Which of the following is most likely to be classified as a muscular artery?Multiple ChoiceThe pulmonary trunkThe superior mesentericThe ascending aortaThe aortic archNone of the choices are correct.
Question
Which of the following is most likely to be classified as a muscular artery?Multiple ChoiceThe pulmonary trunkThe superior mesentericThe ascending aortaThe aortic archNone of the choices are correct.
Solution
The superior mesenteric artery is most likely to be classified as a muscular artery. Muscular arteries, also known as distributing arteries, are medium-sized arteries that draw blood from an elastic artery and branch into "resistance vessels," including small arteries and arterioles. The superior mesenteric artery is a good example of this type of artery. The other options listed are examples of elastic arteries, which are the large, thick-walled arteries close to the heart that are responsible for conducting blood from the heart to smaller muscular arteries.
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