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Multiple Choice
Which of the following is NOT a branch of the abdominal aorta?
A
Celiac trunk
B
Renal artery
C
Superior mesenteric artery
D
Inferior thyroid artery
Verified step by step guidance
1
Step 1: Understand the anatomy of the abdominal aorta. The abdominal aorta is the continuation of the thoracic aorta and supplies blood to the abdominal organs. It gives rise to several branches, including the celiac trunk, renal arteries, superior mesenteric artery, and others.
Step 2: Review the branches of the abdominal aorta. The celiac trunk supplies blood to the stomach, liver, and spleen. The renal arteries supply the kidneys, and the superior mesenteric artery supplies the intestines. These are all branches of the abdominal aorta.
Step 3: Identify the inferior thyroid artery. The inferior thyroid artery is not a branch of the abdominal aorta. It is a branch of the thyrocervical trunk, which arises from the subclavian artery in the neck region, not the abdominal region.
Step 4: Compare the anatomical locations. The abdominal aorta is located in the abdominal cavity, while the inferior thyroid artery is located in the neck region. This distinction helps confirm that the inferior thyroid artery is not related to the abdominal aorta.
Step 5: Conclude that the inferior thyroid artery is the correct answer because it is not a branch of the abdominal aorta, unlike the celiac trunk, renal artery, and superior mesenteric artery.