Answer:
The bell of the stethoscope is used during auscultation to listen for low pitched sounds typical of a heart murmur.
Explanation:
Auscultation is a diagnostic test that listens to sounds from the heart, lungs, bowels, the circulatory system and other parts of the human body.
The stethoscope is an instrument that is designed for auscultation.
The diaphragm of the stethoscope listens for high pitched sounds typical of the bowels, a normal heart, and breathing.
The bell of the stethoscope listens for low pitched sounds typical of a heart murmur.
<span>b. when the trait being measures is ill-defined - answer</span>
Answer:
2 NaCl + CaCO3 = these are the reactants
Explanation:
In much of the world, calcium chloride is derived from limestone as a by-product of the Solvay process, which follows the net reaction below: 2 NaCl + CaCO3 → Na2CO3 + CaCl.
Pain that may be perceived at a distinct point on the surface of body ,such as the back or shoulder is called as referred pain .
what is referred pain ?
Referred pain is also known as reflective pain ,which is perceived at a location other than the site of the painful stimulus .
Example is case of angina pectoris brought on by heart attack where the pain is often felt in left side of neck ,left side of shoulder and back rather than in the thorax ( chest ) which is the site of injury.
Referred pain often experienced n the same side of the body as the source ,but not always .
Hence the correct answer is Referred pain .
Learn more about Referred pain here:
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Answer:
Most organisms cannot obtain nitrogen from the atmosphere. Nitrogen fixing bacteria take Nitrogen out of the atmosphere and make it available for consumption by the other organisms, This is important because Nitrogen is an essential building block of life.