lecture 9

Question 1

adrenaline

Answer 1

hormone, binds all alpha and beta receptors

Question 2

noradrenaline

Answer 2

neurotransmitter, mostly is retaken up, binds mostly alpha receptors

Question 3

alpha adrenoreceptor

Answer 3

everything to do with calming down the body, vasodilation/constriction

Question 4

beta adrenoreceptor

Answer 4

have to do with metabolism, also cardiac arrest and allergies

Question 5

alpha 2 receptor

Answer 5

presynaptic autoreceptor, inhibition of AC, noradrenaline release

Question 6

isoprenaline

Answer 6

binds all beta receptors

Question 7

alpha 1/2 receptor

Answer 7

smooth muscles, glands

Question 8

beta 1 receptor

Answer 8

heart (metabolism)

Question 9

beta 2 receptor

Answer 9

smooth muscles, metabolism, bronchial dilation

Question 10

beta 3 receptor

Answer 10

lipolysis

Question 11

clonidine, oxymetazoline

Answer 11

bind alpha 2 receptor

Question 12

phenylephrine

Answer 12

binds alpha 1 receptor

Question 13

fenoterol, salbutamol

Answer 13

bind beta 2 receptor, short acting inhalation drugs

Question 14

PLC is activated by which subunits of which proteins

Answer 14

beta gamma of Gi and alpha of Gq, causing vasoconstriction

Question 15

positive chronotrope

Answer 15

Na+, increases heart rate, SA node

Question 16

positive inotrope

Answer 16

Ca2+, increases heart contractility, cardiac muscles

Question 17

arrythmia

Answer 17

permanent change in heart rate or heartbeat

Question 18

adams stoke attack

Answer 18

too much ACh can activate a too active vagus causing fainting

Question 19

renin (kidneys)

Answer 19

alpha 2 decreases renin, beta 1 increases renin

Question 20

tyramine

Answer 20

helps sodium and NA get into presynaptic area and NA also in vesicles once its there