Femoral Head Fractures Quiz

Which artery is the primary blood supply to the femoral head in adults?

• Obturator artery

• Medial circumflex femoral artery

• Lateral circumflex femoral artery

• Inferior gluteal artery

Which ligament attaches the femoral head to the acetabulum?

• Iliofemoral ligament

• Pubofemoral ligament

• Ischiofemoral ligament

• Ligamentum teres

What is the primary function of the iliopsoas muscle in relation to the hip joint?

• Extension

• Abduction

• Flexion

• Lateral rotation

Which nerve innervates the gluteus medius muscle?

• Femoral nerve

• Obturator nerve

• Superior gluteal nerve

• Inferior gluteal nerve

In a displaced femoral neck fracture, which structure is most at risk for injury leading to avascular necrosis?

• Sciatic nerve

• Femoral artery

• Retinacular arteries

• Obturator nerve

Which of the following is NOT a part of the hip joint capsule?

• Iliofemoral ligament

• Pubofemoral ligament

• Ischiofemoral ligament

• Sacroiliac ligament

The greater trochanter serves as an attachment site for which muscle?

• Pectineus

• Adductor magnus

• Gluteus maximus

• Gluteus medius

Which structure exits the pelvis through the greater sciatic foramen to enter the gluteal region?

• Femoral nerve

• Obturator artery

• Sciatic nerve

• Pudendal nerve

The femoral neck is oriented how in relation to the femoral shaft?

• Anteriorly and superiorly

• Posteriorly and inferiorly

• Medially and inferiorly

• Laterally and superiorly

Which of the following is a common complication of femoral neck fractures due to the anatomy of the blood supply?

• Compartment syndrome

• Avascular necrosis

• Fat embolism

• Deep vein thrombosis