This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nutrition, Subject name: Pediatrics
[{'content': 'Case of proven vitamin A deficiency in a child who has clouding of cornea is treated with_______ \nSelect and explain. \nA. Oral vitamin A tablets 100 IU/day, B. Oral syrup of vitamin A single does 1,000 IU/day, C. IM injection vitamin A 5,000 IU once, D. IM injection vitamin A 50,000 IU once', 'role': 'user'}, {'content': 'Answer: D \nExplanation: .One of the first signs of vitamin A deficiency is night blindness. A lack of vitamin A causes the cornea to become very dry, leading to clouding of the front of the eye,corneal ulcers and vision loss. Depending on the cause, treatment for corneal infections may include: Antibiotic, antibacterial, antifungal, or steroidal eye drops. Topical or oral antiviral medication. Phototherapeutic keratectomy (laser surgery) Corneal transplant. Reference: GHAI Essential pediatrics, 8th edition', 'role': 'assistant'}]