Following a laceration to the anterior surface of the wrist, a patient is unable to flex the proximal interphalangeal joint of his middle finger when his other fingers are held in extension. The tendon of which muscle has been divided?

Following a laceration to the anterior surface of the wrist, a patient

1.	Following a laceration to the anterior surface of the wrist, a patient is unable to flex the proximal interphalangeal joint of his middle finger when his other fingers are held in extension. The tendon of which muscle has been divided?
A.	palmaris longus
B.	flexor indics
C.	flexor digitorum profundus
D.	flexor digitorum superficialis
E.	none of the above
Answer» E. none of the above