Chapter 8 — The Nervous System

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Nervous System Divisions/

Neurons and Glia/A&P

Synapses/ Meninges/

Spinal Cord

Brain Structures and

Functions/ Cranial Nerves

Reflex Arc/ Sensory and

Motor Pathways

Autonomic Nervous

System/Aging/ Interactions

FINAL ROUND

Topic 1:

$100 Question

Which type of neuron is rare but occurs in special sense organs?

a. multicolor

b. univocal

c. bipolar

d. pseudounipolar

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ANSWER

Topic 1:

$100 Answer

Which type of neuron is rare but occurs in special sense organs?

a. multicolor

b. univocal

c. bipolar

d. pseudounipolar

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Topic 1:

$200 Question

Which of the following are collections of neuron cell bodies in the interior of the CNS?

a. nuclei

b. ganglia

c. centers

d. higher centers

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ANSWER

Topic 1:

$200 Answer

Which of the following are collections of neuron cell bodies in the interior of the CNS?

a. nuclei

b. ganglia

c. centers

d. higher centers

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Topic 1:

$300 Question

Changes in membrane potential that cannot spread far from the site of stimulation, thus affecting a limited portion of the plasma membrane, are called _________.

a. thresholds

b. action potentials

c. hyperpolarizations

d. graded potentials

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ANSWER

Topic 1:

$300 Answer

Changes in membrane potential that cannot spread far from the site of stimulation, thus affecting a limited portion of the plasma membrane, are called _________.

a. thresholds

b. action potentials

c. hyperpolarizations

d. graded potentials

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Topic 1:

$400 Question

Which of the following occurs along unmyelinated axons at a speed of about one meter per second?

a. nodal propagation

b. continuous propagation

c. hillock-centered propagation

d. saltatory propagation

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ANSWER

Topic 1:

$400 Answer

Which of the following occurs along unmyelinated axons at a speed of about one meter per second?

a. nodal propagation

b. continuous propagation

c. hillock-centered propagation

d. saltatory propagation

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Topic 1:

$500 Question

Bundles of CNS axons that share a common origin, destination, and function are called _______.

a. nerves

b. columns

c. tracts

d. pathways

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ANSWER

Topic 1:

$500 Answer

Bundles of CNS axons that share a common origin, destination, and function are called _______.

a. nerves

b. columns

c. tracts

d. pathways

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Topic 2:

$100 Question

A synaptic knob is as follows:

a. axon hillock of a presynaptic neuron

b. synaptic terminal of a postsynaptic neuron

c. proximal dendritic spine of a motor neuron

d. synaptic terminal of a presynaptic neuron

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ANSWER

Topic 2:

$100 Answer

A synaptic knob is as follows:

a. axon hillock of a presynaptic neuron

b. synaptic terminal of a postsynaptic neuron

c. proximal dendritic spine of a motor neuron

d. synaptic terminal of a presynaptic neuron

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Topic 2:

$200 Question

A mechanism for providing input to a single neuron from multiple sources is called ________.

a. serial processing

b. convergence

c. divergence

d. reverberation

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ANSWER

Topic 2:

$200 Answer

A mechanism for providing input to a single neuron from multiple sources is called ________.

a. serial processing

b. convergence

c. divergence

d. reverberation

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Topic 2:

$300 Question

The second meningeal layer is known as which of the following?

a. pia mater

b. dura mater

c. subdural space

d. arachnoid

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ANSWER

Topic 2:

$300 Answer

The second meningeal layer is known as which of the following?

a. pia mater

b. dura mater

c. subdural space

d. arachnoid

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Topic 2:

$400 Question

Regarding the spinal cord, cell bodies of sensory neurons are found in which of the following?

a. dorsal root ganglia

b. anterior white columns

c. ventral horns

d. dorsal horns

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ANSWER

Topic 2:

$400 Answer

Regarding the spinal cord, cell bodies of sensory neurons are found in which of the following?

