Introduction
Introduction ( 7 Questions)
A nurse is caring for a client who has a severe allergic reaction to a medication and requires immediate administration of diphenhydramine. The nurse should administer the medication by which of the following routes?
A and B are incorrect because intramuscular and subcutaneous injections have slower absorption rates than intravenous injection and may not provide adequate relief in an emergency situation.
A and B are incorrect because intramuscular and subcutaneous injections have slower absorption rates than intravenous injection and may not provide adequate relief in an emergency situation.
Answer: C. Intravenous injection is the fastest route for administering diphenhydramine in a severe allergic reaction because it provides immediate onset of action and avoids the first-pass metabolism in the liver.
D is incorrect because oral administration of diphenhydramine has the slowest absorption rate and onset of action and is subject to first-pass metabolism in the liver.
Answer: C. Intravenous injection is the fastest route for administering diphenhydramine in a severe allergic reaction because it provides immediate onset of action and avoids the first-pass metabolism in the liver.
A and B are incorrect because intramuscular and subcutaneous injections have slower absorption rates than intravenous injection and may not provide adequate relief in an emergency situation.
D is incorrect because oral administration of diphenhydramine has the slowest absorption rate and onset of action and is subject to first-pass metabolism in the liver.