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Multiple Choice
Which artery is the main blood supply to the thigh in the right lower limb?
A
Dorsalis pedis artery
B
Anterior tibial artery
C
Femoral artery
D
Popliteal artery
Verified step by step guidance
1
Step 1: Understand the anatomy of the lower limb and identify the major arteries that supply blood to different regions. The thigh is a large region in the upper part of the lower limb, requiring a significant blood supply.
Step 2: Recall the main arteries of the lower limb. The femoral artery is the continuation of the external iliac artery and is the primary artery supplying blood to the thigh. Other arteries, such as the popliteal artery, anterior tibial artery, and dorsalis pedis artery, supply blood to regions below the thigh.
Step 3: Analyze the options provided. The dorsalis pedis artery supplies blood to the foot, the anterior tibial artery supplies the anterior compartment of the leg, and the popliteal artery is located behind the knee. None of these are the main blood supply to the thigh.
Step 4: Confirm that the femoral artery is the correct answer. It travels through the femoral triangle in the upper thigh and provides branches that supply the muscles and skin of the thigh.
Step 5: Conclude that the femoral artery is the main blood supply to the thigh in the right lower limb, based on its anatomical location and function.