The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Which of the following are seen in ectodermal dysplasia?   (A) Hyperpyrexia   (B) Protuberant lips and frontal bossing   (C) Defective or absence of sweat glands   (D) Any of the above
['(D) Any of the above <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Hyperpyrexia \n (B) Protuberant lips and frontal bossing \n (C) Defective or absence of sweat glands \n (D) Any of the above <> possible answers', '  Which of the following are seen in ectodermal dysplasia? <> context@']