The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Functional appliances in skeletal class II are indicated when:   (A) Maxilla is normal, mandible is retrognathic   (B) Maxilla is prognathic   (C) Mandible is retrognathic in a mature individual   (D) When severe crowding is present
['(A) Maxilla is normal, mandible is retrognathic <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Maxilla is normal, mandible is retrognathic \n (B) Maxilla is prognathic \n (C) Mandible is retrognathic in a mature individual \n (D) When severe crowding is present <> possible answers', '  Functional appliances in skeletal class II are indicated when: <> context@']