To ensure an accurate reading when using a glass oral thermometer, it is necessary to

rinse the thermometer with water.

dry the thermometer with a dry cotton ball.

wipe the thermometer with alcohol.

shake down the galinstan alloy to below normal.

Answer and Explanation

The Correct Answer is D

A.   Rinsing the thermometer with water is not necessary to ensure an accurate reading. The thermometer should be cleaned after use but rinsing with water does not directly ensure accuracy.
B.   Using a dry cotton ball to dry the thermometer is unnecessary and could leave fibers on the device that may interfere with reading accuracy.
C.   Wiping the thermometer with alcohol helps sanitize it but does not directly influence the accuracy of the reading.
D.   Shaking down the galinstan alloy to below normal is necessary to reset the thermometer before use, ensuring that the mercury level is accurate when taking a new temperature.

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Correct Answer is B

Explanation

A. Bradycardia is defined as a heart rate lower than 60 beats per minute. Therefore, 62 beats per minute is not bradycardic.
B. 59 beats per minute would be considered bradycardic, as it is below 60.
C. 64 beats per minute is within normal limits.
D. 60 beats per minute is on the threshold of bradycardia but typically is still within normal limits for some individuals.

A. measuring the oxygenated hemoglobin through a capillary bed. B. assessing the amount of blood passing through the sensor. C. assessing the relative warmth of the skin on the monitored part. D. measuring the respirations to the blood pressure via infrared rays.

Correct Answer is A

Explanation

A. Pulse oximetry works by using light absorption to measure the oxygen saturation of hemoglobin in the blood, which typically occurs through the capillary bed in areas like the finger or earlobe.
B. The pulse oximeter does not measure the amount of blood passing through the sensor directly, but rather the oxygen content of the blood.
C. The pulse oximeter does not assess the warmth of the skin as a mechanism for measuring oxygenation.
D. Pulse oximeters measure oxygen saturation levels, not the respiratory rate or blood pressure.

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To ensure an accurate reading when using a glass oral thermometer, it is necessary to

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Naxlex Comprehensive Predictor Exams

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Explanation

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