General Medicine General bcb20b7d A patient with a deep stab wound in the middle of the forearm has impaired movement of the thumb. Examination indicates a lesion of the anterior interosseous nerve. Which of the following muscles is paralyzed? A Flexor pollicis longus and brevis B Flexor pollicis longus and opponens pollicis C Flexor digitorum profundus and pronator quadratus D Flexor digitorum profundus and superficialis