Quiz 6

Question 1

which blood type could be administered to anyone without risk of cross reaction

Answer 1

o -

Question 2

constitutes approximately 45% of whole blood volume

Answer 2

erythrocytes

Question 3

cells include a subtype that produces antibodies

Answer 3

lymphocytes

Question 4

formed elements in the blood lose most of their organelles as they develop

Answer 4

erythrocytes

Question 5

natural killer cells are a type of

Answer 5

lymphocyte

Question 6

heme group contain ___ ion which allows it to bind to a molecule of oxygen

Answer 6

iron

Question 7

in fetus the foramen ovale is an opening between the

Answer 7

right and left atria

Question 8

vessel delievers oxygen poor blood to the heart from the tissues and organs of the abdominopelvic cavity

Answer 8

inferior vena cava

Question 9

visceral pericardium also called

Answer 9

epicardium

Question 10

surface feature marks the border between the atria and the ventricles

Answer 10

cornary sulcus

Question 11

__ are irregular musuclar ridges that are prominent along the inner surfaces of the ventricles

Answer 11

trabeculae carneae

Question 12

cardiac muscle cells linked together at the intercalated discs are found within the

Answer 12

myocardium

Question 13

network of small arteries called ___ provides a blood supply to the externa of very large blood vessels

Answer 13

vasa vasorum

Question 14

contains baroreceptors and chemoreceptors

Answer 14

carotid sinus

Question 15

vasoconstriction and vasodilation occur due to sympathetic activation of which vessel layer

Answer 15

media

Question 16

outermost layer of blood vessel which is typically thick and composed chiefly of collagen fibers with scattered bands of elastic fibers is the

Answer 16

adventia

Question 17

functions of spleen

Answer 17

remove abnormal blood cells
produce lymphocytes
site for immune
storage of ion

Question 18

lipids absorbed in the digestive tract enter ____ in the intestinal wall

Answer 18

lacteals

Question 19

___ collects lymph from both sides of the body inferior to the diaphram

Answer 19

thoracic duct

Question 20

blood is a type of

Answer 20

CT

Question 21

__ clump together to form a temporary patch in the walls of damaged blood vessels

Answer 21

platelets

Question 22

megakaryocytes give rise to

Answer 22

platelets

Question 23

hemoglobin contains __ iorn atoms

Answer 23

4

Question 24

95% of non water conten in erythrocytes is

Answer 24

hemoglobin

Question 25

hemoglobin can bind to

Answer 25

both oxygen and carbon dioxide

Question 26

people who are rh positive have the rh antigen on the plasma membrane of their

Answer 26

erythrocytes

Question 27

blood type of an individual is determined at the cellular level by the

Answer 27

presence or absence of specific surface antigens in the plasma membrane of the erythocytes

Question 28

the right ventricle has thinner muscular walls than the

Answer 28

left ventricle

Question 29

sinoatrial node is embeeded in the wall of the

Answer 29

right atrium near the entrance of the svc

Question 30

oxygenated blood returning from the lungs enters the heart via the

Answer 30

left atrium

Question 31

the exchange of oxygen and carbon dixoide in cardiovascular system occurs in

Answer 31

capillaries

Question 32

venous system normally contains ____ of the blood volume of whole blood

Answer 32

65-75

Question 33

artery gets farther from the heart its diameter decreases and there is

Answer 33

increase in the amount of smooth muscle and decrease in number of elastic fibers

Question 34

which arteries fuse to form basilar artery

Answer 34

vertebral arteries

Question 35

which vessels collect blood directly from capillaries

Answer 35

venules

Question 36

spleen location

Answer 36

LUQ

Question 37

large lymphoid nodules that are located in the walls of the pharynx

Answer 37

tonsils

Question 38

blood vessels and nerves enter and exit a lymph node at the ____ of the node

Answer 38

hilum