Question 1

The cerebellum

Accepted Answer

A)  functions to maintain proper posture and equilibrium. 
B)  receives input from the motor cortex and basal nuclei. 
C)  compares intended movement to actual movement. 
D)  if damaged leads to uncoordinated and jerky movements. 
E)  has all these characteristics. 
A)  functions to maintain proper posture and equilibrium. 
B)  receives input from the motor cortex and basal nuclei. 
C)  compares intended movement to actual movement. 
D)  if damaged leads to uncoordinated and jerky movements. 
E)  has all these characteristics.

Question 2

The control of heart rate and blood pressure is based in the

Accepted Answer

A)  cerebrum. 
B)  cerebellum. 
C)  diencephalon. 
D)  medulla oblongata. 
E)  heart. 
A)  cerebrum. 
B)  cerebellum. 
C)  diencephalon. 
D)  medulla oblongata. 
E)  heart.

Question 3

A receptor that responds to chemicals dissolved in solution is a ________.

Accepted Answer

A)  tactile receptor 
B)  chemoreceptor 
C)  nociceptor 
D)  thermoreceptor 
E)  light receptor 
A)  tactile receptor 
B)  chemoreceptor 
C)  nociceptor 
D)  thermoreceptor 
E)  light receptor

Question 4

Which of the cranial nerves is named for the fact that it "wanders," that is, innervates structures throughout the thorax and abdomen?

Accepted Answer

A)  VIII 
B)  IX 
C)  X 
D)  XI 
E)  XII 
A)  VIII 
B)  IX 
C)  X 
D)  XI 
E)  XII

Question 5

The corpus callosum is composed of

Accepted Answer

A)  arcuate fibers. 
B)  longitudinal fasciculi. 
C)  association fibers. 
D)  commissural fibers. 
E)  projection fibers. 
A)  arcuate fibers. 
B)  longitudinal fasciculi. 
C)  association fibers. 
D)  commissural fibers. 
E)  projection fibers.

Question 6

The internal capsule of the cerebrum is composed of

Accepted Answer

A)  arcuate fibers. 
B)  longitudinal fasciculi. 
C)  association fibers. 
D)  commissural fibers. 
E)  projection fibers. 
A)  arcuate fibers. 
B)  longitudinal fasciculi. 
C)  association fibers. 
D)  commissural fibers. 
E)  projection fibers.

Question 7

The area of the motor cortex that is devoted to a particular region of the body is proportional to the

Accepted Answer

A)  size of the body area. 
B)  distance of the body area from the brain. 
C)  number of motor units in that region. 
D)  number of sensory receptors in the area of the body. 
E)  size of the nerves that serve the area of the body. 
A)  size of the body area. 
B)  distance of the body area from the brain. 
C)  number of motor units in that region. 
D)  number of sensory receptors in the area of the body. 
E)  size of the nerves that serve the area of the body.

Question 8

The conversion of a sensory input to a change in membrane potential in the receptor is known as ________.

Accepted Answer

The answer of The conversion of a sensory input to...

Question 9

Descending (motor) pathways always involve at least ________ motor neuron(s).

Accepted Answer

A)  one 
B)  two 
C)  three 
D)  four 
E)  spinal 
A)  one 
B)  two 
C)  three 
D)  four 
E)  spinal

Question 10

Difficulty in swallowing may be a sign of damage to which cranial nerve(s)?

Accepted Answer

A)  vagus 
B)  facial 
C)  glossopharyngeal 
D)  all of the above 
E)  vagus and glossopharyngeal only 
A)  vagus 
B)  facial 
C)  glossopharyngeal 
D)  all of the above 
E)  vagus and glossopharyngeal only

Question 11

The ________ integrate(s) sensory information for projection to the association areas of the cerebral cortex.

Accepted Answer

A)  pulvinar 
B)  lateral geniculate bodies 
C)  medial geniculate bodies 
D)  supraoptic nuclei 
E)  paraventricular nuclei 
A)  pulvinar 
B)  lateral geniculate bodies 
C)  medial geniculate bodies 
D)  supraoptic nuclei 
E)  paraventricular nuclei

Question 12

A person with a damaged visual association area may be

Accepted Answer

A)  unable to see rows of letters. 
B)  declared legally blind. 
C)  unable to recognize letters but able to identify whole words and their meanings. 
D)  able to see letters but unable to associate them into words. 
E)  unable to understand spoken words. 
A)  unable to see rows of letters. 
B)  declared legally blind. 
C)  unable to recognize letters but able to identify whole words and their meanings. 
D)  able to see letters but unable to associate them into words. 
E)  unable to understand spoken words.

Question 13

Alzheimer disease is characterized by all of the following, except that it

Accepted Answer

A)  is the most common cause of senile dementia. 
B)  is characterized by a progressive loss of memory. 
C)  has a clear genetic basis. 
D)  is associated with the formation of plaques. 
E)  may be associated with damage to the hippocampus. 
A)  is the most common cause of senile dementia. 
B)  is characterized by a progressive loss of memory. 
C)  has a clear genetic basis. 
D)  is associated with the formation of plaques. 
E)  may be associated with damage to the hippocampus.

