Cardiology Anatomy and Physiology EXAM II 2020

Question 1

point of maximum impulse

Answer 1

apex

Question 2

top of the heart and where the atria are.

Answer 2

base

Question 3

what are the 3 layers of the heart

Answer 3

endocardium
myocardium
epicaridum

Question 4

what it the heart housed in ?

Answer 4

pericardial sac

Question 5

The tricupsid valve is between what atrium and valve

Answer 5

Right atrium and right valve

Question 6

The mitral (bicupsid) valve is between what atrium and valve?

Answer 6

left atrium and left valve

Question 7

what is a normal stroke volume?

Answer 7

4-8 L per minute

Question 8

what is cardiac output? and the normal range of ouput?

Answer 8

stroke volume x heart rate

- (4-7) Liters

Question 9

when the heart muscle is relaxed

Answer 9

repolarization

Question 10

what is the pace of the SA node?

Answer 10

60-100 BPM

Question 11

what is the pace of the AV node?

Answer 11

40-60 BPM

Question 12

what is the pace of the bundle of HIS?

Answer 12

less than 40 BPM

Question 13

contraction/ejection of the blood

Answer 13

systole

Question 14

relaxation/filling of the aorta with blood

Answer 14

diastole

Question 15

the amount of blood ejected with each ventricular contraction

Answer 15

stroke volume

Question 16

the amount of cardiac muscle fiber stretch that exists at the end of diastole just before contraction of the ventricles (the amount of stretch of the muscle tissue at the end of filling)

Answer 16

preload

Question 17

refers to the resistance the ventricles must overcome to open the semilunar valves and eject the contents.

Answer 17

afterload

Question 18

percentage of the blood ejected from the heart during systole. normal range is 55-70. anything lower indicates heart failure of some sort.

Answer 18

Ejection Fraction