Chapter 14 MCQ

Question 1

What type of receptor cell is responsible for transducing pain stimuli?
a. mechanoreceptor
b. nociceptor
c. osmoreceptor
d. photoreceptor

Answer 1

b) Nociceptor

Question 2

Which of these cranial nerves is part of the gustatory system?
A.) olfactory
B.) trochlear
C.) trigeminal
D.) facial

Answer 2

d) Facial

Question 3

Which submodality of taste is sensitive to the pH of saliva?
a. umami
b. sour
c. bitter
d. sweet

Answer 3

b) Sour

Question 4

xons from which neuron in the retina make up the optic nerve?
a) amacrine cells
b)photoreceptors
c)bipolar cells
d) retinal ganglion cells

Answer 4

d) Retinal Ganglion Cells

Question 5

What type of receptor cell is involved in the sensations of sound and balance?
a. photoreceptor
b. chemoreceptor
c. mechanoreceptor
d. nociceptor

Answer 5

c) Mechanoreceptor

Question 6

Which of these sensory modalities does not pass through the ventral posterior thalamus?
a. gustatory
b. proprioception
c. audition
d. nociception

Answer 6

c) Audition

Question 7

Which nucleus in the medulla is connected to the inferior colliculus?
a. solitary nucleus
b. vestibular nucleus
c. chief sensory nucleus
d. cochlear nucleus

Answer 7

d) Cochlear Nucleus

Question 8

Visual stimuli in the upper-left visual geld will be processed in what region of the primary visual cortex?
a. inferior right
b. inferior left
c. superior right
d. superior left

Answer 8

d) Superior Left

Question 9

Which location on the body has the largest region of somatosensory cortex representing it, according to the sensory homunculus?
a. lips
b. thigh
c. elbow
d. neck

Answer 9

a) Lips

Question 10

Which of the following is a direct target of the vestibular ganglion?
a. superior colliculus
b. cerebellum
c. thalamus
d. optic chiasm

Answer 10

b) Cerebellum

Question 11

Which region of the frontal lobe is responsible for initiating movement by directly connecting to cranial and spinal motor neurons?
a. prefrontal cortex
b. supplemental motor area
c. premotor cortex
d. primary motor cortex

Answer 11

d) Primary Motor Cortex

Question 12

Which extrapyramidal tract incorporates equilibrium sensations with motor commands to aid in posture and movement?
a. tectospinal tract
b. vestibulospinal tract
c. reticulospinal tract
d. corticospinal tract

Answer 12

b) Vestibulospinal Tract

Question 13

Which region of gray matter in the spinal cord contains motor neurons that innervate skeletal muscles?
a. ventral horn
b. dorsal horn
c. lateral horn
d. lateral column

Answer 13

a) Ventral Horn

Question 14

What type of reflex can protect the foot when a painful stimulus is sensed?
a. stretch reflex
b. gag reflex
c. withdrawal reflex
d. corneal reflex

Answer 14

d) Corneal Reflex

Question 15

What is the name for the topographical representation of the sensory input to the somatosensory cortex?
a. homunculus
b. homo sapiens
c. postcentral gyrus
d. primary cortex

Answer 15

a) Homunculus.