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Multiple Choice Feedback Quiz
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1

The part of the nervous system responsible for carrying messages away from the brain is the
A)central nervous system.
B)motor nervous system.
C)sensory nervous system.
D)peripheral nervous system.
2

The brain and spinal cord make up the
A)central nervous system.
B)motor nervous system.
C)sensory nervous system.
D)peripheral nervous system.
3

The peripheral nervous system is composed of the
A)brain.
B)spinal cord.
C)cerebellum.
D)sensory nerves.
4

The part of the brain responsible for association and higher thought is the
A)cerebrum.
B)cerebellum.
C)thalamus.
D)hypothalamus.
5

The part of the nervous system that stimulates glands and relays commands to smooth muscles is the
A)cerebrum.
B)voluntary nervous system.
C)autonomic nervous system.
D)peripheral nervous system.
6

About 85&037; of the brain is made up of the
A)cerebrum.
B)cerebellum.
C)thalamus and hypothalamus.
D)medulla.
7

The "thinking and feeling" part of the brain is the
A)cerebrum.
B)cerebellum.
C)thalamus and hypothalamus.
D)medulla.
8

The major site of sensory processing in the brain is the
A)cerebrum.
B)cerebellum.
C)thalamus.
D)medulla.
9

Deep-seated drives and emotions are controlled by the limbic system, which is made up of the
A)hippocampus.
B)amygdala.
C)hypothalamus.
D)all of the above
10

The part of the brain that controls breathing, swallowing, and heartbeat is the
A)cerebral cortex.
B)cerebellum.
C)brain stem.
D)hypothalamus.
11

The "fight-or-flight" reaction is controlled by the
A)parasympathetic nervous system.
B)sympathetic nervous system.
C)peripheral nervous system.
D)central nervous system.
12

What is the function of baroreceptors?
A)They control blood pressure.
B)They control muscle contraction.
C)Baroreceptors are interoceptors.
D)a and c are correct.
13

The brain is able to determine its vertical position through the
A)semicircular canals.
B)otolith sensory receptors.
C)baroreceptors.
D)stretch receptors.
14

Receptors on the tongue can sense all of the following except
A)sweet
B)sour
C)bitter
D)smell
15

The generation of a nerve impulse in the eye is initiated when a photon causes a change in the shape of
A)cis-retinal.
B)trans-retinal.
C)opsin.
D)rhodopsin.
16

The motor nervous system is entirely controlled by conscious thought.
A)true
B)false
17

The gray color of the cerebral cortex is due to the decreased number of blood vessels located in this region of the brain.
A)true
B)false
18

In general, the left brain is associated with language, speech, and mathematical ability.
A)true
B)false
19

A reflex action is rapid because the nerve impulse only travels as far as the spinal cord before sending a motor response.
A)true
B)false
20

A neuron at rest builds up a positive charge due to the movement of sodium ions to the outside of the cell.
A)true
B)false
21

The actual "message" sent along a neuron is an electrical current generated by potassium ions rushing into the neuron.
A)true
B)false
22

Neurotransmitters are chemical substances that maintain the resting potential of neurons.
A)true
B)false
23

Prozac, an antidepressant, works by acting as a neuromodulator for the neurotransmitter serotonin.
A)true
B)false
24

Drug addiction to cocaine is the result of a decrease in the number of receptors in the synapse of nerve cells.
A)true
B)false
25

In the retina, the rods are the receptors that sense color.
A)true
B)false





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