it is based on the pricipal of reflection and amplification of sound waves.
It's called a Stethoscope.
The correct spelling is "stethoscope" (medical instrument used to listen to sounds inside the body)
Stethoscope
No, you do not. The hospital where you will be doing your work will have one for you.
They are acoustic, inside is a diaphram that vibrates and amplifies sound passing it through the hollow tubes.
What is a binaurals on a stethoscope
Depends : fingers, stethoscope, EKG.
A stethoscope is used to listen to what is inside or underneath something, i.e. doctors will use a stethoscope to listen to a patient's heart over their chest in order to find a murmur, or also a patient's lungs to are if they sound congested.
Rene Laennec invented the stethoscope.
The stethoscope was invented by Rene' Laennec.
"The doctor used the stethoscope on the patient to try and hear his heartbeat and breathing patterns."
Almost all of them - a stethoscope detects only sound. As all the many functions that go on inside your body as silent unless there is turbulence involved (and turbulence is actively suppressed {by growth} everywhere except during inhalation) ... thus only "errors" of fluid flow design are detectable by a stethoscope.