A nurse is preparing to administer amoxicillin to a client who has a respiratory infection. The client states that he is allergic to penicillin and shows the nurse a medical alert bracelet. Which of the following actions should the nurse take?
Administer the medication as prescribed and monitor for signs of an allergic reaction.
Hold the medication and notify the provider of the client's allergy.
Ask the client about the type and severity of his allergic reaction to penicillin.
Administer an antihistamine before giving the medication to prevent an allergic reaction.
The Correct Answer is B
Amoxicillin is a penicillin derivative that has a high cross-reactivity with penicillin. Therefore, the nurse should hold the medication and notify the provider of the client's allergy. The provider may prescribe an alternative antibiotic that belongs to a different class, such as a macrolide or a fluoroquinolone.
A) is incorrect because administering the medication as prescribed and monitoring for signs of an allergic reaction can put the client at risk of developing a serious or life-threatening reaction, such as anaphylaxis. The nurse should not administer any medication that the client is allergic to.
C) is incorrect because asking the client about the type and severity of his allergic reaction to penicillin is not enough to prevent an allergic reaction to amoxicillin. Even if the client had a mild reaction to penicillin in the past, he may have a severe reaction to amoxicillin in the present. The nurse should avoid giving any medication that has cross-sensitivity with penicillin.
D) is incorrect because administering an antihistamine before giving the medication to prevent an allergic reaction is not a safe or effective practice. Antihistamines do not prevent anaphylaxis, which is a life-threatening reaction that requires immediate intervention. Antihistamines can also mask some signs of an allergic reaction, such as itching and hives, making it harder to detect and treat.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Rationale: Ibuprofen is a nonsteroidal anti-inflammatory drug (NSAID) that can increase the risk of bleeding when taken with warfarin, which is an anticoagulant. NSAIDs inhibit platelet aggregation and interfere with warfarin metabolism, leading to increased levels of warfarin and prolonged prothrombin time (PT) and international normalized ratio (INR).
A) is incorrect because acetaminophen is an analgesic and antipyretic that does not affect platelet function or warfarin metabolism. However, high doses or chronic use of acetaminophen can increase INR and cause liver toxicity, so the nurse should advise the client to limit acetaminophen intake and monitor liver function tests.
C) is incorrect because loratadine is an antihistamine that does not interact with warfarin or affect bleeding. Loratadine can be used safely by clients who have allergies and are taking warfarin.
D) is incorrect because calcium carbonate is an antacid and a calcium supplement that does not interact with warfarin or affect bleeding. However, calcium carbonate can interfere with the absorption of other medications, so the nurse should instruct the client to take it at least 2 hours before or after other medications.
Correct Answer is A
No explanation
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