Which of the following is designated by a deterioration of the head of the femur due to a lack of blood supply?
a. Osteomyelitis
b. Gout
check c. Perthes disease
d. Paget's disease
Explanation: Perthe's disease is an avascular necrosis of the ball of the femur at the hip joint. The condition is caused by a lack of blood supply to the growth plate in the femur head that causes the deterioration of bone.