This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Disorders of hair, Subject name: Dental
Hair fall seen after chemotherapy due to 
Select and explain. 
A. Anagen effluvium, B. Telogen effluvium, C. Androgenic alopecia, D. Catagen effluvium
A: Anagen effluvium
Answer: A: Anagen effluvium 
Explanation: Hair disorders 1) Anagen effluvium: - Diffuse shedding of anagen hair seen after chemotherapy | Shedding 2) Telogen effluvium: - Increased telogen hair loss seen in 3 months after pregnancy, typhoid fever or any chronic illness. 3) Androgenic alopecia- Testosterone | 5aReductase DHT -most potent form- responsible for hair loss. There is nothing called catagen effluvium.