PANS Receptors

Question 1

Most organs are dually innervated, save for ___

Answer 1

blood vessels - sympathetic only

Question 2

Branches of the ANS exert opposite effects, except for on ___

Answer 2

saliva secretion

sympathetic: profuse and watery
parasympathetic: scant and viscous

Question 3

Predominant control on tone is exerted by the ___ branch, EXCEPT for vasculature

Answer 3

parasympathetic

Question 4

The ___ NS is essential for life

Answer 4

parasympathetic

Question 5

Muscarinic receptors ___ heart rate and AV conduction rate

Answer 5

lower

Question 6

Muscarinic receptors lead to broncho___

Answer 6

constriction

Question 7

Muscarinic receptors lead to increased GI ___

Answer 7

secretions, motor activity, relaxation of sphincters

Question 8

Muscarinic receptors effect on GU:

Answer 8

promote voiding

Question 9

Nicotinic muscular receptors at located at ___ and promote ___

Answer 9

the NMJ, contraction

Prolonged stimulation can cause depol blockade

Question 10

Nictonic neural receptors at CV system produces ___ effects

Answer 10

sympathetic (tachycardia, vasoconstriction)

Question 11

Nictonic neural receptors at GI/GU system produces ___ effects

Answer 11

parasympathetic (n/v/d, urination)

Question 12

Adrenergic receptors at the vasular system are mainly of the ___ subtype which produce vasoconstriction and ___ which produce vasodilation

Answer 12

α1; β2

Question 13

Adrenergic receptors at the heart at primarily ___ subtype, stimulation produces ___

Answer 13

β1; increased ionotropy, chronotropy, conduction velocity

Question 14

Fill in the adrenergic receptor subtype:

___: Vasoconstriction increases TPR and BP (reflex bradycardia occurs)
___: Increased heart rate and increased force of contraction increases CO and BP
___: Vasodilation decreases TPR and BP (reflex tachycardia occurs)
___: Decrease in SNS outflow (via action in CNS) decreases BP

Answer 14

α1
β1
β2
α2

don’t cheat bitch

Question 15

Fill in the adrenergic receptor subtype:

___: Vasodilation decreases TPR and BP (reflex tachycardia occurs)
___: Vasoconstriction increases TPR and BP (reflex bradycardia occurs)
___: Increased heart rate and increased force of contraction increases CO and BP
___: Decrease in SNS outflow (via action in CNS) decreases BP

Answer 15

β2
α1
β1
α2

don’t cheat bitch

Question 16

___ (NT) acts on β1 receptors of JG cells to stimulate release of renin

Answer 16

Norepi

Question 17

Stimulation of ___ adrenergic receptors at the lung produces bronchodilation

Answer 17

β2

Question 18

Blood vessels are dilated by sympathetic function via ___ receptors, while α1 receptors produce vasoconstriction

Answer 18

β2

Question 19

The ANS shares ___ (NT) with the somatic NS

Answer 19

ACh

Question 20

Most of the clinically useful drugs exert effects on the ___ neurons of the ANS

Answer 20

efferent

Question 21

In the PNS, ___ receptors are at the ganglia while ___ receptors are at the target organ

Answer 21

nicotinic; muscarinic