Lecture Exam 3 - Explanation of the Heart & Cardiac Cycle

Question 1

• Cardiac output

Answer 1

is the term that describes the volume of blood your heart pumps in one minute

Question 2

• How are the sounds produced that you hear when you listen to someone’s heartbeat?

Answer 2

The beating is that of two sounds, where the first heart sound is created by the recoil of blood against the closed AV valves and the second sound is caused by the vibrations caused by closing of the semilunar valves

Question 3

• What is the Cardiac output equation?

Answer 3

stroke volume (ml or L) x heart rate (bpm)

Question 4

• What is your stroke volume?

Answer 4

is the volume of blood pumped out of the LEFT ventricle of the heart during each systolic cardiac contraction