Brainscape's Knowledge GenomeTM

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


See full index

BI 242 > Chapter 19 - Part 2 > Flashcards

Chapter 19 - Part 2 Flashcards

1
Q

lines lumen of all vessels and is continuous with endocardium

A

tunica intima

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

endothelium

A

tunica intima

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

what type of cells is the tunica intima made of

A

simple squamous epithelium

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

smooth muscle and sheets of elastic fibers

A

tunica media

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

what layer involves vasoconstriction and vasodilation

A

tunica media

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

collagen fibers and connects and anchors

A

tunica externa

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

continuous with fibrous pericardium

A

tunica externa

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

which have thinker walls: arteries or veins

A

arteries

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

which have larger diameters: arteries or veins

A

veins

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

which do capillaries have: endothelium, smooth muscle and elastic fibers, or collagen fibers

A

endothelium

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

carry blood away from heart

A

arteries

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

arteries carry oxygenated blood in all areas except

A

pulmonary artery and umbilical artery of fetus

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

directly serve cellular needs

A

capillaries

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

what has contact with tissue cells

A

capillaries

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

carry blood towards heart

A

veins

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

what type of artery: thickest, closest to heart (aorta) and pressure reservoir

A

elastic artery

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

what type of artery: deliver blood to body organs (distributing)

A

muscular artery

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

what artery is distal to elastic arteries

A

muscular arteries

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

what type of artery leads to capillary beds

A

arterioles

20
Q

control flow into capillary beds via vasodilation and vasoconstriction (by smooth muscle)

A

arterioles

21
Q

smallest diameter in blood vessels

A

capillaries

22
Q

allow only single RBC to pass at a time

A

capillaries

23
Q

thinnest blood vessel with endothelium only and a basement membrane

A

capillaries

24
Q

exchange gasses, nutrients, waste, and hormones between blood and interstitial fluid

A

function of capillaries

25
Q

three types of capillaries from more protection to more exchange

A

continuous, fenestrated, sinusoid

26
Q

continuous capillaries

A

brain and lungs

27
Q

fenestrated capillaries

A

kidney and small intestine

28
Q

sinusoid capillaries

A

liver

29
Q

skeletal muscles, not blood pressure, and promote venous blood to right atrium

A

vein

30
Q

venous valves, not blood pressure, and prevent backflow of blood

A

veins

31
Q

arterial blood pressure

A

blood pressure in artery near heart (pulsatile)

32
Q

is blood pressure in capillaries and veins pulsatile?

A

no

33
Q

where is arterial blood pressure highest?

A

aorta

34
Q

declines throughout the pathway and 0 mm Hg in right atrium

A

arterial blood pressure

35
Q

pressure exerted in aorta during ventricular contraction (120 mmHg)

A

systolic pressure

36
Q

lowest level of aortic pressure (80 mmHg)

A

diastolic pressure

37
Q

systolic pressure minus diastolic pressure

A

pulse pressure

38
Q

what is proportional to pulse pressure

A

stroke volume

39
Q

diastolic pressure plus 1/3 pulse pressure

A

mean arterial pressure (MAP)

40
Q

2/3 diastolic pressure plus 1/3 systolic pressure

A

mean arterial pressure (MAP)

41
Q

does does parasympathetic nervous system do to BP

A

decrease

42
Q

what does sympathetic nervous system do to BP

A

increase

43
Q

parasympathetic

A

digest and rest

44
Q

sympathetic

A

fight or flight

45
Q

renin-angiotensin-aldosterone system

A

regulated blood pressure

46
Q

what happens in renin-angiotensin-aldosterone system in activated

A

increase in BP

BI 242 (8 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions