Question 1

Terminal branches of an axon are anchored close to the ends of the dendrites of another neuron at regions called ___&#8203;&#10;A) &#8203;sarcolemmas&#10;B) &#8203;neurotransmitters&#10;C) &#8203;synapses&#10;D) &#8203;hillocks

Accepted Answer

C

Question 2

The first nerve cell receiving an impulse directly from a receptor is called a motor or efferent neuron.&#8203;

Accepted Answer

False

Question 3

&#8203;Neurons that convey information from the brain and spinal cord to muscles and glands are called ____ neurons.&#10;A) &#8203;efferent&#10;B) &#8203;afferent&#10;C) &#8203;interneurons&#10;D) &#8203;cranial

Accepted Answer

A

Question 4

&#8203;The ____ system is the body's control center and communication network.&#10;A) &#8203;muscular&#10;B) &#8203;digestive&#10;C) &#8203;nervous&#10;D) &#8203;cardiovascular

Accepted Answer

The answer of &#8203;The ____ system is the body's control...

Question 5

&#8203;The parasympathetic division of the autonomic nervous system uses the neurotransmitter ____ at nerve endings.&#10;A) &#8203;dopamine&#10;B) &#8203;epinephrine&#10;C) &#8203;norepinephrine&#10;D) &#8203;acetylcholine

Accepted Answer

The answer of &#8203;The parasympathetic division of the autonomic nervous...

Question 6

&#8203;A bundle of nerve cells or fibers is called a ____.&#10;A) &#8203;fascicle&#10;B) &#8203;nerve&#10;C) &#8203;neuroglia&#10;D) &#8203;neuron

Accepted Answer

The answer of &#8203;A bundle of nerve cells or fibers...

Question 7

&#8203;Myelin sheaths surrounding nerve fibers in the peripheral nervous system are produced by ____.&#10;A) &#8203;Schwann cells&#10;B) &#8203;microglia&#10;C) &#8203;satellite cells&#10;D) &#8203;astrocytes

Accepted Answer

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Question 8

Over 60% of all brain cells are neurons.&#8203;

Accepted Answer

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Question 9

The ____ nervous system consists of the brain and spinal cord.&#8203;&#10;A) &#8203;peripheral&#10;B) &#8203;central&#10;C) &#8203;autonomic&#10;D) &#8203;somatic

Accepted Answer

The answer of The ____ nervous system consists of the...

Question 10

&#8203;Neurons that have several dendrites and one axon are called ____ neurons.&#10;A) &#8203;bipolar&#10;B) &#8203;unipolar&#10;C) &#8203;multipolar&#10;D) &#8203;uniaxial

Accepted Answer

The answer of &#8203;Neurons that have several dendrites and one...

Question 11

&#8203;Sodium-potassium pumps restore the resting membrane potential following an action potential, a process known as ____.&#10;A) &#8203;repolarization&#10;B) &#8203;depolarization&#10;C) &#8203;hyperpolarization&#10;D) &#8203;bipolarization

Accepted Answer

The answer of &#8203;Sodium-potassium pumps restore the resting membrane potential...

Question 12

&#8203;The chemicals that transmit signals across the synapse are called ____.&#10;A) &#8203;sarcolemmas&#10;B) &#8203;neurotransmitters&#10;C) &#8203;synapses&#10;D) &#8203;receptors

Accepted Answer

The answer of &#8203;The chemicals that transmit signals across the...

Question 13

Cells that line the fluid-filled ventricles of the brain, some of which produce cerebrospinal fluid, are called ____.&#8203;&#10;A) &#8203;oligodendrocytes&#10;B) &#8203;astrocytes&#10;C) &#8203;microglia&#10;D) &#8203;ependymal cells

Accepted Answer

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Question 14

The action potential moves in both directions down a nerve fiber.&#8203;

Accepted Answer

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Question 15

The parasympathetic division of the autonomic nervous system stimulates the body's vegetative activities such as digestion, urination, and defecation.&#8203;

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The answer of The parasympathetic division of the autonomic nervous...

Question 16

&#8203;The final nerve cell that receives the impulse and brings about the reaction to the original stimulus is called the motor or ____ neuron.&#10;A) &#8203;afferent&#10;B) &#8203;inter&#10;C) &#8203;bipolar&#10;D) &#8203;efferent

Accepted Answer

The answer of &#8203;The final nerve cell that receives the...

Question 17

&#8203;Star-shaped cells that form a supporting network in the brain and spinal cord are called ____.&#10;A) &#8203;oligodendrocytes&#10;B) &#8203;astrocytes&#10;C) &#8203;microglia&#10;D) &#8203;ependymal cells

Accepted Answer

The answer of &#8203;Star-shaped cells that form a supporting network...

Question 18

An unmyelinated nerve fiber conducts an impulse over its entire length with a slower rate of conduction than that of a myelinated fiber.&#8203;

Accepted Answer

The answer of An unmyelinated nerve fiber conducts an impulse...

Question 19

&#8203;Most synapses in our bodies use the ____ neurotransmitter.&#10;A) &#8203;acetylcholine&#10;B) &#8203;dopamine&#10;C) &#8203;epinephrine&#10;D) &#8203;norepinephrine

Accepted Answer

The answer of &#8203;Most synapses in our bodies use the...

Question 20

&#8203;Most sensory neurons are ____ neurons.&#10;A) &#8203;multipolar&#10;B) &#8203;interneurons&#10;C) &#8203;unipolar&#10;D) &#8203;bipolar

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The answer of &#8203;Most sensory neurons are ____ neurons.&#10;A) &#8203;multipolar&#10;B)...

