Chapter 21 Blood Vessels And Circulation

Question 1

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

Answer 1

Elastic Arteries

Question 2

Smooth muscle constrict or dilate to alter blood flow

All named in lab except elastic Arteries

Answer 2

Muscular arteries

Question 3

Have the greatest control of blood flow to a tissue

Answer 3

Arterioles

Question 4

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

Answer 4

Capillaries

Question 5

Small veins

Answer 5

Venuoles

Question 6

Brachial
Axillary
Cephalic
Basilic
Femoral
Hepatic
Renal
GonadAl
Subclavain

Answer 6

Medium veins

Question 7

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

Answer 7

Large veins

Question 8

Carry blood away from the heart

Return blood to the heart

Answer 8

Arteries

Veins

Question 9

Openings in the walls to allow large molecules to permeate

Found in bone marrow, brain, kidneys, liver

Answer 9

Fenestrated capillaries

Question 10

Is a pushing pressure that forces blood thru the system

Answer 10

Hydrostatic pressure

Question 11

Pushing pressure caused by the albumins

Answer 11

Osmotic pressure

Question 12

Any force that opposes movement

Answer 12

Resistance

Question 13

Type A blood

Answer 13

Will have A surface antigens

With Anti B antibodies

Question 14

Type B

Answer 14

Will have B surface antigens

With Anti A antibodies

Question 15

Type AB

Answer 15

Will have both A or B surface antigens

Will have neither Anti A or B antibodies

Question 16

Type O

Answer 16

Neither A and B antigens

But will have both anti A and B antibodies

Question 17

Type A blood can only receive

Type B blood can only receive

Type AB blood can only receive

Type O blood can only receive

Answer 17

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

Question 18

Hematocrit number

Answer 18

45

Question 19

Life span of an RBC

Answer 19

4 months 120 days

Question 20

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

Answer 20

Foremen ovalle

Question 21

Papillary muscle function is to prevent ?

Answer 21

AV valves from reversing

Question 22

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

Answer 22

Eosinophils

Question 23

How many heart beats in a day

Answer 23

100,000

Question 24

Semilunar valves prevent back flow to the ?

Answer 24

Ventricles

Question 25

SA node

Answer 25

70-80 bpm

Question 26

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

Answer 26

RBCs

Question 27

The first heart sound the Lubb

Answer 27

AV closes during ventricular systole

Question 28

The second heart sound the dupp

Answer 28

SL valve is closed during ventricular diastole

Question 29

Visceral pericardium is the same as

Answer 29

Epicardium

Question 30

Normal heart rate is called the ?

Answer 30

Resting heart rate

Question 31

Dissolves clots & anticoagulant

Answer 31

Plasmin

Question 32

Difference between plasma and interstitial fluid ?

Answer 32

Increase of plasma proteins

Question 33

Causes of stroke volume

Answer 33

Increase venous return and decrease Calcium channels open Increase sympathetic simulation

Question 34

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

Answer 34

ACH acetylcholine

Question 35

Is the point along a capillary where TP = ROF

Answer 35

Dynamic center

Question 36

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

Answer 36

Tissue perfusion

Question 37

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

Answer 37

Recall of fluids

Question 38

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

Answer 38

TP > ROF

Question 39

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

Answer 39

Low BP Arterial end

Question 40

If BP is ⬆️ the dynamic center shifts towards _______.

Answer 40

Venous end High BP