Deck 20: Special Senses

Question 1

Merkel cells are pressure-sensitive cells found in which location?

A) Cochlea
B) Crista ampullaris
C) Epidermis
D) Muscle spindles
E) Reticular dermis of the skin

Answer 1

C

Question 2

Name an unusual,identifying anatomic feature of the stria vascularis of the cochlea:

A) Presence of capillaries within the surface epithelium
B) Presence of crystalline deposits called otoconia
C) Presence of Meissner's corpuscles within the stria vascularis
D) Presence of pacinian corpuscles within the stria vascularis
E) Stratified cuboidal layer of epithelial cells

Answer 2

A

Question 3

Bowman's glands are associated with which sensory structure?

A) Crista ampullaris
B) Golgi tendon organs
C) Macula utriculae
D) Olfactory epithelium
E) Taste bud of circumvallate papilla

Answer 3

D

Question 4

Reissner's membrane is present in which structure of the ear?

A) Cochlea
B) Oval window
C) Round window
D) Tympanic membrane
E) Utricle

Question 5

In the ear,the maculae of the utricle and saccule are specialized to respond to which sensory stimulus?

A) Angular acceleration
B) Gravity
C) Increases in Na⁺ ions within endolymph
D) Sound frequency
E) Sound intensity

Question 6

The helicotrema is a small,fluid-filled channel located:

A) At the apex of the cochlea
B) Beneath the capsule of a muscle spindle
C) In the nasal cavity
D) Near the oval window of the middle ear
E) Within the organ of Corti