[Solved] Which is NOT true about fractured neck of femurs?

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Q.	Which is NOT true about fractured neck of femurs?
A.	the leg is shortened and externally rotated in most fractured neck of femurs
B.	the main source of blood to the femoral head is via the vessels running within cancellous bone from the diaphysis
C.	a subcapital fracture cuts off all the blood to the head of the femur resulting in avascular necrosis
D.	the blood supply to the head is increased by vessels in the capsular retinacula and it is this which prevents avascular necrosis of the head after an intertrochanteric fracture
E.	the ligamentum teres attaches to the central fovea???? on the femoral head and originates from the acetabulum
Answer» C. a subcapital fracture cuts off all the blood to the head of the femur resulting in avascular necrosis

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