USA neuroscience exam 2 QUESTIONS
AND CORRECT ANSWERS
muscle spindle senses: - CORRECT ANSWER proprioception
golgi tendon organ senses: - CORRECT ANSWER proprioception
meissner's corpuscle senses: - CORRECT ANSWER light touch
merkel's receptor senses: - CORRECT ANSWER 2 pt discrimination
Pacinian corpuscle senses: - CORRECT ANSWER deep touch, vibration
ruffini ending senses - CORRECT ANSWER deep touch, vibration
hair receptor senses: - CORRECT ANSWER lighter touch, vibration
bare nerve ending senses: - CORRECT ANSWER pain, warm/cold, itch
A-alpha sensory neuron fiber characteristics - CORRECT ANSWER alternate name: I
larger diameter, myelinated,
includes muscle spindle and GTO
spinocerebellar tract
A-beta sensory neuron fiber characteristics - CORRECT ANSWER Alterate name: II
, smaller than alpha but larger than other 2, myelinated
includes muscle spindle, meissner's corpuslce, merkel's receptor, pacinian corpuslce, ruffini
ending
DCML tract
A-delta sensory neuron fiber characteristics - CORRECT ANSWER alternate name: III
smaller, myelinated
includes bare nerve endings for pain, cool temp, and itch
Anterior lateral spinothalamic tract A pain
C sensory neuron fiber characteristics - CORRECT ANSWER alternate name: IV
smallest, unmyelinated
bare nerve ending for pain, hot temp, itch
anterolateral spinothalamic tract C pain
Functions of thalamus - CORRECT ANSWER Filters incoming info to go to certain
areas of the game
Relay center, integrates and relays sensory info, integrates and relays motor control info from
cerebellum and basal ganglia to motor cortex
AND CORRECT ANSWERS
muscle spindle senses: - CORRECT ANSWER proprioception
golgi tendon organ senses: - CORRECT ANSWER proprioception
meissner's corpuscle senses: - CORRECT ANSWER light touch
merkel's receptor senses: - CORRECT ANSWER 2 pt discrimination
Pacinian corpuscle senses: - CORRECT ANSWER deep touch, vibration
ruffini ending senses - CORRECT ANSWER deep touch, vibration
hair receptor senses: - CORRECT ANSWER lighter touch, vibration
bare nerve ending senses: - CORRECT ANSWER pain, warm/cold, itch
A-alpha sensory neuron fiber characteristics - CORRECT ANSWER alternate name: I
larger diameter, myelinated,
includes muscle spindle and GTO
spinocerebellar tract
A-beta sensory neuron fiber characteristics - CORRECT ANSWER Alterate name: II
, smaller than alpha but larger than other 2, myelinated
includes muscle spindle, meissner's corpuslce, merkel's receptor, pacinian corpuslce, ruffini
ending
DCML tract
A-delta sensory neuron fiber characteristics - CORRECT ANSWER alternate name: III
smaller, myelinated
includes bare nerve endings for pain, cool temp, and itch
Anterior lateral spinothalamic tract A pain
C sensory neuron fiber characteristics - CORRECT ANSWER alternate name: IV
smallest, unmyelinated
bare nerve ending for pain, hot temp, itch
anterolateral spinothalamic tract C pain
Functions of thalamus - CORRECT ANSWER Filters incoming info to go to certain
areas of the game
Relay center, integrates and relays sensory info, integrates and relays motor control info from
cerebellum and basal ganglia to motor cortex
