Which of the Following Statements Regarding the Cardiac Cycle Is

question 61

Multiple Choice

Which of the following statements regarding the cardiac cycle is TRUE?

• A) The AV valves are open during mid-to-late diastole.
• B) The aortic valve is open during isovolumetric ventricular contraction.
• C) The first heart sound is caused by the closing of the semilunar valves.
• D) The dicrotic notch is a result of closure of the AV valves.
• E) Closure of the AV valves occurs when the ventricles reach end-systolic volume.

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Definitions:

Dehydration

A condition resulting from excessive loss of body water, impairing normal bodily functions.

Incentive

A positive or negative environmental stimulus that motivates behavior.

Dairy Queen

A chain of soft serve ice cream and fast-food restaurants.

Incentive

A thing that motivates or encourages someone to do something, often seen in psychology as a way to influence behavior.