Adrenergic and Cholinergic Topics

Question 1

Alpha 1

Signal Pathway and Actions (4)

Answer 1

Gq pathway

Vasoconstriction
Dilates Pupil
Contracts Prostate
Increases Heart Contractility

Question 2

Alpha 2

Signal Pathway and Actions (4)

Answer 2

Gi pathway

Platelet aggregation
Decreases NE release (decreases BP)
Vasoconstriction
Inhibits Lipolysis

Question 3

Beta 1

Signal Pathway and Actions (3)

Answer 3

Gs pathway

Increased HR
Increased Contractility
Increased Renin

Question 4

Beta 2

Signal Pathway and Actions (3)

Answer 4

Gs pathway

Dilates bronchial SM
Vasodilation
Increased glycogenolysis/gluconeogenesis

Question 5

Eye Parasympathetics

Receptors (2) and Effects (3)

Answer 5

M2 and M3

Pupil constricts (miosis)
Ciliary M. contraction (accomodation)
Increased lacrimal secretion

Question 6

Heart Parasympathetics

Receptor and Effects (3)

Answer 6

M2

Decreased HR
Decreased contractility
Decreased conduction

Question 7

Lung Parasympathetics

Receptors (2) and Effects (2)

Answer 7

M2 and M3

Bronchoconstriction
Increased bronchial secretions

Question 8

GI Parasympathetics

Receptors (2) and Effects (3)

Answer 8

M2 and M3

Increased motility
Relaxed sphincters
Increased secretions

Question 9

Bladder Parasympathetics

Receptor and Effects (2)

Answer 9

M3

Voiding:
Detrusor contraction
Sphincter relaxation