K+ exchanger
121. Which hormone stimulates respiration -
a) Estrogen
b)Progesterone
c) Corticosteroidsd)Prolactin
122. Which part shows prepotential followed by action potential ?
a)Ventricles b)Papillary musclesc)Purkinje fibres
d)Chordae tendini
123. Fiiteration barriers has pores, which have sizeabout-
a) 1 -2 nm b) 4-6 nmc) 8-10 nm
d) 10-12nm
124. Righting reflex is a –
a) Stretch reflex
b) Spinal reflex
c) Vestibular reflexd) None of the above
125. All of the following GIT hormones belong to
secretin family except -a) Secretin
b)Glucagonc) CCKd)VIP
126. Which receptor get stimulated in moderate cold?a) CMR-1
b)VR1
c) VRL-1d)VR2
127. Most common type of calcium channels of skeletalmuscles are -a) T type
b)L type
c) R typed)N type
128. Which hormone increases with age -a) GH
b)Prolactinc) Parathormoned)Insulin
129. Na+K+2Cl- co-transporter contains -
a)5 transmembrane spanning domain b)7 transmembrane spanning domain
c)9 transmembrane spanning domain
d)12 transmembrane spanning domain
130. The following is the unit for prolactin level of 20 in blood -a) mg/ml
b) ng/ml
c) mg/L
d) ng/L
131. Post-ganglionic parasympathetic fibers are -a) A alpha
b) A beta
c) A gammad) C
132. Pain receptors are -
a) Meissners corpuscle
b) pacinian corpusclesc) Free nerve endingsd) Merkel disc
133. Human sperm remains fertile for how many hoursin a female genital tract -
a) 6-8 hrs b)12-24 hrsc) 24-48 hrs
d)72-96 hrs
134. The interval between ovulation and LH surge is -a) 12-24 hours
b)24-48 hoursc) 48-72 hours
d)72-96 hours
135. Von wilebrands factor is synthesized by all except-a) Endothelial cells
b)Megakaryoctyes
c) Hepatocytesd)None
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136. Deficiency of enzyme aromatase leads todeficiencyof which hormone -
a) Cortisol b)Estrogenc) Testosterone
d) Mineralocorticoids
137. Calcium ions in skeletal muscles area) Transverse tubule
b) Longitudinal part
c) Terminal cisternd) Sarcolemma
138. Skeletal muscle use thea) GLUT-1 transporter
b) GLUT-2 transporter
c) GLUT-3 transporter
d) GLUT-4 transporter
139. Submucosal plexus of GIT -a) Myenteric plexus
b) Auerbach’s plexus
c) Meissner’s plexusd) Extrinsic nerves
140. By spirometry, one can measure -
a) Residual volume
b) FRCc) TLCd) Tidal volume
141. Planning and programming of movements is thefunction of which part of cerebellum -
a) Vestibulocerebellum b) Flocculonodular lobec) Spinocerebellum
d) Neocerebellum
142. Which of the following nucleus is not involved inPapez circuit -
a) Hippocampus b) Cingulate gyrus
c) Caudate nucleus
d) Thalamic nuclei
143.Fertilization takes place in which part of fallopian
tube -
a) Interstitial part b) Ampullac) Isthmus
d)Fimbria
144.Closing volume is the volume of lung -a)Above residual volume in the non-dependent part oflung
b)Above residual volume in dependent part of lung
c)Above tidal volume in non-dependent part of lung
d)Above tidal volume in dependent part of lung
145.Cyanosis is seen in all hypoxia except -
a) Hypoxic hypoxia b)Stagnant hypoxia
c) Anemic hypoxiad)High altitude
146.“Theta waves” are seen in -
a)Stage 1 sleep
b)Stage 2 sleepc)Stage 3 sleep
d)Stage 4 sleep
147.Most accurate for measurement of ECF volume -
a) Deuterium oxide b)Cr-51 labeled RBCc)Inulin
d)Albumin
148.All are seen more in ECF except -a)Na+
b)Cl-
c)Mg++
d)HCO-3
149. EDRFis-a) NO2
b)NO
c) N2O
d) SO2
150. Blood supply of skeletal muscle is -
a) 800-900 ml/min b)1000 ml/min
c) 500-600 ml/min
d)100-200 ml/min
151. GFR is increased by-
a) ANP
b)Vasopressinc) Histamined)Endothelium
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152.Testosterone production is mainly contributed by -
a) Leydig cells b)Sertoli ceilsc) Seminiferous tubules
d) Epididymis
153. Cardiac output is increased by all except -a)Exercise
b)Pregnancy
c)Hot atmosphered)Standing from lying down
154.True about G protein coupled receptors is -a)G proteins bind to hormones on the cell surface
b)All the three subunits alpha, beta and gamma should
bind to each other for G protein to act
c)G proteins act as inhibitory and excitatory because ofdifference in alpha subunit
d)G protein is bound to GTP in resting state
155.Higher center for righting reflex-
a) Pons b)Spinal cordc) Cortex
d)Midbrain
156.Nissel bodies in neurons are -a) Golgi apparatus
b)Endoplasmic reticulum
c)Mitochondria
d)Lysosome
157. Type of nerve fiber most susceptible to localanaesthetic -a)A
b) B
c)Cd) All are equally susceptible
158.ECG changes in hyperkalemia are all except -a)Prolonged PR interval
b)Depressed ST-segment
c)Inverted T waved)Wide QRS
159.Passive transfer of solvent occurs in -
a) Diffusion b) Active transportc) Osmosis
d) Pinocytosis
