This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Integrated QBank, Subject name: Unknown
[{'content': 'A 80-year-old man is admitted to the emergency depament with severe pain at his right hip and thigh. Patient had difficulty in standing and mobility at the joint was reduced due to the severe pain. Patient had a history of fall 2 days back. Patient also told that he had been taking steroids for the past 3 years. An MRI examination of the right hip region was done. Which of the following aeries is most likely to be injured resulting in the above condition:- \nSelect and explain. \nA. Foveolar aery, B. Descending branch of lateral circumflex femoral, C. Deep circumflex iliac aery, D. Ascending branch of medial circumflex femoral', 'role': 'user'}, {'content': 'Answer: D \nExplanation: MRI reveals avascular necrosis of the right hip joint. Blood supply of head of femur: The retinacular vessels which are branches of ascending medial and lateral circumflex femoral aeries are the chief supply to the epiphysis and femoral head at all ages. The foveolar aery constitutes a small and subsidiary blood supply to the femoral epiphysis The deep circumflex iliac aery arises from the external iliac aery and supplies branches to the ilium, the iliacus muscle, and lower poions of the abdominal wall. The descending branch of the lateral circumflexfemoral supplies the vastus lateralis muscle and paicipates in anastomoses at the knee.', 'role': 'assistant'}]