A client with a documented allergy to penicillin is prescribed cephalosporin. The nurse will monitor the client for allergic responses, since cephalosporin can cause which reaction?
1. A heightened drug reaction
2. Pseudoallergy
3. Cross-allergy
4. A hyporesponsive reaction
Correct Answer: 3
Rationale 1: The degree of drug response will not be affected by the cross-allergy.
Rationale 2: The allergy is not false, or pseudo.
Rationale 3: Drugs with similar structure can elicit an allergic response in a receptive client, which is called cross-allergy.
Rationale 4: An allergic response is a hyper-responsive reaction.
Global Rationale: Drugs with similar structure can elicit an allergic response in a receptive client, which is called cross-allergy. The degree of drug response will not be affected by the cross-allergy. The allergy is not false, or pseudo. An allergic response is a hyper-responsive reaction.
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