Question 1

Which of the following is not considered a special somatic sense?

Accepted Answer

A)  smell 
B)  taste 
C)  pain 
D)  equilibrium 
A)  smell 
B)  taste 
C)  pain 
D)  equilibrium

Question 2

Action potentials travel along the

Accepted Answer

A)  axon membrane. 
B)  dendrite membrane. 
C)  cell body. 
D)  myelin. 
A)  axon membrane. 
B)  dendrite membrane. 
C)  cell body. 
D)  myelin.

Question 3

Ganglia represent

Accepted Answer

A)  groups of axons in the PNS. 
B)  groups of dendrites in the CNS. 
C)  groups of neuron cell bodies in the PNS. 
D)  groups of synapses in the CNS. 
A)  groups of axons in the PNS. 
B)  groups of dendrites in the CNS. 
C)  groups of neuron cell bodies in the PNS. 
D)  groups of synapses in the CNS.

Question 4

Interneurons

Accepted Answer

A)  carry incoming information from sensory receptors to the CNS. 
B)  carry outgoing motor information to effectors in the PNS. 
C)  sense information from the stimulus in the periphery 
D)  take in sensory information, direct it to specific CNS locations, and initiate the appropriate response 
A)  carry incoming information from sensory receptors to the CNS. 
B)  carry outgoing motor information to effectors in the PNS. 
C)  sense information from the stimulus in the periphery 
D)  take in sensory information, direct it to specific CNS locations, and initiate the appropriate response

Question 5

In MS, the immune system attacks and breaks down the myelin sheath surrounding CNS axons. What could be a consequence of this?

Accepted Answer

A)  Conduction along the axon would be disrupted, interfering with the function of the neuron. 
B)  Conduction would be faster along the neuron without the myelin. 
C)  The neuron would not be able to generate a new action potential. 
D)  There would be no consequence, as myelin is not important to the function of the neuron. 
A)  Conduction along the axon would be disrupted, interfering with the function of the neuron. 
B)  Conduction would be faster along the neuron without the myelin. 
C)  The neuron would not be able to generate a new action potential. 
D)  There would be no consequence, as myelin is not important to the function of the neuron.

Question 6

A somatic motor neuron carries

Accepted Answer

A)  information that signals muscle contraction in the organs in the ventral cavity. 
B)  information, such as pain, from the viscera in the ventral cavity to the CNS. 
C)  motor commands to the skeletal musculature. 
D)  information from the skin to the CNS. 
A)  information that signals muscle contraction in the organs in the ventral cavity. 
B)  information, such as pain, from the viscera in the ventral cavity to the CNS. 
C)  motor commands to the skeletal musculature. 
D)  information from the skin to the CNS.

Question 7

Use the diagrams above to answer the following questions.
-Identify which diagram represents a cell that produces a myelin sheath in the central nervous system.

Accepted Answer

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

Question 8

Use the diagram pictured above to answer the following questions.
-Identify the letter that indicates a Schwann cell.

Accepted Answer

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

Question 9

Most tumors in the brain originate from glial cells, but not neurons. What characteristic of glial cells make them the most likely source of tumors in the brain?

Accepted Answer

A)  Glial cells are able to divide, while neurons are not. 
B)  Glial cells naturally release a tumor-promoting factor. 
C)  Glial cells carry a neuronal signal, making them vulnerable to abnormal replication. 
D)  Glial cells are easily damaged by the electrical signal carried on the neurons. 
A)  Glial cells are able to divide, while neurons are not. 
B)  Glial cells naturally release a tumor-promoting factor. 
C)  Glial cells carry a neuronal signal, making them vulnerable to abnormal replication. 
D)  Glial cells are easily damaged by the electrical signal carried on the neurons.

Question 10

General visceral sensory impulses include pain, temperature, nausea, and hunger.

Accepted Answer

A) True 
 B)False

Question 11

________ neurons develop from neural crest cells.

Accepted Answer

The answer of ________ neurons develop from neural crest cells....

