Adverse effects and toxicity

Adverse effects and toxicity ( 5 Questions)

Question 1 :

A nurse is reviewing the medication history of a client who is prescribed an antibiotic for a urinary tract infection. The nurse notes that the client has a history of allergic reactions to penicillins, cephalosporins, sulfonamides, and fluoroquinolones.
Which class of antibiotics should the nurse avoid administering to this client?



Correct Answer: A

The nurse should avoid administering macrolides to this client because they have a history of allergic reactions to penicillins, cephalosporins, sulfonamides, and fluoroquinolones. Macrolides are a class of antibiotics that have a similar structure and mechanism of action to penicillins and cephalosporins. Therefore, there is a risk of cross-reactivity and hypersensitivity reactions between these antibiotics.

Choice B is wrong because Tetracyclines is wrong because tetracyclines are a class of antibiotics that have a different structure and mechanism of action from penicillins, cephalosporins, sulfonamides, and fluoroquinolones. They are not likely to cause cross-reactivity or hypersensitivity reactions in this client.

Choice C is wrong because Aminoglycosides is wrong because aminoglycosides are a class of antibiotics that have a different structure and mechanism of action from penicillins, cephalosporins, sulfonamides, and fluoroquinolones. They are not likely to cause cross-reactivity or hypersensitivity reactions in this client.

Choice D is wrong because Glycopeptides is wrong because glycopeptides are a class of antibiotics that have a different structure and mechanism of action from penicillins, cephalosporins, sulfonamides, and fluoroquinolones. They are not likely to cause cross-reactivity or hypersensitivity reactions in this client.


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