Which of the following best describes the forearm?

b. Pronator quadratus is attached to the radius and ulna and lies against the anterior surfaces of these bones. Explanationsa. The median nerve is found on the deep surface of flexor digitorum superficialis muscle, to which it is usually bound with fascia. c. The Ulnar nerve lies under flexor carpi ulnaris with the ulnar aery on its lateral side. d. The anterior interosseous nerve is the branch of the median nerve which supplies the deep flexor muscles: the lateral two tendons of flexor digitorum profundus, pronator quadratus and flexor pollicis longus.