Question 1

The cerebellum adjusts motor activity in response to all of the following, except

Accepted Answer

A)  visual information. 
B)  input from the motor cortex. 
C)  equilibrium- related sensations. 
D)  touch sensations. 
E)  input from proprioceptors. 
A)  visual information. 
B)  input from the motor cortex. 
C)  equilibrium- related sensations. 
D)  touch sensations. 
E)  input from proprioceptors.

Question 2

Most vital organs receive _______ innervation. That is, they receive input from both sympathetic and parasympathetic divisions.

Accepted Answer

The answer of Most vital organs receive _______ innervation. That...

Question 3

Conscious and subconscious motor commands control skeletal muscles by traveling over the

Accepted Answer

A)  lateral pathway. 
B)  medial pathway. 
C)  corticospinal pathway. 
D)  any of the above 
E)  A and C only 
A)  lateral pathway. 
B)  medial pathway. 
C)  corticospinal pathway. 
D)  any of the above 
E)  A and C only

Question 4

Which of the following kinds of information do fine- touch and light- pressure mechanoreceptors provide?

Accepted Answer

A)  shape of the stimulus. 
B)  movement of the stimulus. 
C)  location of the stimulus. 
D)  texture of the stimulus. 
E)  all of the above 
A)  shape of the stimulus. 
B)  movement of the stimulus. 
C)  location of the stimulus. 
D)  texture of the stimulus. 
E)  all of the above

Question 5

Mary accidentally ate poison mushrooms that contain muscarine. What symptoms would you expect to observe?

Accepted Answer

A)  very low heart rate 
B)  salivation 
C)  diarrhea 
D)  sweating 
E)  all of the above 
A)  very low heart rate 
B)  salivation 
C)  diarrhea 
D)  sweating 
E)  all of the above

Question 6

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

Accepted Answer

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

Question 7

Axons that decussate between the pyramids of the medulla oblongata belong to the ____tracts.

Accepted Answer

A)  lateral corticospinal 
B)  reticulospinal 
C)  anterior corticospinal 
D)  rubrospinal 
E)  vestibulospinal 
A)  lateral corticospinal 
B)  reticulospinal 
C)  anterior corticospinal 
D)  rubrospinal 
E)  vestibulospinal

Question 8

Upper motor neurons are located in the

Accepted Answer

A)  precentral gyrus. 
B)  spinal cord. 
C)  brain stem. 
D)  postcentral gyrus. 
E)  both A and C 
A)  precentral gyrus. 
B)  spinal cord. 
C)  brain stem. 
D)  postcentral gyrus. 
E)  both A and C

Question 9

The spinal tract that relays information concerning crude touch and pressure to the CNS is the

Accepted Answer

A)  posterior spinocerebellar. 
B)  lateral spinothalamic. 
C)  anterior spinothalamic. 
D)  fasciculus gracilis. 
E)  fasciculus cuneatus. 
A)  posterior spinocerebellar. 
B)  lateral spinothalamic. 
C)  anterior spinothalamic. 
D)  fasciculus gracilis. 
E)  fasciculus cuneatus.

Question 10

In deep sleep,

Accepted Answer

A)  the EEG pattern is characterized as "slow wave." 
B)  rapid eye movements speed up. 
C)  cerebral activity is paradoxically high. 
D)  rapid eye movements are maintained at normal levels. 
E)  A, B, and C 
A)  the EEG pattern is characterized as "slow wave." 
B)  rapid eye movements speed up. 
C)  cerebral activity is paradoxically high. 
D)  rapid eye movements are maintained at normal levels. 
E)  A, B, and C

Question 11

In general, sympathetic preganglionic fibers are ____and postganglionic fibers are_________ .

Accepted Answer

A)  myelinated; unmyelinated 
B)  long; short 
C)  short; long 
D)  both A and B 
E)  both A and C 
A)  myelinated; unmyelinated 
B)  long; short 
C)  short; long 
D)  both A and B 
E)  both A and C

Question 12

The level of tonic activity of autonomic neurons determines the_________ of an individual.

Accepted Answer

The answer of The level of tonic activity of autonomic...

Question 13

When axons cross over from one side of the brain to the other, they are said to_____________

Accepted Answer

The answer of When axons cross over from one side...

Question 14

The medial pathway that controls involuntary movements of head, neck, and arm position in response to sudden visual and auditory stimuli is the ______tract.

