Question 1

The cranial nerves whose primary function is special sensory are

Accepted Answer

A)  VIII, IX, and XII. 
B)  III, IV, and VI. 
C)  II, III, and IV. 
D)  I, II, and VIII. 
E)  I, III, and V. 
A)  VIII, IX, and XII. 
B)  III, IV, and VI. 
C)  II, III, and IV. 
D)  I, II, and VIII. 
E)  I, III, and V.

Question 2

During continuous conduction,

Accepted Answer

A)  action potentials move in all directions along an axon. 
B)  action potentials occur at successive nodes along the length of the stimulated axon. 
C)  local currents depolarize adjacent areas of membrane so that action potentials continue along the membrane. 
D)  the action potential starts at the beginning of the neuronal pathway and continues form neuron to neuron. 
E)  local potentials produce a continuous outward flow of potassium ions. 
A)  action potentials move in all directions along an axon. 
B)  action potentials occur at successive nodes along the length of the stimulated axon. 
C)  local currents depolarize adjacent areas of membrane so that action potentials continue along the membrane. 
D)  the action potential starts at the beginning of the neuronal pathway and continues form neuron to neuron. 
E)  local potentials produce a continuous outward flow of potassium ions.

Question 3

Which spinal cord structure(s)contains the axons of CNS motor neurons that control muscles and glands?

Accepted Answer

A)  anterior gray commissure 
B)  white column 
C)  ventral roots 
D)  dorsal roots 
E)  ventral horns 
A)  anterior gray commissure 
B)  white column 
C)  ventral roots 
D)  dorsal roots 
E)  ventral horns

Question 4

Neurons that have one axon and one dendrite with the cell body between them are called

Accepted Answer

A)  polypolar. 
B)  unipolar. 
C)  bipolar. 
D)  tripolar. 
E)  multipolar. 
A)  polypolar. 
B)  unipolar. 
C)  bipolar. 
D)  tripolar. 
E)  multipolar.

Question 5

The phrenic nerves arise from the

Accepted Answer

A)  cervical plexus. 
B)  thoracic plexus. 
C)  lumbar plexus. 
D)  sacral plexus. 
E)  brain. 
A)  cervical plexus. 
B)  thoracic plexus. 
C)  lumbar plexus. 
D)  sacral plexus. 
E)  brain.

Question 6

Photo Credit: Ralph T. Hutchings
Figure 8-1 Structural Components of the Brain (Sagittal Section)
Use Figure 8-1 to identify the labeled part.
-Structure H is the

Accepted Answer

A)  midbrain. 
B)  medulla oblongata. 
C)  cerebellum. 
D)  basal ganglia. 
E)  pons. 
A)  midbrain. 
B)  medulla oblongata. 
C)  cerebellum. 
D)  basal ganglia. 
E)  pons.

Question 7

The neurilemma of axons in the peripheral nervous system is the outer layer of

Accepted Answer

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

Question 8

All of the nervous tissue outside of the central nervous system comprises the ________ nervous system.

Accepted Answer

A)  somatic 
B)  autonomic 
C)  sympathetic 
D)  central 
E)  peripheral 
A)  somatic 
B)  autonomic 
C)  sympathetic 
D)  central 
E)  peripheral

Question 9

Photo Credit: Ralph T. Hutchings
Figure 8-1 Structural Components of the Brain (Sagittal Section)
Use Figure 8-1 to identify the labeled part.
-Structure F is the

Accepted Answer

A)  hypothalamus. 
B)  diencephalon. 
C)  lateral ventricle. 
D)  corpus callosum. 
E)  pineal gland. 
A)  hypothalamus. 
B)  diencephalon. 
C)  lateral ventricle. 
D)  corpus callosum. 
E)  pineal gland.

Question 10

Head injuries that damage cerebral blood vessels are serious conditions because

Accepted Answer

A)  they could cause severe pain. 
B)  the blood could compress and distort the relatively soft tissues of the brain. 
C)  epicardial tissue will be affected. 
D)  the venous sinus will not drain. 
E)  pathways will be blocked. 
A)  they could cause severe pain. 
B)  the blood could compress and distort the relatively soft tissues of the brain. 
C)  epicardial tissue will be affected. 
D)  the venous sinus will not drain. 
E)  pathways will be blocked.

