In What Phase Is the Cardiac Cycle When the Semilunar

question 70

Multiple Choice

In what phase is the cardiac cycle when the semilunar valves are open and AV valves are closed?

• A) atrial contraction
• B) ventricular filling
• C) isovolumetric contraction
• D) isovolumetric relaxation
• E) ventricular ejection

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Definitions:

Inhalation

The act of breathing in; drawing air or other substances into the lungs.

Physical Contact

The act of two or more objects or substances touching or coming into direct interaction with each other.

Ingestion

The act of taking food, drink, or another substance into the body through the mouth.