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 A

Explanation

A: To accurately determine a pulse deficit, one nurse must listen to the apical pulse while another nurse palpates the radial pulse simultaneously to compare both pulse rates, necessitating a second person.
B: Counting the apical pulse is a part of the process but would follow after ensuring another nurse is available to check the radial pulse at the same time.

C: This action relates to checking a pulse rate generally but does not specify the need for simultaneous comparison with the apical pulse.
D: Calculation of the difference is the final step after both pulses have been counted simultaneously.

A. Tachypnea B. Bradypnea C. Eupnea D. Apnea

Correct Answer is B

Explanation

A: Tachypnea refers to rapid breathing, typically defined as a respiratory rate exceeding 20 breaths per minute.
B: Bradypnea is characterized by abnormally slow breathing, with a respiratory rate below the normal range.
C: Eupnea describes normal breathing, with a respiratory rate within the typical range for the patient's age and health status.
D: Apnea is the absence of breathing, not merely a decreased rate, and is considered a medical emergency.

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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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Naxlex Comprehensive Predictor Exams

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Correct Answer is A

Explanation

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Correct Answer is B

Explanation

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