160.Normal vital capacity in an adult is -a) 1200 ml
b) 2500 ml
c) 3000 ml
d) 4700 ml
161. Nernst potential for K -
a) +90
b) - 90c) + 70
d) – 70
162.Joint position & vibration sense is carried by-
a) A alpha
b) A beta
c) A¥d) B
163. Daily water loss in sweat during normal activities -a) 50 - 100 ml
b) 200 - 400 mlc) 500 -700 mld) 1000 - 1200 ml
164. Following enzymes are found in lysosome, except -
a) Arylsulfatases b) Ribonucleasesc) Glycosidases
d) Lipase
165.Parasympathetic system originates from all of the
following cranial nerves except -a) Oculomotor (III)
b) Facial (VII)
c) Trigeminal (V)
d) Vagus (X)
166.All have significant role in digestion of fat, except-
a) Pancreatic lipase b) Colipase
c) Lingual lipase
d) Bile-salts
167.Stimulus for stretch reflex -
a) Passive stretch
b) Active stretchc) Bothd) None
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168. Lingual lipase is secreted by -
a) Parotid glands b) Ebner’s glandc) Sublingual glands
d) None
169. Resting membrane potential is mainly due to –a) Na+
b) K+
c) Cl-d) Mg++
170. Stimulator of secretin secretion -a) Epinephrine
b) Acid
c) Acetylcholine
d) Fat
171. Which of the following is not stored in cell -a) Insulin
b) Cortisol
c) Thyroxind) Renin
172. Protein connecting Z-lines to M-lines -
a) Kinin
b) Desminc) Titind) Actin
173. Blood tissue barrier in testis is formed by-a) Basal lamina & interstitial cells
b) Adjacent sertoli cells with basal laminac) Basal lamina &spermatogoniad) Basal lamina &leydig cells
174. Afferents to basal ganglia rests in-a) Striatum
b) Globus pallidus
c) Striatum nigrad) Subthalamus nuclei
175. Stretch impulse is carried by-a) la
b) lb
c) B
d) C
176. Least reabsorption out of -
a) Glucose b) Urea
c) Na+d) HC03
177. Short term BP regulation exerted through kidney by
-
a) ADH b) ANP
c) Epinephrine
d) Aldosterone
178. All should be features of a substance to measureGFR, except -a) Freely reabsorbed
b) Freely filtered across glomerulus membrane
c) Not secreted by kidney
d) None
179. Most important extracellular buffer -a) Phosphate
b) Plasma proteins
c) Ammoniad) Bicarbonates
180. Peripheral cell membrane proteins are -
a) Pump
b) Channelc) Adhesion moleculesd) Enzyme receptors
181. True about breathing are all except -a) Normal breathing occurs when transpulmonary
pressure is 8-5 cm H20 b) Compliance depends only on surfactantc) Expiration during quite breathing is passive
d) Inspiration is an active process
182. Growth hormone secretion, true is -a) Continuous secretion
b) Stimulated by somatostatinc) Stimulated by cortisol
d) Stimulated by exercise
183. Integration center of tonic labyrinthine reflex is-a) Spinal cord
b)Medulla
c) Midbraind)Cerebral cortex
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184. Iron is predominantly absorbed in -a) Stomach
b)Duodenumc) Colond)Ileum
185. IL-1 is secreted from which cells -
a)Mast cells b)Eosinophils
c)Macrophages
d)Neutrophils
186. Not controlled directly by ACTH-a) Glucocorticoids
b) Aldosterone
c) DHEA
d) Epinephrine
187. Carbon monoxide poisoning is a type of -
a) Anemic hypoxia b) Histotoxic hypoxiac) Hypoxic hypoxia
d) Stagnant hypoxia
188. Blood supply of liver in ml/min. is –
a) 500
b) 1500
c) 3000d) 5000
189. Smooth muscle cell membrane is –
a) Sarcoplasm b) Sarcolemma
c) Sarcomered) Sarcoplasmic reticulum
190. Normal velocity of blood is -
a) 40-50 cm/sec. b) 100-150 cm/sec.c) 200-250 cm/sec.
d) 250-300 cm/sec.
191. The normal oxyhemoglobin saturation curve for
hemoglobin A is denoted by N in the diagram below. Which of the oxyhemoglobin saturationcurves shown was obtained from fetal blood?
a. a b. bc. c
d. d
192. At which point on the action potential shown in thediagram below is the membrane closest to the Na+
equilibrium potential?
a. Point A
b. Point Bc. Point Cd.
Point D
193. The diagram below illustrates the change in
intrapleural pressure during a single tidal breath. At
which point on the diagram is inspiratory airflowthe greatest?
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a.
A
b. Bc. C
d. D
194. Calculate interstitial fluid volume in a 60 kg mana.
3 L
b. 9 L
c.
12 Ld. 24 L
195. In His bundle electrogram , the sum of intervals PA,AH and HV equals
a. PR interval b. ST interval
c. QT interval
d. ST interval196. ECG is predominantly negative in
a. aVL
b. aVF
c. aVR
d.
VL197.
Interneurons are not functioning in__reflex
a. Swallowing b. Stretch
c. Flexion
d. Visual198. Increased gamma efferent discharge is seen in all
except
a. Anxiety
b. Stimulation of skinc. Jendrassik’s maneuver
d. Rapid shallow breathing
199.
% of unmyelinated pyramidal fibersa. 20
b. 35
c. 50d.
75200.
Most potent respiratory stimulant is
a. CO2
b. O2c. H+
d. K+