Q. In the ventricular diastole, the …A… valve closes. This causes the second heart sound …B… . Choose the correct option for A and B
A) A-Semilunar; B-Dub
B) A-Mitral; B-Dub
C) A-Bicuspid; B-Dub
D) A-Tricuspid; B-Dub
Explanation
Lub The first heart sound is associated with the closure of tricuspid and bicuspid valves Dub The second heart sound is associated with the closure of semilunar valves
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.