Question 1

Neurotransmitters

Accepted Answer

A)  are released by the postsynaptic neuron 
B)  are distributed randomly throughout the nervous system 
C)  can diffuse back into the synaptic knob 
D)  all of the above 
A)  are released by the postsynaptic neuron 
B)  are distributed randomly throughout the nervous system 
C)  can diffuse back into the synaptic knob 
D)  all of the above

Question 2

When a neuron depolarizes,the interior becomes more positive.

Accepted Answer

A) True 
 B)False

Question 3

Nodes of Ranvier are indentations between Schwann cells.

Accepted Answer

A) True 
 B)False

Question 4

The hypothalamus is important in regulation of body temperature.

Accepted Answer

A) True 
 B)False

Question 5

A type of drug called a monoamine oxidase inhibitor is an antidepressant that inhibits the enzyme that deactivates catecholamines.What theory explains how this drug functions?

Accepted Answer

Monoamine oxidase inhibitors (MAOIs) fun

Question 6

The peripheral nervous system consists of the 12 pairs of cranial nerves and 31 pairs of spinal nerves and all of their branches.

Accepted Answer

A) True 
 B)False

Question 7

Match each of the terms with its correct definition or description.
-Connects sensory and motor neurons in a reflex arc

Accepted Answer

A) Dendrite 
B) Axon 
C) Astrocyte 
D) Microglia 
E) Schwann cell
F)Interneuron
G)Synaptic Knob
H)Serotonin
I)Synaptic cleft
J)Enkephalins
K)Oligodendrocyte
L)Afferent neuron
M)Saltatory conduction
N)Efferent neurons
O)Cell body
P)Neurotransmitter
Q)Nodes of Ranvier 
A) Dendrite 
B) Axon 
C) Astrocyte 
D) Microglia 
E) Schwann cell
F)Interneuron
G)Synaptic Knob
H)Serotonin
I)Synaptic cleft
J)Enkephalins
K)Oligodendrocyte
L)Afferent neuron
M)Saltatory conduction
N)Efferent neurons
O)Cell body
P)Neurotransmitter
Q)Nodes of Ranvier

Question 8

The types of neurons that carry impulses away from the brain and spinal cord are called

Accepted Answer

A)  motor neurons 
B)  sensory neurons 
C)  efferent neurons 
D)  both a and c above 
A)  motor neurons 
B)  sensory neurons 
C)  efferent neurons 
D)  both a and c above

Question 9

Interneurons connect

Accepted Answer

A)  efferent neurons to motor neurons 
B)  afferent neurons to sensory neurons 
C)  central neurons to afferent neurons 
D)  none of the above 
A)  efferent neurons to motor neurons 
B)  afferent neurons to sensory neurons 
C)  central neurons to afferent neurons 
D)  none of the above

Question 10

The right and left sides of the cerebrum are connected by the

Accepted Answer

A)  corpus callosum 
B)  sulcus 
C)  gyrus 
D)  basal ganglia 
A)  corpus callosum 
B)  sulcus 
C)  gyrus 
D)  basal ganglia

Question 11

The middle layer of meninges is called the arachnoid mater.

Accepted Answer

A) True 
 B)False

Question 12

Which of the following is not considered part of the nervous system as a whole?

Accepted Answer

A)  The brain 
B)  The spinal cord 
C)  The eyes 
D)  All of the above are considered part of the nervous system as a whole 
A)  The brain 
B)  The spinal cord 
C)  The eyes 
D)  All of the above are considered part of the nervous system as a whole

Question 13

Islands of gray matter in the white matter of the cerebrum are called basal ganglia.

Accepted Answer

A) True 
 B)False

Question 14

The axon of an afferent neuron could synapse with

Accepted Answer

A)  a sense organ 
B)  a muscle cell 
C)  an interneuron 
D)  a gland 
A)  a sense organ 
B)  a muscle cell 
C)  an interneuron 
D)  a gland

Question 15

The difference between a three- and a two-neuron reflex is that a three-neuron reflex

Accepted Answer

A)  passes through the dorsal root ganglion 
B)  includes an efferent neuron 
C)  includes an interneuron 
D)  includes an afferent neuron 
A)  passes through the dorsal root ganglion 
B)  includes an efferent neuron 
C)  includes an interneuron 
D)  includes an afferent neuron

Question 16

Match each of the terms with its correct definition or description.
-Carries a nerve impulse across a synapse

