ATI RN
ATI Pediatrics Exam 5 Questions
Extract:
2-month-old infant with heart rate 190/min and temperature 40° C (104° F)
Question 1 of 5
A nurse is obtaining vital signs from 2-month-old infant. The infant's heart rate is 190/min and his temperature is 40° C (104° F). The father asks the nurse why the infant's heart is beating so fast. Which of the following responses by the nurse is appropriate?
Correct Answer: A
Rationale: The correct answer is A. A fever can cause an increase in heart rate as the body works harder to fight off infection. The elevated temperature triggers the body to increase heart rate to help distribute blood and nutrients efficiently.
Choices B, C, and D are incorrect. B is incorrect because the heart rate does not increase to cool down the body, but rather in response to the fever.
Choice C is incorrect because a heart rate of 190/min in a 2-month-old infant is above the expected range and warrants further evaluation.
Choice D is incorrect because falling asleep does not directly lead to a decrease in heart rate in response to a fever.
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