Question

1) Ejection fraction represents which of the following?

Select one:

a. The percentage of blood ejected by the heart upon contraction.

b. The millimeters of blood ejected from the heart upon contraction.

c. volume of blood ejected divided by the total volume of blood filling the heart

d. both a and c choices are correct

2) Which of the following is most related to the concept of perfusion?

Select one:

a. Stroke volume

b. Diastole

c. Mean arterial pressure

d. Systole

3) Which of the following best describes stroke volume?

Select one:

a. Stroke volume is the systolic volume minus the diastolic volume

b. The volume of blood ejected from the heart

c. The volume of blood left in the heart after the heart contracts

d. The volume of blood in the heart

4) If you had a cardiac output of 8.5L, what might the body do to compensate?

Select one:

a. increase the heart rate

b. decrease the heart rate

c. increase the stroke volume

d. decrease the pulse pressure

5) Which of the following represents the amount of pressure in the arteries when the heart contracts?

Select one:

a. diastolic pressure

b. pulse pressure

c. mean arterial pressure

d. systolic pressure