Class 4 - ANS Reflexes Flashcards
1
Q
What's unique about the following structures? sweat glands most blood vessels, systemic veins adrenal medulla arrector pili & radial muscle of iris kidneys pineal gland adipose tissue, spleen posterior pituitary
A
they all have sympathetic innervation only
2
Q
Only ONE body structure is NOT innervated by the SNS:
A
constrictor muscle of the iris
3
Q
In a fight or flight response, what organs do blood vessels constrict within?
A
kidneys, GI tract
4
Q
In a fight or flight response, blood vessels dilate in which essential organs?
A
skeletal mm
heart mm
liver
adipose tissue
5
Q
The ____ parts of the hypothalamus control the SNS division, whereas the ___ parts control the PNS division of the ANS
A
posterolateral
anteromedial
6
Q
Orthostatic hypertension is caused by dysfunction of a ___ reflex
A
sympathetic
