Which type of valve consists of the pulmonary valve and aortic valve?
a. Atrioventricular
b. Tricuspid
c. Mitral
d. Semilunar
ANS: D
The semilunar valves open to allow blood to flow from the heart chambers to the great vessels. Two types of semilunar valves include the pulmonary and aortic valves.
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