Which of the following is considered a carcinogen?

Reattachment would apply to:

A. suturing a finger laceration. B. a completely severed toe. C. an artificial external ear. D. a prosthetic leg.

Brian has come to the physician's office complaining of pain and stiffness in his left elbow. He is a member of the crew team at his college, and the stiffness is affecting his ability to row. Which types of testing would you expect the physician to perform first? 

A. Mobility and muscle strength testing B. Muscle strength and gait testing C. Gait testing and blood testing D. Blood testing and posture testing E. Posture testing and muscle strength testing