Lecture 9- Reflex Flashcards
1
Q
Components of a reflex arc-
A
Sensory receptor
Sensory neuron
Synapse
Motor neuron
Target organ
2
Q
Which reflexes are segmental?
A
Patellar reflex, withdrawal reflex, pupillary light reflex
3
Q
Which nerves does the patellar reflex test?
A
femoral nerve and L4-L6
4
Q
Which nerves does the withdrawal reflex test?
A
Sciatic, L6-S1
5
Q
What nerves does the pupillary light reflex test?
A
Optic nerve and CN III
6
Q
Do segmental or intersegmental reflexes travel to the brain?
A
Intersegmental
7
Q
Which reflexes are intersegmental?
A
Proprioceptive positioning, and ataxia
8
Q
What causes ataxia
A
A loss of proprioception
