EXS 216 Chapter 19 Part 1 exam with complete solutions
Histologically, the ________ is squamous epithelium supported by a sparse connective tissue layer. tunica intima Which tunic of an artery is most responsible for maintaining blood pressure and continuous blood circulation? tunica media The aorta is an example of a(n): elastic artery Which tunic of an artery contains endothelium? tunica intima Which arteries carry deoxygenated blood? pulmonary arteries The outermost layer of a blood vessel is the tunica intima. False Vasodilation is a widening of the lumen due to smooth muscle contraction. False The thick-walled arteries close to the heart are called muscular arteries. False The arteries that are also called distributing arteries are the Muscular arteries Which of the choices below explains why the arterioles are known as resistance vessels? The contraction and relaxation of the smooth muscle in their walls can change their diameter. Which statement best describes arteries? All carry blood away from the heart. The arteries that directly feed into the capillary beds are called arterioles Gas and nutrient exchange occur in the: capillaries Which of the following would decrease peripheral resistance to blood flow? anemia
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exs 216 chapter 19 part 1 exam
