What is the average lifespan of biologic and mechanical heart valve replacements?
a. 1 to 5 years
b. 5 to 10 years
c. 10 to 15 years
d. indefinite
Question 2
A heart murmur is often heard with auscultation and indicative of involvement of which structure?
a. aortic valve
b. mitral valve
c. right ventricle
d. left ventricle