Accepted Answer

A)  vestibulospinal 
B)  lateral corticospinal 
C)  tectospinal 
D)  rubrospinal 
E)  reticulospinal 
A)  vestibulospinal 
B)  lateral corticospinal 
C)  tectospinal 
D)  rubrospinal 
E)  reticulospinal

Question 15

Only about______ percent of the information provided by afferent fibers reaches the cerebral cortex and our awareness.

Accepted Answer

A)  10 
B)  1 
C)  95 
D)  50 
E)  25 
A)  10 
B)  1 
C)  95 
D)  50 
E)  25

Question 16

Thermoreceptors

Accepted Answer

A)  are free nerve endings. 
B)  are found within the dermis. 
C)  for "cold" are structurally indistinguishable from those for "warm." 
D)  A and B only 
E)  A, B, and C 
A)  are free nerve endings. 
B)  are found within the dermis. 
C)  for "cold" are structurally indistinguishable from those for "warm." 
D)  A and B only 
E)  A, B, and C

Question 17

Long- term memories that are with you for a lifetime are called

Accepted Answer

A)  reflexive memories. 
B)  tertiary memories. 
C)  secondary memories. 
D)  multilobar memories. 
E)  consolidated memories. 
A)  reflexive memories. 
B)  tertiary memories. 
C)  secondary memories. 
D)  multilobar memories. 
E)  consolidated memories.

Question 18

The term general senses refers to sensitivity to all of the following, except

Accepted Answer

A)  temperature. 
B)  touch. 
C)  taste. 
D)  vibration. 
E)  pain. 
A)  temperature. 
B)  touch. 
C)  taste. 
D)  vibration. 
E)  pain.

Question 19

Drugs known as beta- blockers may be useful for treating

Accepted Answer

A)  excessive heart rate. 
B)  prostate disorders. 
C)  excessive salivation. 
D)  constipation. 
E)  diarrhea. 
A)  excessive heart rate. 
B)  prostate disorders. 
C)  excessive salivation. 
D)  constipation. 
E)  diarrhea.

Question 20

Preganglionic fibers that innervate the collateral ganglia form the

Accepted Answer

A)  sympathetic chain ganglia. 
B)  splanchnic nerves. 
C)  celiac ganglia. 
D)  suprarenal medulla. 
E)  inferior mesenteric ganglia. 
A)  sympathetic chain ganglia. 
B)  splanchnic nerves. 
C)  celiac ganglia. 
D)  suprarenal medulla. 
E)  inferior mesenteric ganglia.

Exam 14: Neural Integration

The cerebellum adjusts motor activity in response to all of the following, except

Most vital organs receive _______ innervation. That is, they receive input from both sympathetic and parasympathetic divisions.

Conscious and subconscious motor commands control skeletal muscles by traveling over the

Which of the following kinds of information do fine- touch and light- pressure mechanoreceptors provide?

Mary accidentally ate poison mushrooms that contain muscarine. What symptoms would you expect to observe?

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

Axons that decussate between the pyramids of the medulla oblongata belong to the ____tracts.

Upper motor neurons are located in the

The spinal tract that relays information concerning crude touch and pressure to the CNS is the

In deep sleep,

In general, sympathetic preganglionic fibers are ____and postganglionic fibers are_________ .

The level of tonic activity of autonomic neurons determines the_________ of an individual.

When axons cross over from one side of the brain to the other, they are said to_____________

The medial pathway that controls involuntary movements of head, neck, and arm position in response to sudden visual and auditory stimuli is the ______tract.

Only about______ percent of the information provided by afferent fibers reaches the cerebral cortex and our awareness.

Thermoreceptors

Long- term memories that are with you for a lifetime are called

The term general senses refers to sensitivity to all of the following, except

Drugs known as beta- blockers may be useful for treating

Preganglionic fibers that innervate the collateral ganglia form the

An Introduction to Anatomy and Physiology

The Chemical Level of Organization

The Cellular Level of Organization

The Tissue Level of Organization

The Integumentary System

Osseous Tissue and Bone Structure

The Skeleton

Articulations

Muscle Tissue

The Muscular System

Neural Tissue

The Spinal Cord, Spinal Nerves, and Spinal Reflexes

The Brain and Cranial Nerves

The Special Senses

The Endocrine System

Blood

The Heart

Blood Vessels and Circulation

The Lymphoid System and Immunity

The Respiratory System

The Digestive System

Metabolism and Energetics

The Urinary System

Fluid, Electrolyte, and Acid-Base Balance

The Reproductive System

Filters

In general, sympathetic preganglionic fibers are and postganglionic fibers are_____ .