Select the Appropriate Relationship Between the Valves Opening and Closing

question 9

Multiple Choice

Select the appropriate relationship between the valves opening and closing and pressure changes during the cardiac cycle.

• A) semilunar valves begin to open when the pressure in the ventricles exceed diastolic blood pressure in the aorta or pulmonary artery
• B) semilunar valves begin to open when the pressure in the ventricles exceed systolic pressure in the aorta or pulmonary artery
• C) atrioventricular valves begin to open when the pressure in the ventricles exceeds the pressure in the atria
• D) atrioventricular valves begin to close when the pressure in the aorta or pulmonary artery exceeds the pressure in the ventricles

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