Cardiovascular Vocab

Question 1

Arrhythmias

Answer 1

Disturbances in cardiac rhythm

Question 2

Asystole

Answer 2

State of no cardiac electrical activity

Question 3

Automaticity

Answer 3

Spontaneous initiation of depolarizing electric impulses by pacemaker sites

Question 4

Beta-Adrenergic Blockers

Answer 4

Blocks inhibitory effects of sympathetic nervous system

Question 5

Cardiac output

Answer 5

Amount of blood pumped by the heart per minute

Question 6

Depolarization

Answer 6

process of discharging resting cardiac muscle fibers

Question 7

Diastole

Answer 7

Period of ventricular relaxation in which ventricle passively fill with blood

Question 8

ENDOcardium

Answer 8

Thing membrane that lines the INSIDE of the heart

Question 9

EPIcardium

Answer 9

Thin membrane that lines the OUTSIDE of the heart

Question 10

Frank-Starling mechanic

Answer 10

The increase in contraction strength due to increased diastolic volume

Question 11

Myocardium

Answer 11

Heart muscle

Question 12

Preload

Answer 12

The pressure which ventricles fill, influenced by blood volume returned from the veins

Question 13

Stroke volume

Answer 13

Amount of blood pumped by either ventricle in a single heartbeat

Question 14

Systole

Answer 14

Period in which the ventricles contract

Question 15

Vasopressor

Answer 15

Drug class that causes the muscles of the arteries and capillaries to contract

Question 16

Ventricles

Answer 16

Lower chambers of the heart