A nurse is assisting with teaching a newly licensed nurse about the loss of body heat. The nurse should include that heat loss that occurs when sweat dries on the skin is caused by which of the following mechanisms?

Convection

Evaporation

Conduction

Radiation

Answer and Explanation

The Correct Answer is B

A: Convection involves the movement of air or liquid around the body, which then carries heat away but does not involve phase change like evaporation.
B: Evaporation is the process where liquid (sweat) turns into vapor, removing heat from the surface it evaporates from, which is the primary cooling mechanism in sweating.
C: Conduction involves direct transfer of heat through contact with cooler objects, not relevant to the drying of sweat.
D: Radiation refers to heat transfer through electromagnetic waves and does not require the presence of an intervening medium, unlike the evaporation of sweat.

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Correct Answer is D

Explanation

A: Sonorous wheezes are low-pitched sounds and do not describe fine rales.

B: Musical or whistling sounds typically describe wheezes which are continuous and not the discontinuous sound of rales.
C: Noisy, snoring sounds are characteristic of rhonchi, not rales.

D: Fine rales are high-pitched, brief, and discontinuous crackling sounds that are often likened to the sound of hair being rubbed between fingers, indicative of fluid in the small airways.

A. The patient's daughter appears anxious about the patient's hospitalization. B. The patient reports a history of chronic obstructive pulmonary disease. C. The patient's spouse reports the patient has difficulty sleeping. D. The patient's caregiver complains of feeling overwhelmed.

Correct Answer is B

Explanation

A: The daughter's anxiety is secondary information and not directly related to the patient's health status.
B: The patient's self-reported medical history is primary data as it comes directly from the patient and provides essential information for the assessment.
C: The spouse's report of the patient's difficulty sleeping is secondary information and not directly observed or reported by the patient.
D: The caregiver's complaint is secondary information and does not provide direct insight into the patient's health status.

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A nurse is assisting with teaching a newly licensed nurse about the loss of body heat. The nurse should include that heat loss that occurs when sweat dries on the skin is caused by which of the following mechanisms?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

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