Blood and Heart

Question 1

Which of the following is NOT a method of carbon dioxide transport in the blood?

Answer 1

held in the depression of a red blood cell

Question 2

Red blood cells will develop from

Answer 2

proerythroblasts

Question 3

connect the flaps of the AV valves to the papillary muscles

Answer 3

The chordae tendineae

Question 4

RhoGam injections are given to

Answer 4

prevent sensitization of the mother.

Question 5

has both A and B antigens on the red cells

Answer 5

Type AB blood

Question 6

Which of the following will depolarize immediately after the AV node depolarizes?

Answer 6

the AV bundle

Question 7

Which of the following sequences for the conducting system is correct?

Answer 7

SA node, AV node, AV bundle, bundle branches, Purkinje fibers

Question 8

Depolarization of a cardiac muscle cell occurs as the result of

Answer 8

the opening of voltage-gated sodium channels and voltage-gated calcium channels.

Question 9

Another name for the visceral pericardium is the

Answer 9

epicardium

Question 10

Which of the following pairs is mismatched?

Answer 10

pectinate muscles - muscles that close valves

Question 11

The delivery of oxygen and nutrients to the tissues of the body is accomplished through ________ circulation.

Answer 11

systemic

Question 12

The ability of white blood cells to leave the circulation and enter tissues is called

Answer 12

diapedesis

Question 13

Which of the following statements regarding leukocytes is TRUE?

Answer 13

Leukocytes are the largest of the formed elements.

Question 14

The AV valve that is located on the same side of the heart as the origin of the aorta is the

Answer 14

bicuspid or mitral valve.

Question 15

Which of the following is NOT an enzyme given to someone experiencing a myocardial infarction to break up blood clots?

Answer 15

nitroglycerin

Question 16

Functions of plasma proteins include

Answer 16

regulation of osmotic pressure.

Question 17

Which of the following events is one of the three main stages of coagulation?

Answer 17

conversion of fibrinogen to fibrin

Question 18

Arrange the following events of coagulation in proper sequence.

(1) prothrombin → thrombin
(2) fibrinogen → fibrin
(3) activation of factor XII
(4) formation of prothrombinase

Answer 18

3, 4, 1, 2

Question 19

Which of the following functions is associated with the blood?

Answer 19

delivery of oxygen to tissue cells

Question 20

E.Z. Goen is admitted to the cardiac unit with a diagnosis of endocarditis. When E.Z. asks the nurse where the infection is located, the nurse replies that the infection is in

Answer 20

the inner lining of the heart.