Question 1

________ refers to the loss of memory from disease or trauma.

Accepted Answer

A)  Hemiaplasia 
B)  Aphasia 
C)  Dyslexia 
D)  Amnesia 
E)  Apraxia 
A)  Hemiaplasia 
B)  Aphasia 
C)  Dyslexia 
D)  Amnesia 
E)  Apraxia

Question 2

Opening of voltage-gated sodium channels in the membrane of a neuron results in

Accepted Answer

A)  depolarization. 
B)  repolarization. 
C)  hyperpolarization. 
D)  increased negative charge inside the membrane. 
E)  myelination. 
A)  depolarization. 
B)  repolarization. 
C)  hyperpolarization. 
D)  increased negative charge inside the membrane. 
E)  myelination.

Question 3

Motor innervation of the muscles of facial expression is transmitted through which cranial nerve?

Accepted Answer

A)  VI 
B)  VII 
C)  XI 
D)  V 
E)  X 
A)  VI 
B)  VII 
C)  XI 
D)  V 
E)  X

Question 4

The visual cortex is located in the

Accepted Answer

A)  frontal lobe. 
B)  parietal lobe. 
C)  temporal lobe. 
D)  occipital lobe. 
E)  cerebellum. 
A)  frontal lobe. 
B)  parietal lobe. 
C)  temporal lobe. 
D)  occipital lobe. 
E)  cerebellum.

Question 5

Damage to the hypothalamus can result in

Accepted Answer

A)  taste and smell problems. 
B)  increased attention. 
C)  coma. 
D)  decreased cerebral function. 
E)  fluctuations in body temperature. 
A)  taste and smell problems. 
B)  increased attention. 
C)  coma. 
D)  decreased cerebral function. 
E)  fluctuations in body temperature.

Question 6

If the dorsal root of a spinal nerve is severed,

Accepted Answer

A)  motor control of skeletal muscles would be impaired. 
B)  motor control of visceral organs would be impaired. 
C)  the spinal cord would not be able to process information at that level. 
D)  the brain would not be able to communicate with that level of the spinal cord. 
E)  incoming sensory information would be disrupted. 
A)  motor control of skeletal muscles would be impaired. 
B)  motor control of visceral organs would be impaired. 
C)  the spinal cord would not be able to process information at that level. 
D)  the brain would not be able to communicate with that level of the spinal cord. 
E)  incoming sensory information would be disrupted.

Question 7

In multiple sclerosis, there is progressive and intermittent damage to the myelin sheath of peripheral nerves. This results in poor motor control of the affected area. Why does destruction of the myelin sheath affect motor control?

Accepted Answer

Action potentials travel faster along fi

Question 8

Which of the following is the correct order of events that occur at a cholinergic synapse? 1. Extracellular calcium enters the axon terminal, triggering the exocytosis of acetylcholine.
2) Acetylcholine is removed by acetylcholinesterase.
3) Acetylcholine binds to receptors and depolarizes the postsynaptic membrane.
4) Axon terminal depolarizes.

Accepted Answer

A)  2, 3, 1, 4 
B)  1, 4, 3, 2 
C)  4, 1, 2, 3 
D)  3, 4, 1, 2 
E)  4, 1, 3, 2 
A)  2, 3, 1, 4 
B)  1, 4, 3, 2 
C)  4, 1, 2, 3 
D)  3, 4, 1, 2 
E)  4, 1, 3, 2

Question 9

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 10

Which neuroglial cells produce CSF in some regions of the brain?

Accepted Answer

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

Question 11

The myelin sheaths that surround the axons of some of the neurons in the CNS are formed by

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 12

Most neurons lack centrioles. This observation explains

Accepted Answer

A)  why neurons grow such long axons. 
B)  why such neurons cannot divide through mitosis. 
C)  the conducting ability of neurons. 
D)  the ability of neurons to communicate with each other. 
E)  the longevity of neurons. 
A)  why neurons grow such long axons. 
B)  why such neurons cannot divide through mitosis. 
C)  the conducting ability of neurons. 
D)  the ability of neurons to communicate with each other. 
E)  the longevity of neurons.

Question 13

A few spiders produce a venom that is a calcium-channel blocker. Where would this venom have on nerve impulse transmission?