a. dorsal root ganglia

b. anterior white columns

c. ventral horns

d. dorsal horns

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Topic 2:

$500 Question

In the spinal cord, visceral motor neurons that control smooth muscle, cardiac muscle, and glands are found in the _________.

a. anterior gray horn

b. lateral white column

c. lateral gray horn

d. posterior gray horn

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ANSWER

Topic 2:

$500 Answer

In the spinal cord, visceral motor neurons that control smooth muscle, cardiac muscle, and glands are found in the _________.

a. anterior gray horn

b. lateral white column

c. lateral gray horn

d. posterior gray horn

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Topic 3:

$100 Question

The network of permeable capillaries that extends into each of the four ventricles and are covered by ependymal cells that secrete CSF are called _________.

a. hypothalamus

b. epithalamus

c. choroid plexus

d. reticular system

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ANSWER

Topic 3:

$100 Answer

The network of permeable capillaries that extends into each of the four ventricles and are covered by ependymal cells that secrete CSF are called _________.

a. hypothalamus

b. epithalamus

c. choroid plexus

d. reticular system

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Topic 3:

$200 Question

The primary sensory cortex is found on the surface of the _________.

a. precentral gyrus

b. postcentral gyrus

c. temporal lobe

d. hippocampus

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ANSWER

Topic 3:

$200 Answer

The primary sensory cortex is found on the surface of the _________.

a. precentral gyrus

b. postcentral gyrus

c. temporal lobe

d. hippocampus

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Topic 3:

$300 Question

Which cranial nerve innervates the lateral rectus muscle of the eye?

a. Abducens Nerve (N VI)

b. Oculomotor Nerve (N III)

c. Optic Nerve (N II)

d. Trochlear Nerve (N IV)

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ANSWER

Topic 3:

$300 Answer

Which cranial nerve innervates the lateral rectus muscle of the eye?

a. Abducens Nerve (N VI)

b. Oculomotor Nerve (N III)

c. Optic Nerve (N II)

d. Trochlear Nerve (N IV)

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Topic 3:

$400 Question

Which cranial nerve is responsible for sensory innervation of the posterior third of the tongue?

a. Vagus Nerve (N X)

b. Facial Nerve (N VII)

c. Glossopharyngeal Nerve (N IX)

d. Hypoglossal Nerve (N XII)

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ANSWER

Topic 3:

$400 Answer

Which cranial nerve is responsible for sensory innervation of the posterior third of the tongue?

a. Vagus Nerve (N X)

b. Facial Nerve (N VII)

c. Glossopharyngeal Nerve (N IX)

d. Hypoglossal Nerve (N XII)

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Topic 3:

$500 Question

Damage to which area results in problems with estimating time relationships between events?

a. prefrontal cortex

b. hippocampus

c. amygdala

d. hypothalamus

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ANSWER

Topic 3:

$500 Answer

Damage to which area results in problems with estimating time relationships between events?

a. prefrontal cortex

b. hippocampus

c. amygdala

d. hypothalamus

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Topic 4:

$100 Question

A plantar reflex is also known as a/an _________.

a. positive Babinski reflex

b. reciprocal inhibition

c. negative Babinski reflex

d. Babinski sign

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ANSWER

Topic 4:

$100 Answer

A plantar reflex is also known as a/an _________.

a. positive Babinski reflex

b. reciprocal inhibition

c. negative Babinski reflex

d. Babinski sign

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Topic 4:

$200 Question

Which of the following is a motor pathway?

a. posterior column pathway

b. lateral pathway

c. spinothalamic pathway

d. spinocerebellar pathway

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ANSWER

Topic 4:

$200 Answer

Which of the following is a motor pathway?

a. posterior column pathway

b. lateral pathway

c. spinothalamic pathway

d. spinocerebellar pathway

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Topic 4:

$300 Question

Sensory neurons are also known as ____ neurons.

