A hospital unit has a policy that rectal temperatures may not be taken on clients who have had cardiac surgery. What rationale supports this policy?
A) It is an embarrassing and painful assessment.
B) Thermometer insertion stimulates the vagus nerve.
C) It is less expensive to take oral temperatures.
D) It is to avoid perforating the wall of the rectum.
Ans: B
Because inserting the thermometer into the rectum can slow the heart rate by stimulating the vagus nerve, assessing a rectal temperature may not be allowed for clients after cardiac surgery.
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