Question 14

Thalamic neurons that synapse in the the primary sensory cortex are ________ neurons.

Accepted Answer

A)  receptor 
B)  first-order 
C)  second-order 
D)  third-order 
E)  fourth-order 
A)  receptor 
B)  first-order 
C)  second-order 
D)  third-order 
E)  fourth-order

Question 15

A highly sensitive tactile receptor composed of dendritic processes of a single myelinated fiber that makes contact with specialized cells of the stratum germinativum is a

Accepted Answer

A)  lamellated corpuscle. 
B)  tactile (Meissner) corpuscle. 
C)  Ruffini corpuscle. 
D)  tactile (Merkel) disc. 
E)  root hair plexus. 
A)  lamellated corpuscle. 
B)  tactile (Meissner) corpuscle. 
C)  Ruffini corpuscle. 
D)  tactile (Merkel) disc. 
E)  root hair plexus.

Question 16

Sensory neurons that are normally inactive but can become active for a short time are called ________ receptors.

Accepted Answer

The answer of Sensory neurons that are normally inactive but...

Question 17

As you ascend from the medulla oblongata to the cerebrum, the functions of each successive level become

Accepted Answer

A)  more complex. 
B)  simpler. 
C)  better understood. 
D)  less crucial to visceral functions. 
E)  both more complex and less crucial to visceral functions. 
A)  more complex. 
B)  simpler. 
C)  better understood. 
D)  less crucial to visceral functions. 
E)  both more complex and less crucial to visceral functions.

Question 18

The cerebellar hemispheres are separated by a band of cortex called the

Accepted Answer

A)  flocculonodular lobe. 
B)  arbor vitae. 
C)  folia. 
D)  vermis. 
E)  pyramid. 
A)  flocculonodular lobe. 
B)  arbor vitae. 
C)  folia. 
D)  vermis. 
E)  pyramid.

Question 19

Which ascending tract carries the sensations for fine touch and vibration?

Accepted Answer

A)  corticobulbar 
B)  corticospinal 
C)  posterior (dorsal) column 
D)  spinothalamic 
E)  both posterior (dorsal) column and spinothalamic 
A)  corticobulbar 
B)  corticospinal 
C)  posterior (dorsal) column 
D)  spinothalamic 
E)  both posterior (dorsal) column and spinothalamic

Question 20

The ________ is important in storage and recall of new long-term memories.

Accepted Answer

A)  amygdaloid body 
B)  cingulate gyrus 
C)  mamillary bodies 
D)  hippocampus 
E)  fornix 
A)  amygdaloid body 
B)  cingulate gyrus 
C)  mamillary bodies 
D)  hippocampus 
E)  fornix

Exam 13: The Brain and Cranial Nerves

The cerebellum

The control of heart rate and blood pressure is based in the

A receptor that responds to chemicals dissolved in solution is a ________.

Which of the cranial nerves is named for the fact that it "wanders," that is, innervates structures throughout the thorax and abdomen?

The corpus callosum is composed of

The internal capsule of the cerebrum is composed of

The area of the motor cortex that is devoted to a particular region of the body is proportional to the

The conversion of a sensory input to a change in membrane potential in the receptor is known as ________.

Descending (motor) pathways always involve at least ________ motor neuron(s).

Difficulty in swallowing may be a sign of damage to which cranial nerve(s)?

The ________ integrate(s) sensory information for projection to the association areas of the cerebral cortex.

A person with a damaged visual association area may be

Alzheimer disease is characterized by all of the following, except that it

Thalamic neurons that synapse in the the primary sensory cortex are ________ neurons.

A highly sensitive tactile receptor composed of dendritic processes of a single myelinated fiber that makes contact with specialized cells of the stratum germinativum is a

Sensory neurons that are normally inactive but can become active for a short time are called ________ receptors.

As you ascend from the medulla oblongata to the cerebrum, the functions of each successive level become

The cerebellar hemispheres are separated by a band of cortex called the

Which ascending tract carries the sensations for fine touch and vibration?

The ________ is important in storage and recall of new long-term memories.

An Introduction to Anatomy and Physiology

Chemical Level of Organization

Cellular Level of Organization

Tissue Level of Organization

The Integumentary System

Osseous Tissue and Bone Structure

The Skeleton

Articulations

Skeletal Muscle Tissue

The Muscular System

Neural Tissue

The Spinal Cord, Spinal Nerves, and Spinal Reflexes

The Autonomic Nervous System

The Special Senses

The Endocrine System

Blood and Blood Vessels

The Heart and Cardiovascular Function

The Lymphatic System and Immunity

The Respiratory System

The Digestive System

Metabolism and Energetics

The Urinary System

Fluid, Electrolyte, and Acid-Base Balance

The Reproductive System

Development and Inheritance

Filters