Circulatory System

Question 0

Red blood cells; transport oxygen

Answer 0

Erythrocytes

Question 1

Fluid portion of the blood; 90% water

Answer 1

Plasma

Question 2

Oxygen transporting pigment of red blood cells; iron containing protein

Answer 2

Hemoglobin

Question 3

Reduced oxygen carrying capacity in the blood cause by decreased erythrocytes

Answer 3

Anemia

Question 4

White blood cells; fight infection

Answer 4

Leukocytes

Question 5

One of the irregular cell fragments of blood, involved in clotting

Answer 5

Platelets

Question 6

White blood cell count over 11,000 caused by an infection in the body

Answer 6

Leukocytosis

Question 7

A cancerous condition where there is an excessive production of immature leukocytes; “white blood”

Answer 7

Leukemia

Question 8

Formation of blood cells

Answer 8

Hematopoiesis

Question 9

Inflammation of the pericardium; decreases amount of serous fluid

Answer 9

Pericarditis

Question 10

System of blood vessels that carry blood to and from lungs

Answer 10

Pulmonary circulation

Question 11

System of blood vessels that carry nutrients and oxygen to all body organs

Answer 11

Systemic circulation

Question 12

Prevents back flow of blood into the atria when the ventricles contract; 4 valves; allows blood to flow in 1 direction

Answer 12

Atrioventricular valves

Question 13

Blood supply that oxygenates and nourishes the heart

Answer 13

Coronary arteries

Question 14

Severe suffocating chest pain caused by lack of oxygen supply to the heart muscle

Answer 14

Angina pectoris

Question 15

Interruption of blood flow to the myocardium

Answer 15

Myocardial infarction

Question 16

Mass of specialized myocardial cells in the wall of the right atrium; “pacemaker” of the heart

Answer 16

Sinoatrial node

Question 17

A clinical procedure for mapping the electrical activity of the heart

Answer 17

Electrocardiography

Question 18

A heart rate over 100 bpm

Answer 18

Tachycardia

Question 19

Slow heart beat; under 60 bpm

Answer 19

Bradycardia

Question 20

A sequence of events encompassing the contraction and relaxation of the atria and the ventricle of the heart

Answer 20

Cardiac cycle

Question 21

Blood volume ejected per minute by the left ventricle

Answer 21

Cardiac output

Question 22

A volume of blood injected by a ventricle during a systole

Answer 22

Stroke volume

Question 23

Condition that weakens the heart by high blood pressure

Answer 23

Congestive heart failure

Question 24

Pressure exerted by the blood against the inner walls of the blood vessels

Answer 24

Blood pressure