A 25 year old man was rushed to the hospital A&E with a deep knife cut to his wrist. The hand was dangling with flesh of the back of the wrist when the cloth used to wrap it was removed. He had torrential bleeding from the wound site. Quick assessment by the casualty officer revealed a sharp cut approximately 2cm proximal to the distal wrist crease, exposing the medial palpable carpal bone. (A). Which medial palpable carpal bond was exposed? (B). List the structures that were severed. (C). List the effects of the severance of the tendons on the head. (D). List the effects of the severance of the nerves on the head.