Question

Blood flow causes vibrations in the heart chambers and valves and produces sounds that can be heard with a stethoscope. Evaluate

which of these does NOT necessarily contribute to the sounds detected by the stethoscope as blood passes through the heart.
A) iron level is the blood
B) velocity of the blood during motion
C) viscosity of the blood as it moves through the heart
D) density of the blood as it is pumped through the heart

Answer 1

A. iron level of the blood

Step-by-step explanation:

All of the other properties are physical properties that can be detected by vibrations picked up by the stethoscope. The chemical property, iron level, will not necessarily be detected by the stethoscope but may contribute to poor cardiac health.

Answer 2

Answer:A. iron level of the blood

Step-by-step explanation: