A nurse is reviewing the medication list of a client who has a history of allergic reactions to penicillin and sulfa drugs. The nurse should identify that which of the following medications is contraindicated for this client?
Cefazolin
Ciprofloxacin
Vancomycin
Azithromycin
The Correct Answer is A
Answer: A. Cefazolin is a cephalosporin antibiotic that has a cross-sensitivity with penicillin and should be avoided by clients who are allergic to penicillin.
B is incorrect because ciprofloxacin does not have cross-sensitivity with penicillin or sulfa drugs and can be safely administered to this client.
C is incorrect because vancomycin does not have cross-sensitivity with penicillin or sulfa drugs and can be safely administered to this client.
D is incorrect because Azithromycin does not have cross-sensitivity with penicillin or sulfa drugs and can be safely administered to this client.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Holding the device at a 90-degree angle to the thigh ensures proper penetration and delivery of the medication into the vastus lateralis muscle.
A is incorrect because injecting the medication into the deltoid muscle may not provide adequate absorption and onset of action.
C is incorrect because massaging the injection site may increase the risk of bleeding and bruising and may decrease the absorption of the medication.
D is incorrect because repeating the injection after 5 minutes may cause overdose and adverse effects such as hypertension, tachycardia, arrhythmias, and myocardial ischemia.
Correct Answer is A
Explanation
Intramuscular injection is the preferred route for administering epinephrine in anaphylaxis because it provides rapid absorption and onset of action.
B is incorrect because subcutaneous injection has a slower absorption rate than intramuscular injection and may not provide adequate relief in an emergency situation.
C is incorrect because intravenous injection of epinephrine can cause severe adverse effects such as cardiac arrhythmias and hypertension and should be reserved for life-threatening situations when other routes are ineffective.
D is incorrect because oral administration of epinephrine is ineffective due to extensive first-pass metabolism in the liver.
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