John had a minor burn, and decided to use the following vitamin:

Question

BlackTom AI · Accepted Answer

Vitamin E (tocopherol) is an antioxidant that stabilizes cell membranes and protects skin cells from oxidative damage, which is why it is commonly used topically to aid healing of minor skin injuries such as small burns and to reduce scarring.

Relevant concepts:
- Antioxidants protect cells from free-radical damage produced during tissue injury and inflammation.
- Skin healing requires protection of keratinocytes and fibroblasts and stabilization of cell membranes while epithelialization proceeds.
- Different vitamins have distinct dermatologic roles: vitamin C is crucial for collagen synthesis systemically, vitamin A (retinoids) affects epithelial proliferation and differentiation, niacin (B3) influences skin barrier and circulation, and “B15” (pangamic acid) is not an established essential vitamin with proven burn therapy utility.

Step-by-step reasoning:
1. Examine each option for known use in minor burn care.  
2. Vitamin E (option a): topical tocopherol is widely used to soothe burns, provide antioxidant protection, and is marketed to reduce scar formation. Its mechanism—neutralizing lipid peroxyl radicals and protecting cell membranes—directly supports skin recovery after minor thermal injury. Thus it is an appropriate selection.  
3. Vitamin C (option e): important for collagen hydroxylation and wound healing when supplied systemically, but topical vitamin C is not the standard immediate treatment for minor burns and is less commonly used as the primary vitamin dressing.  
4. Vitamin A (option b): retinoids modulate epithelial growth but can irritate damaged skin and are not a first-line topical for an acute minor burn.  
5. Vitamin B3 (niacin, option d): has roles in skin health and circulation but is not specifically indicated as a topical treatment for minor burns.  
6. B15 (option c): pangamic acid is not recognized as an essential vitamin with clinical evidence supporting burn treatment.

Why the correct answer is correct:
Vitamin E’s antioxidant and membrane-stabilizing actions make it suitable for topical use in minor burns to protect cells and support healing, which aligns with common therapeutic practice for small, non–full-thickness burns.

Why other options are incorrect (brief):
- B15: not an established or evidence-based treatment.  
- A: retinoids can irritate and are not ideal on acute burns.  
- C: important for collagen but not the primary topical agent for immediate minor burn care.  
- B3: not specifically indicated for topical minor-burn management.

Therefore, the correct answer is a. E, which matches the provided answer.

John had a minor burn, and decided to use the following vitamin:Single choice

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