Question 1

A person is only truly in a coma when all reflex activity ceases.

Accepted Answer

A) True 
 B)False

Question 2

Referred pain site for the kidneys

Accepted Answer

A)   A
B)   B
C)   C
D)   D

Question 3

Final common pathways consist of:

Accepted Answer

A)   upper motor neurons.
B)   lower motor neurons.
C)   upper and lower motor neurons.
D)   interneurons.

Question 4

Make a diagram showing the locations of the neuronal components of the anterolateral (spinothalamic) pathways and describe the functions of the pathways.

Accepted Answer

See Fig. 2...

Question 5

Which of the following is a sensation that is NOT carried by the spinothalamic pathways?

Accepted Answer

A)   pain
B)   itch
C)   tickle
D)   proprioception

Question 6

Select the best description for the function of the tectospinal tract:

Accepted Answer

A)   impulses for coordination of movements of the trunk and proximal parts of the limbs
B)   impulses that move the head and eyes in response to visual or auditory stimuli
C)   conveys nerve impulses from motor cortex to skeletal muscles of head and neck to coordinate precise, voluntary movements
D)   impulses for subconscious proprioception
E)   impulses for precise voluntary movements of the hands and feet

Question 7

Which of the following develop as specialized muscle fibers?

Accepted Answer

A)   tendon organs
B)   hair cells of the inner ear
C)   muscle spindles
D)   joint kinesthetic receptors

Question 8

Which of the following cutaneous receptors are responsible for fine touch?
1)  type I cutaneous mechanoreceptors
2)  end organs of Ruffini
3)  type II cutaneous mechanoreceptors
4)  corpuscles of touch (Meissner corpuscles)

Accepted Answer

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

Question 9

Visceral senses and somatic senses are grouped together in the class called general senses.

Accepted Answer

A) True 
 B)False

Question 10

The majority of commands from the motor cortex to skeletal muscles travel via the anterior corticospinal tracts in the spinal cord.

Accepted Answer

A) True 
 B)False

Question 11

Ascending somatic sensory pathways to the cerebral cortex consist of thousands of sets of three neurons: first-order neurons, second-order neurons, and third-order neurons.

Accepted Answer

A) True 
 B)False

Question 12

The receptors for pain:

Accepted Answer

A)   are free nerve endings called nociceptors.
B)   may be stimulated by chemicals released by injured tissues.
C)   respond to any type of stimulus if it is of sufficient intensity.
D)   all of these choices

Question 13

Which of the following is classified as a special sense?

Accepted Answer

A)   touch
B)   pain
C)   equilibrium
D)   vibration

Question 14

_____ is the conscious awareness and interpretation of a sensation.

Accepted Answer

A)   Modality
B)   Adaptation
C)   Perception
D)   Integration
E)   Proprioception

Question 15

Which of the following proprioceptors contain dendrites of slowly adapting sensory neurons?
1)  muscle spindles
2)  tendon organs
3)  joint kinesthetic receptors

Accepted Answer

A)   1 only
B)   2 only
C)   3 only
D)   1 and 2

Question 16

Tendon organs contain intrafusal fibers.

Accepted Answer

A) True 
 B)False

Question 17

Proprioceptive information may be conveyed to the cerebellum via sensory neurons that travel in spinocerebellar tracts.

Accepted Answer

A) True 
 B)False

Question 18

_____ is defined as the conscious or subconscious awareness of changes in the external or internal conditions of the body.

Accepted Answer

A)   Sensation
B)   Adaptation
C)   Perception
D)   Reception

Question 19

Pyramidal pathways:

Accepted Answer

A)   innervate skeletal muscles only.
B)   contain upper motor neurons and lower motor neurons.
C)   extend from the cerebral cortex, through the medulla, and then to their destination, either through cranial nerves or through spinal cord tracts and spinal nerves.
D)   all of these choices

Question 20

The receptors for pain, temperature, itch and tickle are all free nerve endings.

Accepted Answer

A) True 
 B)False

Exam 20: Somatic Senses and Motor Control

Ascending somatic sensory pathways to the cerebral cortex consist of thousands of sets of three neurons: first-order neurons, second-order neurons, and third-order neurons.

Correct AnswerverifiedShow Answer

_____ is defined as the conscious or subconscious awareness of changes in the external or internal conditions of the body.

Correct AnswerverifiedShow Answer

The receptors for pain:

Correct AnswerverifiedShow Answer

Which of the following is a sensation that is NOT carried by the spinothalamic pathways?

Correct AnswerverifiedShow Answer

Final common pathways consist of:

Correct AnswerverifiedShow Answer

_____ is the conscious awareness and interpretation of a sensation.

Correct AnswerverifiedShow Answer

Which of the following is classified as a special sense?

Correct AnswerverifiedShow Answer

Pyramidal pathways:

Correct AnswerverifiedShow Answer

Referred pain site for the kidneys

Correct AnswerverifiedShow Answer

The receptors for pain, temperature, itch and tickle are all free nerve endings.

Correct AnswerverifiedShow Answer

Which of the following cutaneous receptors are responsible for fine touch? 1) type I cutaneous mechanoreceptors 2) end organs of Ruffini 3) type II cutaneous mechanoreceptors 4) corpuscles of touch (Meissner corpuscles)

Correct AnswerverifiedShow Answer

Tendon organs contain intrafusal fibers.

Correct AnswerverifiedShow Answer

Visceral senses and somatic senses are grouped together in the class called general senses.

Correct AnswerverifiedShow Answer

The majority of commands from the motor cortex to skeletal muscles travel via the anterior corticospinal tracts in the spinal cord.

Correct AnswerverifiedShow Answer

Which of the following develop as specialized muscle fibers?

Correct AnswerverifiedShow Answer

Which of the following proprioceptors contain dendrites of slowly adapting sensory neurons? 1) muscle spindles 2) tendon organs 3) joint kinesthetic receptors

Correct AnswerverifiedShow Answer

Make a diagram showing the locations of the neuronal components of the anterolateral (spinothalamic) pathways and describe the functions of the pathways.

Correct AnswerverifiedSee Fig. 2...View AnswerShow Answer

Proprioceptive information may be conveyed to the cerebellum via sensory neurons that travel in spinocerebellar tracts.

Correct AnswerverifiedShow Answer

Select the best description for the function of the tectospinal tract:

Correct AnswerverifiedShow Answer

A person is only truly in a coma when all reflex activity ceases.

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
See Fig. 2...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified