HESI RN · HESI Pharmacology · Integumentary system drugs
Full Question & Rationale Repository
Showing all 3 practice questions with expert explanatory rationales.
The following drugs are recognized causes of Stevens-Johnson syndrome:
Expert Explanatory Rationale
Correct Answer: Phenytoin
Dilatation of the pupil (mydriasis) is produced by:
Expert Explanatory Rationale
Correct Answer: Atropine
The following are effective in the management of eczema:
Expert Explanatory Rationale
Correct Answer: Topical betamethasone
Option A: Topical betamethasone is a potent corticosteroid that effectively reduces inflammation and itching associated with eczema, making it a first-line treatment in managing this condition. Its anti-inflammatory properties help to alleviate symptoms and promote skin healing.
Option B: Topical alpha-tocopherol, while an antioxidant, does not have established efficacy in treating eczema and lacks the anti-inflammatory action needed for effective management.
Option C: Dithranol is primarily used for psoriasis and is not indicated for eczema, as it can cause irritation and is not effective for this condition.
Option D: Calcipotriol is a vitamin D analog used mainly for psoriasis treatment and does not address the inflammatory component of eczema effectively.
Takeaways: Effective management of eczema often involves the use of topical corticosteroids like betamethasone, which significantly reduce inflammation and itching, requiring appropriate patient education on its use to ensure safe and effective treatment.
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