Which of the following statements about healthy, intact capillaries is true?: (A) They control blood pressure., (B) They are lined by a simple columnar epithelium, (C) They have a smooth muscle coat., (D) They inhibit clot formation.
Answer is D. The smooth endothelial lining of intact, healthy capillaries inhibits clot formation. They are lined by a single layer of endothelial cells They do not have a smooth muscle coat. They do not control blood pressure