Answer to Question 1
B
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The entire arterial system contains muscles in the walls of the vessels all the way to the terminal branches or arterioles, which consist of fragments of muscle and endothelial cells. These muscles offer resistance to the blood that is sent pumping into the arterial system by the left ventricle, generating pressure. The arterial system is referred to as a resistance system. Its vessels can either constrict or dilate, thus increasing or decreasing resistance, respectively, based on the needs of the body. The capacitance system is the venous system and does not contribute to regulation of arterial blood pressure. Oncotic pressure acts to pull the fluid back into the vessel. The venules have no impact on regulation of arterial blood pressure.
Answer to Question 2
B
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A potential nursing diagnosis for the patient would be disturbed body image related to diagnosis and treatment. There is a stigma associated with having helminthic infections. Treatment can cause diarrhea, loss of hair, and pruritus, which could be noticed by others and further impact the patient's body image. Usually these drugs do not cause constipation; they have not been linked to confusion.
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