Question 1

Ganglia represent

Accepted Answer

A)  groups of axons. 
B)  groups of dendrites. 
C)  groups of neuron cell bodies. 
D)  groups of synapses. 
A)  groups of axons. 
B)  groups of dendrites. 
C)  groups of neuron cell bodies. 
D)  groups of synapses. C

Question 2

White matter represents

Accepted Answer

A)  aggregations of neuron cell bodies in the brain. 
B)  aggregations of neuron cell bodies in the spinal cord. 
C)  myelinated axons traveling together in the CNS. 
D)  dendrites traveling together in the ANS. 
A)  aggregations of neuron cell bodies in the brain. 
B)  aggregations of neuron cell bodies in the spinal cord. 
C)  myelinated axons traveling together in the CNS. 
D)  dendrites traveling together in the ANS. C

Question 3

This neuronal region transmits electrical impulses away from the cell body.

Accepted Answer

A)  synapse 
B)  axon terminal 
C)  axon 
D)  cell body 
E)  dendrite 
A)  synapse 
B)  axon terminal 
C)  axon 
D)  cell body 
E)  dendrite C

Question 4

These regions of a neuron are also referred to as terminal boutons.

Accepted Answer

A)  synapse 
B)  axon terminal 
C)  axon 
D)  cell body 
E)  dendrite 
A)  synapse 
B)  axon terminal 
C)  axon 
D)  cell body 
E)  dendrite

Question 5

This region of a neuron contains chromatophilic substance or Nissl bodies.

Accepted Answer

A)  synapse 
B)  axon terminal 
C)  axon 
D)  cell body 
E)  dendrite 
A)  synapse 
B)  axon terminal 
C)  axon 
D)  cell body 
E)  dendrite

Question 6

These regions of a neuron are characterized by numerous, short cytoplasmic extensions and are often referred to as receiving regions.

Accepted Answer

A)  synapse 
B)  axon terminal 
C)  axon 
D)  cell body 
E)  dendrite 
A)  synapse 
B)  axon terminal 
C)  axon 
D)  cell body 
E)  dendrite

Question 7

Name four characteristics that distinguish neuroglial cells from neurons.

Accepted Answer

Glial cells are smaller, they

Question 8

Microglia are ciliated to help circulate cerebrospinal fluid (CSF).

Accepted Answer

A) True 
 B)False

Question 9

Which of the following is the correct path an impulse takes across a synapse?

Accepted Answer

A)  axon of postsynaptic neuron, dendrite of presynaptic neuron, synaptic cleft 
B)  dendrite of presynaptic neuron, synaptic cleft, axon of postsynaptic neuron 
C)  axon of presynaptic neuron, synaptic cleft, dendrite of postsynaptic neuron 
D)  synaptic cleft, dendrite of postsynaptic neuron, axon of presynaptic neuron 
A)  axon of postsynaptic neuron, dendrite of presynaptic neuron, synaptic cleft 
B)  dendrite of presynaptic neuron, synaptic cleft, axon of postsynaptic neuron 
C)  axon of presynaptic neuron, synaptic cleft, dendrite of postsynaptic neuron 
D)  synaptic cleft, dendrite of postsynaptic neuron, axon of presynaptic neuron

Question 10

Which of the following statements about neurotransmitters is False?

Accepted Answer

A)  They alter the permeability of the postsynaptic cell membrane. 
B)  They are waves of positive charges that travel down axons. 
C)  They are released from synaptic vesicles. 
D)  They diffuse across the synaptic cleft. 
A)  They alter the permeability of the postsynaptic cell membrane. 
B)  They are waves of positive charges that travel down axons. 
C)  They are released from synaptic vesicles. 
D)  They diffuse across the synaptic cleft.

Question 11

________ form the myelin sheaths in the brain and spinal cord.

Accepted Answer

The answer of ________ form the myelin sheaths in the...

Question 12

Figure 12.2
Use the diagrams above to answer the following questions.
-Identify which letter represents the most abundant category of glial cells in the CNS.

Accepted Answer

A)  A 
B)  B 
C)  C 
D)  D 
E)  E 
A)  A 
B)  B 
C)  C 
D)  D 
E)  E

Question 13

Nearly all motor neurons are of this type, based on the classification of the type and number of processes.

