Blood

Question 1

which layer of the arterial wall is responsible for vasoconstriction

Answer 1

tunica media

Question 2

a blockage in the proximal portion of the right subclavian artery will not only affect circulation to the right arm, but also the

Answer 2

right vertebral artery

Question 3

which blood vessels carry blood away from the heart to other organs

Answer 3

arteries

Question 4

in resting individuals, which vessels serve as a large blood reservoir from which blood can be quickly diverted to other vessels as needed

Answer 4

veins and venules

Question 5

in order to supply oxygenated blood to the liver tissue, which vessel must deliver blood to the organ

Answer 5

hepatic artery

Question 6

the alternate route of blood flow to a body part is called

Answer 6

anastomosis

Question 7

the largest driving force for pulling fluid from the interstitial spaces back to the capillaries is

Answer 7

blood colloid osmotic pressure

Question 8

if a pt is confined to bed and is unable to walk, what would be seriously affected

Answer 8

the circulation returning from the lower body

Question 9

most important method of capillary exchange

Answer 9

simple diffusion

Question 10

the pressure driven movement of fluids and solutes from blood into interstitial fluid is called

Answer 10

filtration

Question 11

the volume of blood that circulates through the systemic (or pulmonary) blood vessels per minute is called

Answer 11

cardiac output

Question 12

what would not result in an increase in arterial blood pressure

Answer 12

increased arteriolar vasodilation

Question 13

nutrients from digested food enter the liver via

Answer 13

hepatic portal circulation

Question 14

abnormal conditions such as atherosclerosis and patent (open) ductus anteriousus cause a large increase in the

Answer 14

pulse pressure

Question 15

the cardiovascular center is located

Answer 15

in the medulla oblongata

Question 16

which hormones would not stimulate changes that lead to an increase in arterial blood pressure

Answer 16

atrial natriuretic peptide ANP

Question 17

all the veins of the systemic circulation eventually drain into the

Answer 17

superior and inferior vena cava and coronary sinus

Question 18

if the foramen ovale doesnt close at birth, the result will be

Answer 18

introducing deoxygenated blood into the systemic circulation

Question 19

the renin-angiotensin-aldosterone system involves stimulating a vasoconstrictor (angiotensis II) and stimulating aldosterone secretion which increases water reabsorption. in these two ways we can

Answer 19

increase blood volume and blood pressure

Question 20

these two pressure promote filtration ________ & ____________

Answer 20

blood hydrostatic pressure and interstitial fluid osmotic pressure

Question 21

these two pressures promote reabsorption _______ & __________

Answer 21

blood colloid osmotic pressure and interstitial fluid hydrostatic pressure

Question 22

the pulmonary circulatory route carries blood from the

Answer 22

right ventricle to the left atrium

Question 23

into which of the following categories would an individual with a blood pressure of 145/95 be place

Answer 23

stage 1 hypertension

Question 24

the chemical histamine causes capillary walls to become more permeable. as a result, excess histamine secretion, as might be seen in allergic responses might lead to

Answer 24

edema

Question 25

the only place in the body where veins carry oxygenated blood and arteries carry dexoygenated blood is

Answer 25

pulmonary circulation

Question 26

which vessels drains blood from the head and neck

Answer 26

jugular vein

Question 27

when the umbilical cord is tied after birth, the umbilical arteries close by filling it with

Answer 27

connective tissue

Question 28

capillaries in the bone marrow have _____ walls and are called _____

Answer 28

leaky, sinusoids

Question 29

a megakaryoblast will develop into

Answer 29

a platelet

Question 30

progressive liver failure may lead to serious bleeding problems due to

Answer 30

reduced production of thrombopoeitin reduction in production of platelets reduction in cholesterol production reduction in number of pluripotent stem cells all of the above

Question 31

which hormone stimulates proliferation of RBCs in bone marrow

Answer 31

erthyropoietin

Question 32

ferritin is a protein used to

Answer 32

store iron in the liver, muscle and spleen

Question 33

what % of blood plasma is water

Answer 33

91.5

Question 34

which plasma proteins plays a role in blood clotting

Answer 34

fibrinogen

Question 35

what is not a major function of blood

Answer 35

production of oxygen

Question 36

the hematocrit is a measure of the % of whole blood occupied by

Answer 36

RBCS

Question 37

jaundice is a yellowing of the skin, caused by the deposition of bilirubin in the skin, it may be associated w

Answer 37

a,b,c excessive breakdown of RBC cancer of bowel or pancreas blockage of bile drainage by gallstones

Question 38

which is a phagocyte

Answer 38

neutrophil

Question 39

which blood cells releases granules that intensify the inflammatory response and promote hypersensitivity reactions

Answer 39

basophil

Question 40

towards the end of the erthyropoiesis in the bone marrow, a cell loses its nucleus and becomes a

Answer 40

reticulocyte

Question 41

erythropoiesis may be stimulated by

Answer 41

all of the above pulmonary disease that decreases available oxygen excessive bleeding traveling to high altitudes diving in deep water

Question 42

which blood cell phagocytizes antigen antibody complexes and is effective against parasitic worms

Answer 42

eosinophil

Question 43

which blood cells are the main soldiers in the immune system battles

Answer 43

lymphocyte

Question 44

which of the following substances is an anticoagulant produced by mast cells and basophils

Answer 44

heparin

Question 45

which of the antibodies would u find in the plasma of a person w type O blood

Answer 45

anti A and anti B

Question 46

sequence of steps that occur during hemostasis in response to a damaged blood vessel VPC

Answer 46

vascular spasm platelet plug formation clotting

Question 47

the intrinsic and extrinsic pathways of blood clotting are identical after formation of

Answer 47

prothrombinase

Question 48

what blood type is a person if their plasma contains only anti - a agglutinin

Answer 48

B

Question 49

someome with leukemia requires bone marrow transplant. the donor may be a person who gives the recipient stem cells that are in the bone marrow from their _____ or stem cells may come from their _____

Answer 49

hip bone, umbilical cord

Question 50

the process of a white blood cell squeezing between endothelial cells to exit a blood vessel is called

Answer 50

emigration

Question 51

which of the following hormones stimulates the development of megakaryoblasts

Answer 51

thrombopoetin

Question 52

a condition is which inadequate intake of vit B12 or folic acid causes production of large abnormal red blood cells is called

Answer 52

megaloblastic anemia