CRAT EXAM ACTUAL TEST PAPER QUESTIONS CORRECT ANSWERS GRADED A PLUS.pdf

CRAT EXAM ACTUAL TEST PAPER QUESTIONS CORRECT ANSWERS GRADED A PLUS




Question:
Chronotropic

Answer:
heart rate



Question:
Inotropic

Answer:
force of myocardial contractility



Question:
Dromotropic

Answer:
conduction velocity through the AV node



Question:
Systole

Answer:
contraction of chamber, blood is being ejected. Pressure rises during systole.



Question:
Diastole

Answer:

, rest, relaxation of chamber, chamber is allowed to fill. Pressure falls during diastole.



Question:
Stroke Volume

Answer:
the amount of blood left ventricle pumps in each beat. (mL/beat)



Question:
Cardiac output- definition

Answer:
The amount of blood pumped into the aorta each minute. (units= mL/min)



Question:
Cardiac output- equation

Answer:
(HR) X (Stroke Volume) Avg. healthy adult= 4-8 L/min



Question:
Venous return

Answer:
amount of blood flowing into the right heart from the systemic ciruclation



Question:
Blood Pressure- definition

Answer:
force exerted by the blood against the walls of the arteries as the ventricles contract and relax