Question

The stethoscope is a device commonly used by doctors to monitor heart function. When listening to a heart beating using a stethoscope, the doctor hears the characteristic "lub-dub" sounds. The lub sound represents the of the atrioventricular valves and the dub sound represents the closure of the valves between . Doctors can also use stethoscopes to monitor respiratory function. A wheezing or whistling sound most likely indicates .

Answer 1

Answer:

The lub sound represents the closing of the atrioventricular valves and the dub sound represents the closure of the valves between the ventricles and arteries. Doctors can also use stethoscopes to monitor respiratory function. A wheezing or whistling sound most likely indicates a constricted trachea.

Explanation:

One can easily feel the heartbeat sound in the form of lub-dub by the stethoscope. The lub sound depicts the closure of the tricuspid valve and the mitral valves. Dub depicts the closure of the aortic and pulmonary valves.

A wheezing sound can be felt in the respiratory tract when an inflammation or blockage occurs in the airways or trachea. The wheezing sound is generally heard at the time of exhaling.