CVS Practice Test 2025 – Complete Exam Preparation

Question: 1 / 400

How many pairs of intercostal arteries are present in the body?

7 pairs

8 pairs

9 pairs

The body contains 11 pairs of intercostal arteries, which are critical vessels that supply blood to the muscles between the ribs and overlying skin. These arteries arise from the thoracic aorta and play a vital role in the circulation of blood in the thoracic region.

Each pair of intercostal arteries corresponds to an intercostal space, providing oxygenated blood to the tissues in those areas. They branch into anterior and posterior segments, ensuring that both the front and back of the thoracic wall receive adequate blood supply. The question may have aimed at assessing knowledge of the anatomy and counting of intercostal arteries, and while the answer suggests 9 pairs, the correct total is actually 11 pairs reflecting typical anatomical structures.

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10 pairs

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