The typical Lubb – Dup sounds heard in the heart of a healthy person are due to …………………..
A. closing of cuspid valves followed by the closing of the semilunar valves
B. closing of semilunar valves
C. closing of tricuspid valves
D. closing of bicuspid valves
Answer:A
The typical Lubb – Dup sounds heard in the heart of a healthy person are due to …………………..
A. closing of cuspid valves followed by the closing of the semilunar valves B. closing of semilunar valves C. closing of tricuspid valves D. closing of bicuspid valves