Question 11

Photo Credit: Ralph T. Hutchings
Figure 8-1 Structural Components of the Brain (Sagittal Section)
Use Figure 8-1 to identify the labeled part.
-Structure A is the

Accepted Answer

A)  lateral sulcus. 
B)  transverse fissure. 
C)  longitudinal fissure. 
D)  central sulcus. 
E)  central gyrus. 
A)  lateral sulcus. 
B)  transverse fissure. 
C)  longitudinal fissure. 
D)  central sulcus. 
E)  central gyrus.

Question 12

Muscle spindles

Accepted Answer

A)  are found in cardiac muscle. 
B)  are bundles of small, specialized skeletal muscle fibers. 
C)  are controlled through the cranial nerves. 
D)  are found mainly in smooth muscle. 
E)  are not involved in stretch reflexes. 
A)  are found in cardiac muscle. 
B)  are bundles of small, specialized skeletal muscle fibers. 
C)  are controlled through the cranial nerves. 
D)  are found mainly in smooth muscle. 
E)  are not involved in stretch reflexes.

Question 13

The premotor cortex of the cerebrum,involved in the planning and sequencing of muscle movements,is located in the

Accepted Answer

A)  frontal lobe. 
B)  postcentral gyrus. 
C)  hippocampus. 
D)  parietal lobe. 
E)  thalamus. 
A)  frontal lobe. 
B)  postcentral gyrus. 
C)  hippocampus. 
D)  parietal lobe. 
E)  thalamus.

Question 14

The part of the peripheral nervous system that brings information to the central nervous system is the

Accepted Answer

A)  motor division. 
B)  afferent division. 
C)  efferent division. 
D)  autonomic division. 
E)  somatic division. 
A)  motor division. 
B)  afferent division. 
C)  efferent division. 
D)  autonomic division. 
E)  somatic division.

Question 15

The midbrain has a slender CSF-filled canal known as the

Accepted Answer

A)  cerebral aqueduct. 
B)  lateral ventricle. 
C)  medulla oblongata. 
D)  fourth ventricle. 
E)  third ventricle. 
A)  cerebral aqueduct. 
B)  lateral ventricle. 
C)  medulla oblongata. 
D)  fourth ventricle. 
E)  third ventricle.

Question 16

Photo Credit: Ralph T. Hutchings
Figure 8-1 Structural Components of the Brain (Sagittal Section)
Use Figure 8-1 to identify the labeled part.
-Structure K is part of the

Accepted Answer

A)  midbrain. 
B)  diencephalon. 
C)  cerebrum. 
D)  brainstem. 
E)  limbic system. 
A)  midbrain. 
B)  diencephalon. 
C)  cerebrum. 
D)  brainstem. 
E)  limbic system.

Question 17

Which statement is true regarding action potential propagation?

Accepted Answer

A)  In salutatory conduction, the myelin is composed of fat, which insulates the axon membrane against sodium ion flow across the membrane. 
B)  Continuous propagation results in one graded potential producing multiple action potentials. 
C)  The action potential will die out along the axon if another graded potential does not occur. 
D)  All voltage-gated channels along the axon open at the same time, allowing sodium to flow in simultaneously. 
E)  The active transport of sodium and potassium through sodium-potassium ion pumps causes depolarization of the axon membrane. 
A)  In salutatory conduction, the myelin is composed of fat, which insulates the axon membrane against sodium ion flow across the membrane. 
B)  Continuous propagation results in one graded potential producing multiple action potentials. 
C)  The action potential will die out along the axon if another graded potential does not occur. 
D)  All voltage-gated channels along the axon open at the same time, allowing sodium to flow in simultaneously. 
E)  The active transport of sodium and potassium through sodium-potassium ion pumps causes depolarization of the axon membrane.

Question 18

If Broca's area is damaged,what might result?

Accepted Answer

A)  loss of sensation 
B)  loss of the ability to speak 
C)  loss of upper limb control 
D)  loss of memory 
E)  mental retardation 
A)  loss of sensation 
B)  loss of the ability to speak 
C)  loss of upper limb control 
D)  loss of memory 
E)  mental retardation

Question 19

Which pathway provides subconscious,involuntary control of muscle tone and movements of the neck,trunk,and limbs?