Question 12

When the doctor uses a reflex hammer on your patellar ligament and you experience a "knee jerk" this is an example of a

Accepted Answer

A)  polysynaptic withdrawal reflex 
B)  monosynaptic stretch reflex 
C)  monosynaptic withdrawal reflex 
D)  polysynaptic stretch reflex 
A)  polysynaptic withdrawal reflex 
B)  monosynaptic stretch reflex 
C)  monosynaptic withdrawal reflex 
D)  polysynaptic stretch reflex

Question 13

Which term is correctly matched with its definition?

Accepted Answer

A)  neuron - collection of axons in the PNS 
B)  nerve fiber - a long axon 
C)  nerve - a nerve cell 
D)  neuron - a long axon 
A)  neuron - collection of axons in the PNS 
B)  nerve fiber - a long axon 
C)  nerve - a nerve cell 
D)  neuron - a long axon

Question 14

All of the following are characteristics of dendrites except that they

Accepted Answer

A)  are more extensive branching than axons. 
B)  always conduct action potentials. 
C)  conduct signals toward the cell body. 
D)  typically occur as more than one per cell. 
A)  are more extensive branching than axons. 
B)  always conduct action potentials. 
C)  conduct signals toward the cell body. 
D)  typically occur as more than one per cell.

Question 15

An example of proprioception is

Accepted Answer

A)  the contraction of the triceps brachii. 
B)  the contraction of pharyngeal arch muscles used in chewing. 
C)  sensing a feather touch the skin. 
D)  the sensation you feel during a wake-up stretch. 
A)  the contraction of the triceps brachii. 
B)  the contraction of pharyngeal arch muscles used in chewing. 
C)  sensing a feather touch the skin. 
D)  the sensation you feel during a wake-up stretch.

Question 16

________ are the neuroglial cells with cilia.

Accepted Answer

The answer of ________ are the neuroglial cells with cilia....

Question 17

The PNS and CNS are structurally linked together within the gray matter of the CNS.

Accepted Answer

A) True 
 B)False

Question 18

The white matter is the site where neuron cell bodies are clustered.

Accepted Answer

A) True 
 B)False

Question 19

Which cells are the macrophages of the CNS?

Accepted Answer

A)  ependymal cells 
B)  microglial cells 
C)  satellite cells 
D)  Schwann cells 
A)  ependymal cells 
B)  microglial cells 
C)  satellite cells 
D)  Schwann cells

Question 20

Describe layers of myelin and connective tissue surrounding a nerve.

Accepted Answer

The axon is myelinated by Schwann cells,

Exam 12: Fundamentals of the Nervous System and Nervous Tissue

Which of the following is not considered a special somatic sense?

Action potentials travel along the

Ganglia represent

Interneurons

In MS, the immune system attacks and breaks down the myelin sheath surrounding CNS axons. What could be a consequence of this?

A somatic motor neuron carries

Use the diagrams above to answer the following questions. -Identify which diagram represents a cell that produces a myelin sheath in the central nervous system.

Use the diagram pictured above to answer the following questions. -Identify the letter that indicates a Schwann cell.

Most tumors in the brain originate from glial cells, but not neurons. What characteristic of glial cells make them the most likely source of tumors in the brain?

General visceral sensory impulses include pain, temperature, nausea, and hunger.

________ neurons develop from neural crest cells.

When the doctor uses a reflex hammer on your patellar ligament and you experience a "knee jerk" this is an example of a

Which term is correctly matched with its definition?

All of the following are characteristics of dendrites except that they

An example of proprioception is

________ are the neuroglial cells with cilia.

The PNS and CNS are structurally linked together within the gray matter of the CNS.

The white matter is the site where neuron cell bodies are clustered.

Which cells are the macrophages of the CNS?

Describe layers of myelin and connective tissue surrounding a nerve.

The Human Body: an Orientation

Cells: 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

Filters