The characteristic Lubb-Dupp heart sounds are | vedclass

Name: Exam Paper Generator | JEE NEET Paper Generator | Vedclass
Brand: Vedclass
Rating: 5 (35 reviews)

Question

(D) The first heart sound,'$Lubb$',is produced by the closure of the $tricuspid$ and $bicuspid$ (mitral) valves at the beginning of ventricular systol

Vedclass · Accepted Answer

Closure of $semilunar$ valves,and closure of $tricuspid$ and $bicuspid$ valves

Vedclass · Answer

(D) The first heart sound,'$Lubb$',is produced by the closure of the $tricuspid$ and $bicuspid$ (mitral) valves at the beginning of ventricular systole.The second heart sound,'$Dupp$',is produced by the closure of the $semilunar$ valves (aortic and pulmonary valves) at the beginning of ventricular diastole.Therefore,the characteristic '$Lubb-Dupp$' sounds are caused by the sequential closure of these valves.

The characteristic $Lubb-Dupp$ heart sounds are produced due to which of the following?

Similar Questions

The valves in the heart allow the blood flow in which direction?
$I.$ From atria to ventricles
$II.$ From ventricles to pulmonary artery
$III.$ From pulmonary artery to aorta
Choose the correct option.

The His bundle is a network of .........

The nerve-like modified muscle in the right auricle is known as:

Bicuspid and tricuspid valves open when:

The human circulatory system consists of $.....$

Vedclass Test Series

Exam Paper Generator

Online Exam Module