Question 1

In the central nervous system myelin is formed by

Accepted Answer

A)  Schwann cells. 
B)  oligodendrocytes. 
C)  astrocytes. 
D)  microglial cells. 
E)  ependymal cells. 
A)  Schwann cells. 
B)  oligodendrocytes. 
C)  astrocytes. 
D)  microglial cells. 
E)  ependymal cells.

Question 2

A branch-like sensory process of a neuron that provides the main receptive surface for communication is called a(n)

Accepted Answer

A)  Nissl substance. 
B)  axon. 
C)  neurilemma. 
D)  dendrite. 
A)  Nissl substance. 
B)  axon. 
C)  neurilemma. 
D)  dendrite.

Question 3

Which of the following is a part of the diencephalon?

Accepted Answer

A)  thalamus 
B)  cerebral aqueduct 
C)  cerebral peduncles 
D)  frontal lobe 
E)  pons 
A)  thalamus 
B)  cerebral aqueduct 
C)  cerebral peduncles 
D)  frontal lobe 
E)  pons

Question 4

An action potential is an all-or-none response.

Accepted Answer

A) True 
 B)False

Question 5

Sympathetic ganglia

Accepted Answer

A)  are close to the spinal cord. 
B)  are close to the effector organs and glands. 
C)  are in the sacral region. 
D)  form the dorsal root ganglia. 
A)  are close to the spinal cord. 
B)  are close to the effector organs and glands. 
C)  are in the sacral region. 
D)  form the dorsal root ganglia.

Question 6

A synapse is the functional connection between two neurons.

Accepted Answer

A) True 
 B)False

Question 7

This neuron process originates as a single structure but may give off many branches.

Accepted Answer

A)  axon 
B)  dendrite 
C)  myelin sheath 
D)  soma 
A)  axon 
B)  dendrite 
C)  myelin sheath 
D)  soma

Question 8

Afferent neurons bring sensory information into the central nervous system.

Accepted Answer

A) True 
 B)False

Question 9

These neuroglia are found in the central nervous system and phagocytize bacterial cells and cellular debris.

Accepted Answer

A)  astrocytes 
B)  ependymal cells 
C)  oligodendrocytes 
D)  microglia 
E)  Schwann cells 
A)  astrocytes 
B)  ependymal cells 
C)  oligodendrocytes 
D)  microglia 
E)  Schwann cells

Question 10

Considered the emotional brain,this complex controls emotional experience and expression.

Accepted Answer

A)  reticular activating system 
B)  limbic system 
C)  nuclei of the hypothalamus 
D)  optic chiasma 
A)  reticular activating system 
B)  limbic system 
C)  nuclei of the hypothalamus 
D)  optic chiasma

Question 11

The neurilemma

Accepted Answer

A)  is the neuron's plasma membrane. 
B)  is the sarcolemma of the neuron. 
C)  surrounds the myelin sheath. 
D)  only surrounds the soma of the central nervous system neurons. 
A)  is the neuron's plasma membrane. 
B)  is the sarcolemma of the neuron. 
C)  surrounds the myelin sheath. 
D)  only surrounds the soma of the central nervous system neurons.

Question 12

An infant's responses to stimuli are coarse and undifferentiated because its nerve fibers

Accepted Answer

A)  have not yet appeared. 
B)  are not yet capable of action potentials. 
C)  have not yet developed connections to the brain. 
D)  are not completely myelinated. 
E)  cannot release neurotransmitter. 
A)  have not yet appeared. 
B)  are not yet capable of action potentials. 
C)  have not yet developed connections to the brain. 
D)  are not completely myelinated. 
E)  cannot release neurotransmitter.

Question 13

Which of the following is NOT a type of neuroglia?

Accepted Answer

A)  astrocyte 
B)  oligodendrocyte 
C)  ependymal cell 
D)  neuron 
E)  microglial cell 
A)  astrocyte 
B)  oligodendrocyte 
C)  ependymal cell 
D)  neuron 
E)  microglial cell

Question 14

Neurons entirely contained within the brain or spinal cord are functionally classified as

Accepted Answer

A)  motor neurons 
B)  interneurons 
C)  sensory neurons 
A)  motor neurons 
B)  interneurons 
C)  sensory neurons

In the central nervous system myelin is formed by

A branch-like sensory process of a neuron that provides the main receptive surface for communication is called a(n)

Which of the following is a part of the diencephalon?

An action potential is an all-or-none response.

Sympathetic ganglia

A synapse is the functional connection between two neurons.

This neuron process originates as a single structure but may give off many branches.

Afferent neurons bring sensory information into the central nervous system.

These neuroglia are found in the central nervous system and phagocytize bacterial cells and cellular debris.

Considered the emotional brain,this complex controls emotional experience and expression.

The neurilemma

An infant's responses to stimuli are coarse and undifferentiated because its nerve fibers

Which of the following is NOT a type of neuroglia?

Neurons entirely contained within the brain or spinal cord are functionally classified as

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Exam 9: Nervous System

In the central nervous system myelin is formed by

A branch-like sensory process of a neuron that provides the main receptive surface for communication is called a(n)

Which of the following is a part of the diencephalon?

An action potential is an all-or-none response.

Sympathetic ganglia

A synapse is the functional connection between two neurons.

This neuron process originates as a single structure but may give off many branches.

Afferent neurons bring sensory information into the central nervous system.

These neuroglia are found in the central nervous system and phagocytize bacterial cells and cellular debris.

Considered the emotional brain,this complex controls emotional experience and expression.

The neurilemma

An infant's responses to stimuli are coarse and undifferentiated because its nerve fibers

Which of the following is NOT a type of neuroglia?

Neurons entirely contained within the brain or spinal cord are functionally classified as

Introduction to Human Anatomy and Physiology

Chemical Basis of Life

Cells

Cellular Metabolism

Tissues

Integumentary System

Skeletal System

Muscular System

The Senses

Endocrine System

Blood

Cardiovascular System

Lymphatic System and Immunity

Digestive System and Nutrition

Respiratory System

Urinary System

Water, electrolyte, and Acid-Base Balance

Reproductive Systems

Pregnancy, growth, development, and Genetics

Filters