Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Pharmacology > ANS pt 1 - slides 1-16 > Flashcards

ANS pt 1 - slides 1-16 Flashcards

1
Q

sympathetic postganglionic neurons release what NT for sweat glands?

A

ACh

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

sympathetic preganglionic neurons release what NT?

A

ACh

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

what happens to the adrenal glands when the sympathetic NS is activated

A

release of adrenaline and noradrenaline

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

what happens to the lungs when the sympathetic NS is activated

A

dilation of the bronchi

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

why does the sympathetic NS have more diffuse effects

A

long post-ganglionic fibers
adrenal hormones being released

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

what happens to internal urinary sphincter when the parasympathetic NS is activated

A

relaxation (opening)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

what ANS branch has short preganglionic and long post ganglionic

A

sympathetic

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

what happens to stomach/intestines when the parasympathetic NS is activated

A

inc secretions
inc motility

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

what happens to the brain when the sympathetic NS is activated

A

increased focus and vigilance

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

why does the parasympathetic NS have more localized effects

A

no hormones
short post-ganglionic fibers

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Somatic motor system neurons release what NT

A

ACh

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

adrenal medulla releases what NTs?

A

80% epi
20%norepi

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

what happens to lungs when the parasympathetic NS is activated

A

bronchoconstriction
increased secretions

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

the ANS consists of chains of two neurons called:

A

the preganglionic
post-ganglionic neurons

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

what branch of the ANS causes thin, watery salivary secretions

A

parasympathetic

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

parasympathetic neurons exit from what region of the spinal cord

A

cranio-sacral region

17
Q

what happens to the blood vessels in the skin and GI tract when the sympathetic NS is activated

A

constriction

18
Q

what happens to sex organs when the sympathetic NS is activated

A

penis - ejaculation
vagina - contractions
uterus - relaxation

19
Q

what ANS branch has long preganglionic and short post ganglionic

A

parasympathetic

20
Q

sympathetic neurons exit from what region of the spinal cord?

A

thoraco-lumbar

21
Q

what happens to the sweat glands when the sympathetic NS is activated

A

diaphoresis

22
Q

parasympathetic postganglionic neurons release what NT?

23
Q

what are the two branches of the ANS

A

sympathetic NS
parasympathetic NS

24
Q

what happens to the urinary system when the sympathetic NS is activated

A

relaxation of detrusor muscle
contraction of the internal urinary sphincter

25
Q

what happens to the heart when the sympathetic NS is activated

A

inc HR
inc force of contraction

26
Q

what happens to the blood vessels in the heart and skeletal muscles when the sympathetic NS is activated

27
Q

what happens to the bladder when the parasympathetic NS is activated

A

contraction

28
Q

what happens to heart when the parasympathetic NS is activated

A

reduced HR
slightly reduced force of contraction in the atria

29
Q

what happens to sex organs when the parasympathetic NS is activated

A

erection
(point and shoot)

30
Q

sympathetic postganglionic neurons release what NT for MOST ORGANS

A

Norepinephrine (aka noradrenaline)

31
Q

parasympathetic preganglionic neurons release what NT?

32
Q

what branch of the ANS causes thick salivary secretions

A

Sympathetic

33
Q

what happens to the digestive system when the sympathetic NS is activated

A

inhibition/reduction of gastric/intestinal secretions and motility

34
Q

what happens to the liver + adipose tissue when the sympathetic NS is activated

A

glycogenolysis
lipolysis

35
Q

what branch of the ANS has more diffuse effects

A

sympathetic

36
Q

are ganglia in the sympathetic NS close to the spinal cord or further in the body?

A

closer to the spinal cord

37
Q

what branch of the ANS has more localized effects

A

parasympathetic

38
Q

what happens to eyes when the parasympathetic NS is activated

A

myosis
accommodation

39
Q

what happens to coagulation when the sympathetic NS is activated

Pharmacology (9 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions