Blood and Heart Flashcards
Which of the following is NOT a method of carbon dioxide transport in the blood?
held in the depression of a red blood cell
Red blood cells will develop from
proerythroblasts
connect the flaps of the AV valves to the papillary muscles
The chordae tendineae
RhoGam injections are given to
prevent sensitization of the mother.
has both A and B antigens on the red cells
Type AB blood
Which of the following will depolarize immediately after the AV node depolarizes?
the AV bundle
Which of the following sequences for the conducting system is correct?
SA node, AV node, AV bundle, bundle branches, Purkinje fibers
Depolarization of a cardiac muscle cell occurs as the result of
the opening of voltage-gated sodium channels and voltage-gated calcium channels.
Another name for the visceral pericardium is the
epicardium
Which of the following pairs is mismatched?
pectinate muscles - muscles that close valves
The delivery of oxygen and nutrients to the tissues of the body is accomplished through ________ circulation.
systemic
The ability of white blood cells to leave the circulation and enter tissues is called
diapedesis
Which of the following statements regarding leukocytes is TRUE?
Leukocytes are the largest of the formed elements.
The AV valve that is located on the same side of the heart as the origin of the aorta is the
bicuspid or mitral valve.
Which of the following is NOT an enzyme given to someone experiencing a myocardial infarction to break up blood clots?
nitroglycerin
Functions of plasma proteins include
regulation of osmotic pressure.
Which of the following events is one of the three main stages of coagulation?
conversion of fibrinogen to fibrin
Arrange the following events of coagulation in proper sequence.
(1) prothrombin → thrombin
(2) fibrinogen → fibrin
(3) activation of factor XII
(4) formation of prothrombinase
3, 4, 1, 2
Which of the following functions is associated with the blood?
delivery of oxygen to tissue cells
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
the inner lining of the heart.