Accepted Answer

The answer of Nearly all motor neurons are of this...

Question 14

Figure 12.1
Use the diagram pictured above to answer the following questions.
-Identify the letter that indicates the gaps between Schwann cells that are known as myelin sheath gaps (nodes of Ranvier).

Accepted Answer

A)  A 
B)  B 
C)  C 
D)  D 
E)  E 
A)  A 
B)  B 
C)  C 
D)  D 
E)  E

Question 15

The simplest of all reflexes is the ________ reflex.

Accepted Answer

The answer of The simplest of all reflexes is the...

Question 16

In this part of a neuron, neurofilaments, actin microfilaments, and microtubules are particularly abundant, providing structural support and a transport network.

Accepted Answer

A)  synapse 
B)  axon terminal 
C)  axon 
D)  cell body 
E)  dendrite 
A)  synapse 
B)  axon terminal 
C)  axon 
D)  cell body 
E)  dendrite

Question 17

Most neurons in the body are multipolar neurons.

Accepted Answer

A) True 
 B)False

Question 18

In an axodendritic synapse, the region of the postsynaptic neuron that binds the released neurotransmitter is the ________.

Accepted Answer

A)  synapse 
B)  axon terminal 
C)  axon 
D)  cell body 
E)  dendrite 
A)  synapse 
B)  axon terminal 
C)  axon 
D)  cell body 
E)  dendrite

Question 19

Which of the following statements about an axon is False?

Accepted Answer

A)  It is also referred to as a nerve fiber. 
B)  It has branches. 
C)  It carries nerve impulses toward the cell body. 
D)  It has a uniform diameter. 
A)  It is also referred to as a nerve fiber. 
B)  It has branches. 
C)  It carries nerve impulses toward the cell body. 
D)  It has a uniform diameter.

Question 20

An axosomatic synapse occurs between the axon terminals of one neuron and the ________ of a proximal neuron.

Accepted Answer

A)  synapse 
B)  axon terminal 
C)  axon 
D)  cell body 
E)  dendrite 
A)  synapse 
B)  axon terminal 
C)  axon 
D)  cell body 
E)  dendrite

Exam 12: Fundamentals of the Nervous System and Nervous Tissue

Ganglia represent

White matter represents

This neuronal region transmits electrical impulses away from the cell body.

These regions of a neuron are also referred to as terminal boutons.

This region of a neuron contains chromatophilic substance or Nissl bodies.

These regions of a neuron are characterized by numerous, short cytoplasmic extensions and are often referred to as receiving regions.

Name four characteristics that distinguish neuroglial cells from neurons.

Microglia are ciliated to help circulate cerebrospinal fluid (CSF).

Which of the following is the correct path an impulse takes across a synapse?

Which of the following statements about neurotransmitters is False?

________ form the myelin sheaths in the brain and spinal cord.

Figure 12.2 Use the diagrams above to answer the following questions. -Identify which letter represents the most abundant category of glial cells in the CNS.

Nearly all motor neurons are of this type, based on the classification of the type and number of processes.

Figure 12.1 Use the diagram pictured above to answer the following questions. -Identify the letter that indicates the gaps between Schwann cells that are known as myelin sheath gaps (nodes of Ranvier).

The simplest of all reflexes is the ________ reflex.

In this part of a neuron, neurofilaments, actin microfilaments, and microtubules are particularly abundant, providing structural support and a transport network.

Most neurons in the body are multipolar neurons.

In an axodendritic synapse, the region of the postsynaptic neuron that binds the released neurotransmitter is the ________.

Which of the following statements about an axon is False?

An axosomatic synapse occurs between the axon terminals of one neuron and the ________ of a proximal neuron.

The Human Body: an Orientation

The Living Units

Basic Embryology

Tissues

The Integumentary System

Bones and Skeletal Tissues

Bones, Part 1: The Axial Skeleton

Bones, Part 2: The Appendicular Skeleton

Joints

Skeletal Muscle Tissue

Muscles of the Body

The Central Nervous System

The Peripheral Nervous System

The Autonomic Nervous System and Visceral Sensory Neurons

The Special Senses

The Endocrine System

Blood

The Heart

Blood Vessels

The Lymphatic and Immune Systems

The Respiratory System

The Digestive System

The Urinary System

The Reproductive System

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