Phys Ans & 2Nd Messenger Systems

Front 1

Adrenergic neurons with nicotinic receptors are found in _________fibers of the SNS.

Back 1

postganglionic

Front 2

How does the SNS cause increase in blood flow to the muscles?

Back 2

vasoconstriction increases arterial pressure which increases cardiac output

Front 3

Sympathetic preganglionic fibers enter the paravertebral ganglia through ______________

Back 3

white ramus communicans

Front 4

Name the cranial nerves of the PNS

Back 4

CN III, VII, IX, X

Front 5

Which organ is innervated at the Edinger-Westphal nucleus?

Back 5

eye

Front 6

Parasympathetic innervation of the heart occurs via which cranial nerve?

Back 6

CN X

Front 7

What type of receptor is associated with sweat glands?

Back 7

cholinergic (muscarinic)

Front 8

Gq protein is associated with what type of receptor?

Back 8

adrenergic (alpha-1)

Front 9

phospholipase C cleaves PIP2 forming ________ & ___________.

Back 9

DAG; IP3

Front 10

IP3 causes an increase in intracellular _____ levels which leads to muscle contraction

Back 10

Calcium

Front 11

What happens to cellular activity when adenylyl cyclase converts ATP into cyclic AMP (cAMP)

Back 11

cellular activity increases

Front 12

acetylcholinestrase removes ACh from the synaptic cleft by degrading it into ___________ and ______________

Back 12

acetate ion and choline

Front 13

What effect do antimuscarinic drugs have on the SNS? How does this affect heart rate?

Back 13

block sympathetic nervous system causing the heart rate to increase

Front 14

The drugs that block receptors on adrenergic effector organs are _____________

Back 14

antagonists (turn it off)

Front 15

Agonist drugs acting on adrenergic effector organs cause the release of ____________

Back 15

Norepinephrine (NE)