Accepted Answer

A)  at the axon terminal 
B)  at the axon hillock 
C)  along the dendrite 
D)  along the cell body membrane 
E)  at the postsynaptic membrane 
A)  at the axon terminal 
B)  at the axon hillock 
C)  along the dendrite 
D)  along the cell body membrane 
E)  at the postsynaptic membrane

Question 14

Almost 75 percent of all parasympathetic outflow travels along the

Accepted Answer

A)  oculomotor nerve. 
B)  splanchnic nerves. 
C)  vagus nerve. 
D)  pelvic nerves. 
E)  collateral nerve. 
A)  oculomotor nerve. 
B)  splanchnic nerves. 
C)  vagus nerve. 
D)  pelvic nerves. 
E)  collateral nerve.

Question 15

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 16

Pulling away from a painful stimulus is an example of a(n) ________ reflex.

Accepted Answer

A)  cross-extensor 
B)  pupillary 
C)  withdrawal 
D)  knee-jerk 
E)  ankle-jerk 
A)  cross-extensor 
B)  pupillary 
C)  withdrawal 
D)  knee-jerk 
E)  ankle-jerk

Question 17

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 18

An autonomic motor neuron whose cell body lies in the CNS is called a(n)

Accepted Answer

A)  upper motor neuron. 
B)  lower motor neuron. 
C)  preganglionic neuron. 
D)  postganglionic neuron. 
E)  somatic motor neuron. 
A)  upper motor neuron. 
B)  lower motor neuron. 
C)  preganglionic neuron. 
D)  postganglionic neuron. 
E)  somatic motor neuron.

Question 19

The all-or-none principle states that

Accepted Answer

A)  all stimuli will produce identical action potentials. 
B)  all stimuli great enough to bring the membrane to threshold will produce identical action potentials. 
C)  the greater the magnitude of the stimuli, the greater the intensity of the action potential. 
D)  only sensory stimuli can activate action potentials. 
E)  only motor stimuli can activate action potentials. 
A)  all stimuli will produce identical action potentials. 
B)  all stimuli great enough to bring the membrane to threshold will produce identical action potentials. 
C)  the greater the magnitude of the stimuli, the greater the intensity of the action potential. 
D)  only sensory stimuli can activate action potentials. 
E)  only motor stimuli can activate action potentials.

Question 20

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 D is the

Accepted Answer

A)  hypothalamus. 
B)  thalamus. 
C)  lateral ventricle. 
D)  optic chiasm. 
E)  pineal gland. 
A)  hypothalamus. 
B)  thalamus. 
C)  lateral ventricle. 
D)  optic chiasm. 
E)  pineal gland.

________ refers to the loss of memory from disease or trauma.

Opening of voltage-gated sodium channels in the membrane of a neuron results in

Motor innervation of the muscles of facial expression is transmitted through which cranial nerve?

The visual cortex is located in the

Damage to the hypothalamus can result in

If the dorsal root of a spinal nerve is severed,

In multiple sclerosis, there is progressive and intermittent damage to the myelin sheath of peripheral nerves. This results in poor motor control of the affected area. Why does destruction of the myelin sheath affect motor control?

Muscle spindles

Which neuroglial cells produce CSF in some regions of the brain?

The myelin sheaths that surround the axons of some of the neurons in the CNS are formed by

Most neurons lack centrioles. This observation explains

A few spiders produce a venom that is a calcium-channel blocker. Where would this venom have on nerve impulse transmission?

Almost 75 percent of all parasympathetic outflow travels along the

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

Pulling away from a painful stimulus is an example of a(n) ________ reflex.

The phrenic nerves arise from the

An autonomic motor neuron whose cell body lies in the CNS is called a(n)

The all-or-none principle states that

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 D is 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

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Exam 8: The Nervous System

________ refers to the loss of memory from disease or trauma.

Opening of voltage-gated sodium channels in the membrane of a neuron results in

Motor innervation of the muscles of facial expression is transmitted through which cranial nerve?

The visual cortex is located in the

Damage to the hypothalamus can result in

If the dorsal root of a spinal nerve is severed,

In multiple sclerosis, there is progressive and intermittent damage to the myelin sheath of peripheral nerves. This results in poor motor control of the affected area. Why does destruction of the myelin sheath affect motor control?

Muscle spindles

Which neuroglial cells produce CSF in some regions of the brain?

The myelin sheaths that surround the axons of some of the neurons in the CNS are formed by

Most neurons lack centrioles. This observation explains

A few spiders produce a venom that is a calcium-channel blocker. Where would this venom have on nerve impulse transmission?

Almost 75 percent of all parasympathetic outflow travels along the

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

Pulling away from a painful stimulus is an example of a(n) ________ reflex.

The phrenic nerves arise from the

An autonomic motor neuron whose cell body lies in the CNS is called a(n)

The all-or-none principle states that

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 D is 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