A nurse is collecting data from a client following the administration of a new medication. Which of the following findings should the nurse identify as a manifestation of an allergic reaction?
Jaundice
Urticaria
Bradycardia
Hypertension
The Correct Answer is B
A. Jaundice. Jaundice, or yellowing of the skin and eyes, is a sign of liver dysfunction and may indicate hepatotoxicity rather than an allergic reaction. Some medications can cause drug-induced liver injury (DILI), but jaundice is not a typical symptom of an immediate hypersensitivity reaction.
B. Urticaria. Urticaria (hives) is a classic allergic reaction that appears as raised, red, itchy welts on the skin. It occurs due to the release of histamine in response to an allergen, which increases capillary permeability and leads to swelling and itching. Urticaria may be accompanied by angioedema, respiratory distress, or anaphylaxis, requiring immediate intervention if severe.
C. Bradycardia. Bradycardia (slow heart rate) is not a typical manifestation of an allergic reaction. While anaphylaxis can cause hypotension and tachycardia due to systemic vasodilation, bradycardia is more commonly associated with beta-blockers, heart block, or vagal stimulation rather than an allergic response.
D. Hypertension. Allergic reactions, especially severe ones like anaphylaxis, typically cause vasodilation and hypotension, not hypertension. While stress or anxiety related to an allergic episode may lead to a temporary rise in blood pressure, persistent hypertension is not a direct sign of an allergic reaction.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. Fluconazole. Fluconazole is an antifungal medication used to treat fungal infections, such as candidiasis. It is not related to penicillin and does not pose a risk for cross-reactivity in clients with a penicillin allergy. It can be safely administered in this scenario.
B. Tetracycline. Tetracycline is a broad-spectrum antibiotic used to treat bacterial infections, including acne and respiratory infections. It belongs to a different antibiotic class than penicillins and cephalosporins, meaning it does not pose a risk of cross-reactivity in clients with a penicillin allergy.
C. Acyclovir. Acyclovir is an antiviral medication used to treat viral infections, such as herpes simplex and varicella-zoster. Since it does not belong to the beta-lactam antibiotic class, it is not contraindicated for clients with a penicillin allergy.
D. Cephalexin. Cephalexin is a first-generation cephalosporin, which shares a similar beta-lactam ring structure with penicillins. Clients with a history of an anaphylactic reaction to penicillin are at increased risk of cross-reactivity with cephalosporins, particularly first-generation ones like cephalexin. Due to the severity of the client’s allergic reaction, cephalexin should be avoided, and an alternative non-beta-lactam antibiotic should be considered.
Correct Answer is ["3"]
Explanation
Convert pounds to kilograms:
Conversion factor: 1 kg = 2.2 lb
66 lb / 2.2 lb/kg = 30 kg
Calculate the dose to administer:
Dose (mg) = Weight (kg) × Dosage (mg/kg)
=30 kg × 0.1 mg/kg
= 3 mg
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