Circulatory System Exam Review

These flashcards cover key concepts and terms related to the circulatory system, including blood types, components, function, and common disorders.

The circulatory system delivers __ to every cell.

O2 (oxygen)

Blood regulates __ temperature.

body

The formed elements of blood account for __ of blood volume.

45%.

RBCs are responsible for transporting __ to body tissues.

oxygen

The kidneys release __ when oxygen levels are low.

EPO (erythropoietin)

Anemia is a reduction in blood’s __-carrying capacity.

oxygen

Iron-deficiency anemia is caused by improper processing of dietary __.

iron

The ABO blood types include A, B, AB, and __.

O

People have antibodies against antigens __ on their own blood cells.

NOT

Rh+ blood has the __ antigen present.

D

Hemophilia is caused by a deficiency of one or more __ proteins.

clotting

In hemostasis, the three stages include vascular spasm, __ plug formation, and coagulation.

platelet

The heart has three layers of wall: epicardium, myocardium, and __.

endocardium

The SA node serves as the cardiac __.

pacemaker

Arrhythmias are disturbances in the __ function of the heart.

electrical

Hypertension is known as __ due to its silent effects.

the silent killer

The 'lub' sound of the heart is produced by the closing of __ valves.

AV (atrioventricular)

Normal diastolic blood pressure is generally around __ mm Hg.

80

Sickle cell anemia is caused by a mutation of __.

hemoglobin