a. afferent

b. descending

c. efferent

d. effector

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ANSWER

Topic 4:

$300 Answer

Sensory neurons are also known as ____ neurons.

a. afferent

b. descending

c. efferent

d. effector

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Topic 4:

$400 Question

Axons of which neurons travel from the thalamus to the primary sensory cortex?

a. first-order neurons

b. second-order neurons

c. lower neurons

d. third-order neurons

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ANSWER

Topic 4:

$400 Answer

Axons of which neurons travel from the thalamus to the primary sensory cortex?

a. first-order neurons

b. second-order neurons

c. lower neurons

d. third-order neurons

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Topic 4:

$500 Question

The activities of pyramidal cells in the primary motor cortex are stimulated or inhibited by output from the _________.

a. basal nuclei and cerebellum

b. reticular system

c. thalamus

d. cerebellum and hippocampus

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ANSWER

Topic 4:

$500 Answer

The activities of pyramidal cells in the primary motor cortex are stimulated or inhibited by output from the _________.

a. basal nuclei and cerebellum

b. reticular system

c. thalamus

d. cerebellum and hippocampus

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Topic 5:

$100 Question

At about what age do age-related anatomical and physiological changes in the nervous system begin?

a. 45 years

b. 21 years

c. 30 years

d. 60 years

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ANSWER

Topic 5:

$100 Answer

At about what age do age-related anatomical and physiological changes in the nervous system begin?

a. 45 years

b. 21 years

c. 30 years

d. 60 years

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Topic 5:

$200 Question

Food processing and energy absorption are among functions of which of the following?

a. central nervous system

b. sympathetic nervous system

c. somatic nervous system

d. parasympathetic nervous system

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ANSWER

Topic 5:

$200 Answer

Food processing and energy absorption are among functions of which of the following?

a. central nervous system

b. sympathetic nervous system

c. somatic nervous system

d. parasympathetic nervous system

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Topic 5:

$300 Question

Norepinephrine and epinephrine are released by which of the following?

a. hypothalamus

b. adrenal medulla

c. pituitary gland

d. adrenal cortex

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ANSWER

Topic 5:

$300 Answer

Norepinephrine and epinephrine are released by which of the following?

a. hypothalamus

b. adrenal medulla

c. pituitary gland

d. adrenal cortex

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Topic 5:

$400 Question

Which is true regarding the effects of parasympathetic stimulation?

a. They are more localized and less specific than sympathetic effects.

b. They are less localized and less specific than sympathetic effects.

c. They are less localized and more specific than sympathetic effects.

d. They are more localized and more specific than sympathetic effects.

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ANSWER

Topic 5:

$400 Answer

Which is true regarding the effects of parasympathetic stimulation?

a. They are more localized and less specific than sympathetic effects.

b. They are less localized and less specific than sympathetic effects.

c. They are less localized and more specific than sympathetic effects.

d. They are more localized and more specific than sympathetic effects.

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Topic 5:

$500 Question

Preganglionic parasympathetic fibers leaving the brain travel within which cranial nerves?

a. III, VIII, IX

b. VII, IX, X, XI

c. III, IX, X, XII

d. III, VII, IX, X

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ANSWER

Topic 5:

$500 Answer

Preganglionic parasympathetic fibers leaving the brain travel within which cranial nerves?

a. III, VIII, IX

b. VII, IX, X, XI

c. III, IX, X, XII

d. III, VII, IX, X

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FINAL ROUND Question

Which structure acts as a filter, transmitting to the primary sensory cortex only a small portion of the arriving sensory information?

a. hypothalamus

b. thalamus

c. hippocampus

d. cerebellum

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ANSWER

FINAL ROUND Answer

Which structure acts as a filter, transmitting to the primary sensory cortex only a small portion of the arriving sensory information?

a. hypothalamus

b. thalamus

c. hippocampus

d. cerebellum

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