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Flashcards in ANS Deck (24)
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1
Q

Dominance (predominant tone)

Arterioles and veins

A

Sympathetic (adrenergic)

2
Q

Dominance (predominant tone)

Heart

A

Parasympathetic

3
Q

Dominance (predominant tone)

Radial muscle of the iris

A

Sympathetic alpha adrenergic

4
Q

Dominance (predominant tone)

Sphincter and ciliary muscle of the eye

A

Parasympathetic

5
Q

Dominance (predominant tone)Bronchial smooth muscle

A

Parasympathetic

6
Q

Dominance (predominant tone)

GIT and urinary tract

A

Parasympathetic

7
Q

Dominance (predominant tone)

Salivary glands

A

Parasympathetic

8
Q

Dominance (predominant tone)

Sweat glands

A

sympathetic (cholinergic) - exocrine

alpha-adrenergic apocrine

9
Q

Alpha 1 tissue affect and action

A

vascular smooth muscle - contraction
pupillary dilator - radial muscle contraction
Heart- contraction
Urinary sphincter contraction

10
Q

Alpha 2 tissue affect and action

A
  • adrenergic/cholinergic nerve terminals - inhibition of transmitter release
  • vascular smooth muscle: contraction
    Vasoconstriction
    inhibits adenylyl cyclase to decrease cAMP
11
Q

Beta 1 tissue affect and action

A

increased Heart rate, juxtaglomerular cells increased contraction; increases renin release

12
Q

Beta 2 tissue affect and action

A

Vascular smooth muscle - relaxation
Skeletal muscle - promotes Potassium uptake
stimulate adenyly cyclase, and increase cAMP

13
Q

Beta 3 tissue affect and action

A

Fat cells- activates lipolysis

14
Q

Adrenergic neurotransmitter

A

Norepinephrine

15
Q

Cholinergic neurotransmitter

A

Epinephrine

16
Q

Receptor type for alpha and beta

A

Metabotropic

17
Q

Receptor types for nicotinic

A

ionotropic

18
Q

Receptor types for muscarinic

A

metabotropic

19
Q

Ionotropic receptor

A

ligand gated ion channels

20
Q

Metabotropic receptor

A

not ion channels, they are complexed to intracellular cascades, G protein

21
Q

Agonistic activity

A
  • drug acts as precursor
  • drug stimulates release of NT
  • Drug stimulates postsynaptic receptors
  • Drug blocks autoreceptors, increases NT
  • Drug blocks reuptake
  • Drug inactivates AChE
22
Q

Antagonistic activity

A
  • Drug inactivates synthetic enzyme, inhibits synthesis NT
  • Drug prevents storage of NT in vesicles
  • Drug inhibits release of NT
  • Drug stimulates autoreceptors, inhibits synthesis/release NT
  • Drug blocks postsynaptic receptor
23
Q

M1, M3, and M5 tissue affect and action

A

smooth muscle contraction (bronchoconstriction
Vasodilation
Activate phospholipase C

24
Q

M2 and M4 tissue affect and action

A

Decrease HR and decreased contractility.

Inhibit adenylate cyclase