Question 21

&#8203;Ascending tracts of the spinal cord carry ____ information from body parts to the brain.&#10;A) &#8203;interneural&#10;B) &#8203;motor&#10;C) &#8203;efferent&#10;D) &#8203;sensory

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Question 22

Gaps in the myelin sheath are called the ____________________.&#8203;

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Question 23

The spinal cord is a continuation of the ____.&#8203;&#10;A) &#8203;medulla oblongata&#10;B) &#8203;thalamus&#10;C) &#8203;hypothalamus&#10;D) &#8203;pons

Accepted Answer

The answer of The spinal cord is a continuation of...

Question 24

Nerve cell bodies found outside the central nervous system are called ____.&#8203;&#10;A) &#8203;tracts&#10;B) &#8203;nerves&#10;C) &#8203;neurons&#10;D) &#8203;ganglia

Accepted Answer

The answer of Nerve cell bodies found outside the central...

Question 25

&#8203;There are ____ pairs of cervical nerves.&#10;A) &#8203;10&#10;B) &#8203;8&#10;C) &#8203;12&#10;D) &#8203;6

Accepted Answer

The answer of &#8203;There are ____ pairs of cervical nerves.&#10;A)...

Question 26

&#8203;All the spinal nerves are ____ nerves.&#10;A) &#8203;sensory&#10;B) &#8203;motor&#10;C) &#8203;mixed&#10;D) &#8203;efferent

Accepted Answer

The answer of &#8203;All the spinal nerves are ____ nerves.&#10;A)...

Question 27

&#8203;The smallest and simplest pathway able to receive a stimulus and produce a response is the ____________________.

Accepted Answer

The answer of &#8203;The smallest and simplest pathway able to...

Question 28

Neurons that convey information from receptors in the periphery of the body to the brain and spinal cord are known as ____________________ neurons.&#8203;

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The answer of Neurons that convey information from receptors in...

Question 29

&#8203;Nerve cells known as ____ transmit nerve impulses in the form of electrochemical changes.&#10;A) &#8203;neurons&#10;B) &#8203;microglia&#10;C) &#8203;oligodendrocytes&#10;D) &#8203;astrocytes

Accepted Answer

The answer of &#8203;Nerve cells known as ____ transmit nerve...

Question 30

&#8203;The outermost spinal meninx is called the ____.&#10;A) &#8203;arachnoid mater&#10;B) &#8203;dura mater&#10;C) &#8203;epimeninges&#10;D) &#8203;pia mater

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Question 31

The ____________________ of a Schwann cell contains the cell's nucleus and most of its cytoplasm, which remain outside the myelin sheath.&#8203;

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Question 32

&#8203;The ____ act like the male sex hormones.&#10;A) &#8203;stimulants&#10;B) &#8203;depressants&#10;C) &#8203;anabolic steroids&#10;D) &#8203;hallucinogens

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Question 33

A bundle of fibers located outside the central nervous system is called a(n) ____.&#8203;&#10;A) &#8203;tract&#10;B) &#8203;ganglion&#10;C) &#8203;nerve&#10;D) &#8203;axon

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The answer of A bundle of fibers located outside the...

Question 34

Descending tracts of the central nervous system that conduct impulses down the spinal cord are concerned with ____ functions.&#8203;&#10;A) &#8203;sensory&#10;B) &#8203;motor&#10;C) &#8203;afferent&#10;D) &#8203;interneuron

Accepted Answer

The answer of Descending tracts of the central nervous system...

Question 35

&#8203;Areas of the nervous system known as ____ consist of nerve cells bodies and dendrites.&#10;A) &#8203;white matter&#10;B) &#8203;ganglia&#10;C) &#8203;tracts&#10;D) &#8203;gray matter

Accepted Answer

The answer of &#8203;Areas of the nervous system known as...

Question 36

&#8203;Valium is an example of a(n) ____.&#10;A) &#8203;depressant&#10;B) &#8203;stimulant&#10;C) &#8203;hallucinogen&#10;D) &#8203;anabolic steroid

Accepted Answer

The answer of &#8203;Valium is an example of a(n) ____.&#10;A)...

Question 37

&#8203;The nerve fibers on the nerve cell that receive signals are called ____________________.

Accepted Answer

The answer of &#8203;The nerve fibers on the nerve cell...

Question 38

&#8203;The space that separates the meninges from the vertebrae is called the ____ space.&#10;A) &#8203;subarachnoid&#10;B) &#8203;subdura&#10;C) &#8203;epidural&#10;D) &#8203;submater

Accepted Answer

The answer of &#8203;The space that separates the meninges from...

Question 39

&#8203;The ____ division of the autonomic nervous system stimulates and speeds up certain bodily activities.&#10;A) &#8203;parasympathetic&#10;B) &#8203;sympathetic&#10;C) &#8203;somatic&#10;D) &#8203;central

Accepted Answer

The answer of &#8203;The ____ division of the autonomic nervous...

Question 40

&#8203;A bundle of fibers inside the central nervous system is called a ____.&#10;A) &#8203;ganglion&#10;B) &#8203;tract&#10;C) &#8203;nucleus&#10;D) &#8203;soma

Accepted Answer

The answer of &#8203;A bundle of fibers inside the central...

Question 41

Matching&#10;&#8203;Match the description with the corresponding term.&#10;a.&#8203;astrocytes&#10;b.&#8203;Schwann cells&#10;c.&#8203;acetylcholine&#10;d.&#8203;ventral root&#10;e.&#8203;neuron&#10;f.&#8203;microglia&#10;g.&#8203;white matter&#10;h.&#8203;action potential&#10;i.&#8203;afferent neuron&#10;j.CNS&#10;&#8203;neurotransmitter

Accepted Answer