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Anatomy & Physiology 2 > Chapter 21 Blood Vessels And Circulation > Flashcards

Chapter 21 Blood Vessels And Circulation Flashcards

1
Q

Aorta, BC, carotids, subclavians more elastic than muscle and exhibit elastic rebound

A

Elastic Arteries

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2
Q

Smooth muscle constrict or dilate to alter blood flow

All named in lab except elastic Arteries

A

Muscular arteries

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3
Q

Have the greatest control of blood flow to a tissue

A

Arterioles

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4
Q

Smallest and most numerous
Wall = simple squamous ET
Only vessels to allow substances to enter exit blood stream

A

Capillaries

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5
Q

Small veins

A

Venuoles

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6
Q

Brachial
Axillary
Cephalic
Basilic
Femoral
Hepatic
Renal
GonadAl
Subclavain

A

Medium veins

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7
Q

Superior vena cavae
Inferior vena cavae
Jugular veins
Renal veins
Hepatic veins

A

Large veins

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8
Q

Carry blood away from the heart

Return blood to the heart

A

Arteries

Veins

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9
Q

Openings in the walls to allow large molecules to permeate

Found in bone marrow, brain, kidneys, liver

A

Fenestrated capillaries

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10
Q

Is a pushing pressure that forces blood thru the system

A

Hydrostatic pressure

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11
Q

Pushing pressure caused by the albumins

A

Osmotic pressure

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12
Q

Any force that opposes movement

A

Resistance

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13
Q

Type A blood

A

Will have A surface antigens

With Anti B antibodies

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14
Q

Type B

A

Will have B surface antigens

With Anti A antibodies

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15
Q

Type AB

A

Will have both A or B surface antigens

Will have neither Anti A or B antibodies

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16
Q

Type O

A

Neither A and B antigens

But will have both anti A and B antibodies

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17
Q

Type A blood can only receive

Type B blood can only receive

Type AB blood can only receive

Type O blood can only receive

A
  1. Type A or O
  2. Type B or O
  3. Type A, B, AB, O considered universal recipient
  4. Type O considered universal donor
18
Q

Hematocrit number

A

45

19
Q

Life span of an RBC

A

4 months 120 days

20
Q

Located in the arterial arterial septum and it increases Blood flow to the left and right atrium

A

Foremen ovalle

21
Q

Papillary muscle function is to prevent ?

A

AV valves from reversing

22
Q

Phagocytose antibody coated bacteria and parasites. Their granular contents are released to respond to the parasites and allergens. Acidic dye is red.

A

Eosinophils

23
Q

How many heart beats in a day

A

100,000

24
Q

Semilunar valves prevent back flow to the ?

A

Ventricles

25
Q

SA node

A

70-80 bpm

26
Q

They are shaped like a Bi-conclave disk to increase the surface area for the transport of dissolved gases

A

RBCs

27
Q

The first heart sound the Lubb

A

AV closes during ventricular systole

28
Q

The second heart sound the dupp

A

SL valve is closed during ventricular diastole

29
Q

Visceral pericardium is the same as

A

Epicardium

30
Q

Normal heart rate is called the ?

A

Resting heart rate

31
Q

Dissolves clots & anticoagulant

A

Plasmin

32
Q

Difference between plasma and interstitial fluid ?

A

Increase of plasma proteins

33
Q

Causes of stroke volume

A

Increase venous return and decrease
Calcium channels open
Increase sympathetic simulation

34
Q

Opens K+ channels
Decrease cardiac output
Decrease depolarization of SA node

A

ACH acetylcholine

35
Q

Is the point along a capillary where TP = ROF

A

Dynamic center

36
Q

Nutrients beneficial ions exits blood stream to feed cells driven by BHP

A

Tissue perfusion

37
Q

Is the removal of wastes, carbon dioxide, from tissues. It is driven by BCOP it occurs when BHP is < BCOP

A

Recall of fluids

38
Q

We only recall about 85% of the perfused fluid back into the same capillary.
The remaining 15% is recalled into the lymph system

A

TP > ROF

39
Q

If BP is ⬇️ the dynamic center shifts towards the _______.
TP ⬇️, ROF ⬆️ ischemia tissues starve

A

Low BP

Arterial end

40
Q

If BP is ⬆️ the dynamic center shifts towards _______.

A

Venous end

High BP

Anatomy & Physiology 2 (12 decks)

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