A nurse is assessing a client's body temperature. Which route provides the most accurate measurement of core body temperature?
Oral
Axillary
Temporal
Rectal
The Correct Answer is D
Answer: d. Rectal Explanation: The rectal route provides the most accurate measurement of core body temperature as it reflects the temperature of blood perfusing the hypothalamus, which regulates body temperature.
a. The oral route is commonly used and provides a convenient method for temperature measurement but may be influenced by oral intake and respiratory route, making it slightly less accurate.
b. The axillary route is less invasive and easier to use, but it tends to underestimate core body temperature.
c. The temporal route provides a quick measurement but may not be as accurate as the rectal route, especially in certain populations.
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Related Questions
Correct Answer is D
Explanation
Answer: d. Position the thermometer in the client's ear canal.
Explanation: Tympanic thermometers are used by positioning the thermometer in the client's ear canal to obtain an accurate measurement of body temperature.
a. Placing the thermometer in the mouth is appropriate for oral temperature measurement but not for tympanic thermometers.
b. Inserting the thermometer into the rectum is appropriate for rectal temperature measurement but not for tympanic thermometers.
c. Aiming the thermometer at the forehead is appropriate for temporal artery thermometers but not for tympanic thermometers.
Correct Answer is C
Explanation
Answer: c. 20 seconds
Explanation: To obtain an accurate reading using an electronic thermometer, the nurse should leave the thermometer in place for approximately 20 seconds or as recommended by the manufacturer's instructions.
a. 5 seconds is typically not sufficient to obtain an accurate reading with an electronic thermometer.
b. 10 seconds may be sufficient for certain electronic thermometers, but 20 seconds is generally recommended for accuracy.
d. 1 minute is longer than necessary for most electronic thermometers and may not provide any additional benefit in terms of accuracy.
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