This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Fungal infections, Scabies, Pediculosis, Subject name: Dental
[{'content': 'All of the following are about Pediculosis capitis except \nSelect and explain. \nA. Intolerable itching in severe cases, B. Scalp may be secondarily infected, C. Lymph nodes of neck enlarged, D. Hair cut is essential for adequate treatment', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Pediculosis Capitis (Head Lice) * Due to Pediculus humanus capitis, a bloodsucking, wingless insect * Feeds every 4-6 h; female lays 5-10 eggs/day close to scalp, cemented to hair * Presents as scalp pruritus with nits commonly found behind ears and at nape of neck Treatment:- Two applications 1 week apa of pediculicide * Malathion: organophosphate, flammable * Lindane: organochloride, not first line, neurologic toxicity (seizures, confusion, etc) * Permethrin: synthetic pyrethroid, resistance high * Pyrethrin: naturally occurring pyrethroid extract, resistance high. Ref:- Sima Jain; pg num:-244', 'role': 'assistant'}]