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 B

Explanation

A: Rales are described as fine crackling sounds, not high-pitched crowing.

B: Stridor is a high-pitched, wheezing sound heard primarily during inhalation and is often caused by an obstruction in the upper airway.
C: Wheezes are typically associated with asthma and are musical in nature, occurring mostly during exhalation.
D: Rhonchi are low-pitched sounds that resemble snoring and are caused by obstructions in the larger airways.

A. The patient's spouse reports experiencing marital issues. B. The patient reports a history of chest pain. C. The patient complains of chronic constipation. D. The patient verbalizes anxiety about hospitalization.

Correct Answer is A

Explanation

A. The patient's spouse reporting experiencing marital issues is a perfect example of secondary information as it comes from someone other than the patient and might affect the patient's care or emotional well-being indirectly.
B. The patient reports a history of chest pain, is an example of primary information. This is because the patient directly reports the symptoms of their health condition.
C. The patient complaining of chronic constipation is an example of primary information. This is because the patient is directly reporting their own health condition.

D. The patient verbalizes anxiety about hospitalization is also primary information, directly provided by the patient concerning their feelings about the current care environment.

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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?

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