Cardiovascular System

Question 1

angioplasty

Answer 1

procedure that opens a blocked artery by inflating a small balloon within a catheter

Question 2

arteries

Answer 2

Large blood vessels that carry oxygenated blood away from the heart

Question 3

capillaries

Answer 3

Microscopic blood vessels joining arterioles and venules

Question 4

metabolism

Answer 4

Sum of all physical and chemical changes that take place within an organism

Question 5

veins

Answer 5

vessels that return deoxygenated blood to the heart

Question 6

cardiovascular system (CV)

Answer 6

composed of the heart, which is essentially a muscular pump, and an extensive network of blood vessels

Question 7

systole

Answer 7

contraction

Question 8

diastole

Answer 8

Resting period between contractions when the heart fills with blood

Question 9

aneurysm

Answer 9

Abnormal widening (ballooning) of a portion of an artery as a result of weakness

Question 10

angina pectoris

Answer 10

Mild to severe pain or pressure in the chest caused by ischemia

Question 11

arrhythmia

Answer 11

Irregularity or loss of rhythm of the heartbeat

Question 12

fibrillation

Answer 12

Arrhythmia in which there is rapid, uncoordinated

Question 13

arteriosclerosis

Answer 13

Thickening, hardening, and loss of elasticity of arterial walls

Question 14

atherosclerosis

Answer 14

accumulation of fatty substances within the arterial walls

Question 15

bruit

Answer 15

Soft blowing sound heard

Question 16

embolus

Answer 16

Mass of undissolved matter (blood clot) that travels through bloodstream

Question 17

heart block

Answer 17

A disease of the electrical system of the heart

Question 18

1st Degree AV

Answer 18

electrical impulses are delayed

Question 19

2nd degree AV

Answer 19

only some atrial electrical impulses are conducted

Question 20

3rd degree AV

Answer 20

no electrical impulses

Question 21

heart failure

Answer 21

Occurs when the heart is unable to pump enough blood flow

Question 22

hypertension

Answer 22

Consistently elevated blood pressure

Question 23

ischemia

Answer 23

Inadequate supply of oxygenated blood

Question 24

mitral valve prolapse (MVP)

Answer 24

Structural abnormality in which the mitral (bicuspid) valve does not close completely

Question 25

murmur

Answer 25

abnormal heart rhythm and sounds

Question 26

myocardial infarction (MI)

Answer 26

partial or complete occlusion of one or more coronary arteries (aka heart attack)

Question 27

patent ductus arteriosus (PDA)

Answer 27

Failure of the ductus arteriosus