Ammonia from brain is removed as:
(A) Urea (B) Alanine (C) Glutamate (D) Glutamine
(D) Ans: D. Glutamine(Ref. Harper 30/e p292).Ammonia from brain is removed as glutamine.Ammonia disposal:Ammonia from all over body reaches liver, detoxified to urea by liver cells & excreted through kidney.Ammonia formed in most tissues including brain is trapped by glutamate to form glutamine (primary ammonia trapping).