ANS receptors/neurotransmitters

Question 1

cause increase in production of aqueous humor, increasing intraocular pressure

Answer 1

beta receptors

Question 2

constrict blood vessels in the skin and skeletal muscle

Answer 2

a1 receptors

Question 3

promote ejaculation

Answer 3

a1 receptors

Question 4

alpha and beta receptors bind

Answer 4

norepinephrine

Question 5

alpha 1 acts on

Answer 5

Gq

Question 6

increased salivary and lacrimal gland secretions

Answer 6

M1 and M3 receptors

Question 7

Gq pathway

Answer 7

activates phospholipase C, producing IP3 and DAG, which causes Ca++ increase and activation of protein kinases

Question 8

nicotinic subtype found on postganglionic neurons and presynaptic terminals

Answer 8

Nn

Question 9

relax the bronchioles

Answer 9

B2 receptors

Question 10

contract the urinary sphincter

Answer 10

a1 receptors

Question 11

D1 pathway

Answer 11

stimulates adenylyl cyclase

Question 12

voluntary motor neurons are:

Answer 12

cholinergic

Question 13

most post-ganglionic sympathetic neurons are

Answer 13

noradrenergic

Question 14

nerves innervating the adrenal medulla are

Answer 14

cholinergic

Question 15

post-ganglionic sympathetics to renal vasculature release

Answer 15

dopamine

Question 16

promote erection

Answer 16

M3 receptors

Question 17

most post-ganglionic sympathetic neurons release

Answer 17

norepinephrine

Question 18

all pre-ganglionic receptors are

Answer 18

nicotinic

Question 19

accommodation of the lens for near vision

Answer 19

M3 receptors

Question 20

nicotinic subtype found at neuromuscular junction of skeletal muscle

Answer 20

Nm

Question 21

voluntary motor neurons release

Answer 21

acetylcholine

Question 22

decreases ocular pressure by unknown mechanism

Answer 22

alpha receptors

Question 23

Relax sphincters allowing for defecation

Answer 23

M3 receptors

Question 24

the adrenal cortex releases

Answer 24

epinephrine and norepinephrine

Question 25

post-ganglionic sympathetic receptors on renal vasculature are

Answer 25

D1

Question 26

nerves innervating the adrenal medulla release

Answer 26

acetylcholine

Question 27

all beta receptors act on

Answer 27

Gs

Question 28

all post-ganglionic parasympathetic receptors are

Answer 28

muscarinic

Question 29

most post-ganglionic sympathetic receptors are

Answer 29

alpha or beta

Question 30

M1 acts on

Answer 30

Gq

Question 31

cause bronchoconstriction and increase mucous secretion in the lung

Answer 31

M3 receptors

Question 32

M3 acts on

Answer 32

Gq

Question 33

post-ganglionic sympathetic neurons innervating sweat glands are

Answer 33

cholinergic

Question 34

somatic skeletal muscle receptors are

Answer 34

nicotinic

Question 35

muscarinic receptors bind

Answer 35

acetylcholine

Question 36

relax base of bladder and urinary sphincter

Answer 36

M3 receptors

Question 37

increase heart rate, AV conduction, and contractility

Answer 37

B1, some B2 receptors

Question 38

constriction of nasal blood vessels, decreasing congestion

Answer 38

a1 receptors

Question 39

presynaptic receptors on cholinergic nerve terminals that decrease ACh release

Answer 39

M2 receptors

Question 40

relax blood vessels in skeletal muscle

Answer 40

B2 receptors

Question 41

slow the heart, decrease SA node activity, and AV conduction

Answer 41

M2 receptors

Question 42

post-ganglionic sympathetic neurons innervating sweat glands release

Answer 42

acetylcholine

Question 43

cause miosis

Answer 43

M3 receptors

Question 44

all pre-ganglionic neurons are

Answer 44

cholinergic

Question 45

baroreceptor response for reflex bradycardia is mediated by

Answer 45

M2 receptors

Question 46

relax the pregnant uterus

Answer 46

B2 receptors

Question 47

nicotinic receptors bind

Answer 47

acetylcholine

Question 48

increases gastric acid secretions, stimulate contraction of GI tract wall, increase motility

Answer 48

M3 receptors

Question 49

alpha 2 acts on

Answer 49

Gi

Question 50

Gi pathway

Answer 50

inhibits adenylyl cyclase, decreasing cAMP. opens K+ channels→ hyperpolarizing neurons

Question 51

post-ganglionic sympathetic receptors on sweat glands are

Answer 51

muscarinic

Question 52

increase activity of apocrine and salivary glands

Answer 52

a1 receptors

Question 53

cholinergic neurons release

Answer 53

acetlycholine

Question 54

all pre-ganglionic neurons release

Answer 54

acetylcholine

Question 55

relax walls of GI tract

Answer 55

a2 and B2 receptors

Question 56

Gs pathway

Answer 56

stimulate adenylyl cyclase to increase cAMP

Question 57

contraction of the ciliary muscle and constriction of the pupil by __________ widens space in trabecular meshwork and allows aqueous humor to drain

Answer 57

parasympathetic stimulation (M3)

Question 58

contract bladder wall

Answer 58

M3 receptors

Question 59

all receptors in ganglion

Answer 59

nicotinic

Question 60

relax the urinary bladder

Answer 60

B3 receptors

Question 61

all post-ganglionic parasympathetic neurons are

Answer 61

cholinergic

Question 62

increase sweating

Answer 62

M3 sympathetic receptors

Question 63

presynaptic receptors on noradrenergic nerve terminals that decrease norepinephrine release

Answer 63

a2 receptors

Question 64

M2 acts on

Answer 64

Gi

Question 65

receptors in the adrenal medulla

Answer 65

nicotinic

Question 66

mydriasis

Answer 66

a1 receptors