Answer to Question 1
ANS: A, D
The aortic and pulmonary valves are known as semilunar valves because each of their cusps looks like a half-moon. The mitral and tricuspid valves are atrioventricular valves. A bicuspid valve simply has two cusps.
Answer to Question 2
ANS: C
All options are important for the postoperative child who had a pacemaker insertion. However, the instruction that is specific to this operation is the schedule for follow-up pacemaker function testing, which will be lifelong.