Regarding the blood pressure in children, the diastolic pressure is assessed by the auscultation of a:
murmur or swishing sound that increases with depression of the cuff.
clear tapping that gradually grows louder
louder knocking sound that occurs with each heartbeat.
sudden change or muffling of the sound.
The Correct Answer is D
A. A murmur or swishing sound does not correspond to the diastolic pressure; it is more indicative of turbulent blood flow.
B. Clear tapping sounds are heard at systolic pressure but do not indicate diastolic pressure.
C. Knocking sounds are associated with systolic pressure, not diastolic.
D. The muffling sound heard after the first Korotkoff sounds indicates the diastolic pressure in children and some adults, which is the correct method for assessing the diastolic reading.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. Dehydration causes a drop in circulating blood volume, which can lead to lower blood pressure, not muffled sounds.
B. When a person is dehydrated, there is less fluid in the bloodstream, which typically causes a decrease in blood pressure.
C. Blood pressure is likely to decrease in dehydration due to reduced circulating volume, rather than remain unchanged.
D. Dehydration will not increase blood pressure; it typically causes a compensatory decrease in blood pressure.
Correct Answer is D
Explanation
A. Hyperthermia refers to an abnormally high body temperature due to external factors or failure to regulate body heat, not necessarily a fever coming down.
B. Pyrexia is another term for fever and occurs when the body temperature is elevated due to an infection or other causes.
C. Hypothermia refers to dangerously low body temperature, which is not related to a fever resolving.
D. Defervescence refers to the process of a fever breaking, and the body temperature returning to normal as the fever resolves.
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