Accepted Answer

A) Dendrite 
B) Axon 
C) Astrocyte 
D) Microglia 
E) Schwann cell
F)Interneuron
G)Synaptic Knob
H)Serotonin
I)Synaptic cleft
J)Enkephalins
K)Oligodendrocyte
L)Afferent neuron
M)Saltatory conduction
N)Efferent neurons
O)Cell body
P)Neurotransmitter
Q)Nodes of Ranvier 
A) Dendrite 
B) Axon 
C) Astrocyte 
D) Microglia 
E) Schwann cell
F)Interneuron
G)Synaptic Knob
H)Serotonin
I)Synaptic cleft
J)Enkephalins
K)Oligodendrocyte
L)Afferent neuron
M)Saltatory conduction
N)Efferent neurons
O)Cell body
P)Neurotransmitter
Q)Nodes of Ranvier

Question 17

Which nervous system makes up part of the autonomic nervous system?

Accepted Answer

A)  Parasympathetic nervous system 
B)  Sympathetic nervous system 
C)  Both parasympathetic and sympathetic nervous systems 
A)  Parasympathetic nervous system 
B)  Sympathetic nervous system 
C)  Both parasympathetic and sympathetic nervous systems

Question 18

Match each of the terms with its correct definition or description.
-Cells that function in the blood-brain barrier

Accepted Answer

A) Dendrite 
B) Axon 
C) Astrocyte 
D) Microglia 
E) Schwann cell
F)Interneuron
G)Synaptic Knob
H)Serotonin
I)Synaptic cleft
J)Enkephalins
K)Oligodendrocyte
L)Afferent neuron
M)Saltatory conduction
N)Efferent neurons
O)Cell body
P)Neurotransmitter
Q)Nodes of Ranvier 
A) Dendrite 
B) Axon 
C) Astrocyte 
D) Microglia 
E) Schwann cell
F)Interneuron
G)Synaptic Knob
H)Serotonin
I)Synaptic cleft
J)Enkephalins
K)Oligodendrocyte
L)Afferent neuron
M)Saltatory conduction
N)Efferent neurons
O)Cell body
P)Neurotransmitter
Q)Nodes of Ranvier

Question 19

Myelinated fibers have dendrites of the neuron surrounded by Schwann cells.

Accepted Answer

A) True 
 B)False

Question 20

Match each of the terms with its definition or description.
-Outermost and toughest of the meninges

Accepted Answer

A) Pia mater 
B) Dura mater 
C) Cranial nerves 
D) Spinal nerves 
E) Arachnoid mater
F)Dermatome
G)Parasympathetic nervous system
H)Sympathetic nervous system
I)Acetylcholine
J)Norepinephrine 
A) Pia mater 
B) Dura mater 
C) Cranial nerves 
D) Spinal nerves 
E) Arachnoid mater
F)Dermatome
G)Parasympathetic nervous system
H)Sympathetic nervous system
I)Acetylcholine
J)Norepinephrine

Exam 9: Nervous System

Neurotransmitters

When a neuron depolarizes,the interior becomes more positive.

Nodes of Ranvier are indentations between Schwann cells.

The hypothalamus is important in regulation of body temperature.

A type of drug called a monoamine oxidase inhibitor is an antidepressant that inhibits the enzyme that deactivates catecholamines.What theory explains how this drug functions?

The peripheral nervous system consists of the 12 pairs of cranial nerves and 31 pairs of spinal nerves and all of their branches.

Match each of the terms with its correct definition or description. -Connects sensory and motor neurons in a reflex arc

The types of neurons that carry impulses away from the brain and spinal cord are called

Interneurons connect

The right and left sides of the cerebrum are connected by the

The middle layer of meninges is called the arachnoid mater.

Which of the following is not considered part of the nervous system as a whole?

Islands of gray matter in the white matter of the cerebrum are called basal ganglia.

The axon of an afferent neuron could synapse with

The difference between a three- and a two-neuron reflex is that a three-neuron reflex

Match each of the terms with its correct definition or description. -Carries a nerve impulse across a synapse

Which nervous system makes up part of the autonomic nervous system?

Match each of the terms with its correct definition or description. -Cells that function in the blood-brain barrier

Myelinated fibers have dendrites of the neuron surrounded by Schwann cells.

Match each of the terms with its definition or description. -Outermost and toughest of the meninges

Introduction to the Body

Chemistry of Life

Cells

Tissues

Organ Systems

Skin and Membranes

Skeletal System

Muscular System

Senses

Endocrine System

Blood

Cardiovascular System

Lymphatic System and Immunity

Respiratory System

Digestive System

Nutrition and Metabolism

Urinary System

Fluid and Electrolyte Balance

Acid-Base Balance

Reproductive Systems

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