Terms

Question 1

Preload

Answer 1

End diastolic volume is the total amount of blood in ventricles before systole

Question 2

Atrial kick

Answer 2

20% of preload comes from atrial kick

Question 3

Afteroad

Answer 3

Pressure in left ventricle during systole required to overcome pressure and eject blood

Question 4

Cardiac output

Answer 4

Blood heart puts out in one minute

Question 5

Stroke volume

Answer 5

Amount of blood pumped by left ventricle in one beat

Question 6

Automaticity

Answer 6

Ability of a cell to spontaneously generate an impulse

Question 7

Excitability

Answer 7

Ability to respond to an electrical impulse

Question 8

Conductivity

Answer 8

Cells ability to receive and send an impulse to an adjacent cardiac cell

Question 9

Contractility

Answer 9

Cells ability to shorten and contract in response to stimulus

Question 10

P wave

Answer 10

Atrial depolarization

Question 11

Pr interval

Answer 11

Time it takes for an impulse to travel from the sa node to the av node

Question 12

Qrs complex

Answer 12

Time it takes for an impulse to favor travel through the ventricles

Question 13

J point

Answer 13

Qrs complex meets st segment

Question 14

Qt interval

Answer 14

Ventricular depol/repol

Question 15

T wave

Answer 15

Ventricular recovery