Accepted Answer

A)  spinothalamic 
B)  spinocerebellar 
C)  homuncular 
D)  medial pathway 
E)  posterior column 
A)  spinothalamic 
B)  spinocerebellar 
C)  homuncular 
D)  medial pathway 
E)  posterior column

Question 20

The largest and most numerous of the glial cells in the central nervous system are the

Accepted Answer

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

The cranial nerves whose primary function is special sensory are

During continuous conduction,

Which spinal cord structure(s)contains the axons of CNS motor neurons that control muscles and glands?

Neurons that have one axon and one dendrite with the cell body between them are called

The phrenic nerves arise from the

Photo Credit: Ralph T. Hutchings Figure 8-1 Structural Components of the Brain (Sagittal Section) Use Figure 8-1 to identify the labeled part. -Structure H is the

The neurilemma of axons in the peripheral nervous system is the outer layer of

All of the nervous tissue outside of the central nervous system comprises the ________ nervous system.

Photo Credit: Ralph T. Hutchings Figure 8-1 Structural Components of the Brain (Sagittal Section) Use Figure 8-1 to identify the labeled part. -Structure F is the

Head injuries that damage cerebral blood vessels are serious conditions because

Photo Credit: Ralph T. Hutchings Figure 8-1 Structural Components of the Brain (Sagittal Section) Use Figure 8-1 to identify the labeled part. -Structure A is the

Muscle spindles

The premotor cortex of the cerebrum,involved in the planning and sequencing of muscle movements,is located in the

The part of the peripheral nervous system that brings information to the central nervous system is the

The midbrain has a slender CSF-filled canal known as the

Photo Credit: Ralph T. Hutchings Figure 8-1 Structural Components of the Brain (Sagittal Section) Use Figure 8-1 to identify the labeled part. -Structure K is part of the

Which statement is true regarding action potential propagation?

If Broca's area is damaged,what might result?

Which pathway provides subconscious,involuntary control of muscle tone and movements of the neck,trunk,and limbs?

The largest and most numerous of the glial cells in the central nervous system are the

An Introduction to Anatomy and Physiology

The Chemical Level of Organization

Cell Structure and Function

The Tissue Level of Organization

The Integumentary System

The Skeletal System

The Muscular System

The General and Special Senses

The Endocrine System

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Exam 8: The Nervous System

The cranial nerves whose primary function is special sensory are

During continuous conduction,

Which spinal cord structure(s)contains the axons of CNS motor neurons that control muscles and glands?

Neurons that have one axon and one dendrite with the cell body between them are called

The phrenic nerves arise from the

Photo Credit: Ralph T. Hutchings Figure 8-1 Structural Components of the Brain (Sagittal Section) Use Figure 8-1 to identify the labeled part. -Structure H is the

The neurilemma of axons in the peripheral nervous system is the outer layer of

All of the nervous tissue outside of the central nervous system comprises the ________ nervous system.

Photo Credit: Ralph T. Hutchings Figure 8-1 Structural Components of the Brain (Sagittal Section) Use Figure 8-1 to identify the labeled part. -Structure F is the

Head injuries that damage cerebral blood vessels are serious conditions because

Photo Credit: Ralph T. Hutchings Figure 8-1 Structural Components of the Brain (Sagittal Section) Use Figure 8-1 to identify the labeled part. -Structure A is the

Muscle spindles

The premotor cortex of the cerebrum,involved in the planning and sequencing of muscle movements,is located in the

The part of the peripheral nervous system that brings information to the central nervous system is the

The midbrain has a slender CSF-filled canal known as the

Photo Credit: Ralph T. Hutchings Figure 8-1 Structural Components of the Brain (Sagittal Section) Use Figure 8-1 to identify the labeled part. -Structure K is part of the

Which statement is true regarding action potential propagation?

If Broca's area is damaged,what might result?

Which pathway provides subconscious,involuntary control of muscle tone and movements of the neck,trunk,and limbs?

The largest and most numerous of the glial cells in the central nervous system are the

An Introduction to Anatomy and Physiology

The Chemical Level of Organization

Cell Structure and Function

The Tissue Level of Organization

The Integumentary System

The Skeletal System

The Muscular System

The General and Special Senses

The Endocrine System

The Cardiovascular System: Blood

The Cardiovascular System: The Heart

The Cardiovascular System: Blood Vessels and Circulation

The Lymphatic System and Immunity

The Respiratory System

The Digestive System

Metabolism and Energetics

The Urinary System

The Reproductive System

Development and Inheritance

Filters