Somatosensation — Flashcards

Flashcard 1: Which types of sensory receptor adapt quickly? _____ and Meissner corpuscles

Answer: Pacinian corpuscles

Flashcard 2: _____ and Ruffini end organ are slowly adapting mechanoreceptors

Answer: Merkel's disc

Flashcard 3: Wave V of BERA is produced by the _____

Answer: inferior colliculus

Extra: BERA (Brainstem Evoked Response Audiometry) waves: I: Auditory nerve II: Cochlear nucleus III: Superior olivary complex IV: Lateral lemniscus V: Inferior colliculus (most stable/prominent wave) Mnemonic: **E.CO.L.I.**

Flashcard 4: The process of _____ underlies the ability to discriminate two points applied simultaneously on the skin

Answer: lateral inhibition

Flashcard 5: What stimuli do Merkel's discs respond to?_____

Answer: Edges and points

Flashcard 6: Which types of sensory receptor adapt slowly? _____ and Merkel discs

Answer: Ruffini corpuscles

Flashcard 7: Umami tastes are sensed by the activation of _____ receptors.

Answer: G-protein coupled

Flashcard 8: What stimuli do Meissner's corpuscles respond to?

Answer: Tap and flutter

Flashcard 9: Accommodation (near response) occurs via contraction of the _____ muscle, which relaxes the suspensory ligaments and allows the lens to become more round

Answer: ciliary

Flashcard 10: What senses are impaired with zinc deficiency? _____ and smell (anosmia)

Answer: taste (dysgeusia)