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FNP 🧠 > 12 - Simple Reflexes > Flashcards

12 - Simple Reflexes Flashcards

1
Q

define reflex?

A

stereotypes involuntary

to a specific sensory input

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2
Q

need for reflexes?

A

protection
posture control
homeostasis

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3
Q

pathway in a muscle spindle?

A

axon
synapse in ventral horn
motor back to effector

MONOSYNAPTIC PATHWAY

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4
Q

how does a reflex occur [muscle spindles]

A 
muscle stretch [mechanore]
over threshold
action potential in afferent
release NT excitatory
excites motor [release ACh]
muscle contract
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5
Q

understand knee jerk reflex?

A

.

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6
Q

pathway in a GOLGI Torgan?

A

sensory neurone
INHIBITORY inteneurnone
motor efferent

POLYSYNAPTIC

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7
Q

myotatic and inverse myotatic?

A

myotatic
increase sensory activity = increases effector activity

inevre m
increase sen = decreased effector activity

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8
Q

understand crossed extensor muscle example?

A

.

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FNP 🧠 (13 decks)

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