Rio BIO 202: EXAM 2 REAL EXAM QUESTIONS AND CORRECT DETAILED ANSWERS

Rio BIO 202: EXAM 2 REAL EXAM QUESTIONS AND CORRECT DETAILED ANSWERS Blood vessels are dynamic structures that... - ANSWER Pulsate. Constrict. Relax. Proliferate. Blood vessels - ANSWER of the body form a closed delivery system that begins and ends at the heart. The inner most tunic of the blood vessel - ANSWER tunica intima. contains endothelium. The middle tunic of the blood vessel - ANSWER tunica media. Smooth muscle and sheets of elastin. Bulkiest layer. Regulation of vasoconstriction and vasodilation. The middle tunic regulates - ANSWER circulatory dynamics because the change in vessel diameter effects blood flow and pressure. The outermost layer of the blood vessel - ANSWER tunica externa. composed of largely loosely woven collagen fibers to anchor it to surroundings. most superficial tunic - ANSWER tunica externa the arterial system has one of these; the venous system has two - ANSWER brachiocephalic these arteries supply the myocardium - ANSWER coronary two paired arteries serving the brain - ANSWER internal carotid, vertebral longest vein in the lower limb - ANSWER greater saphenous artery on the dorsum of the foot checked after leg surgery - ANSWER dorsalis pedis serves the posterior thigh - ANSWER deep femoral supplies the diaphragm - ANSWER phrenic formed by the union of the radial and ulnar veins - ANSWER brachial two superficial veins of the arm - ANSWER basilic, cephalic artery serving the kidney - ANSWER renal veins draining the liver - ANSWER hepatic artery that supplies the distal half of the large intestine - ANSWER inferior mesenteri drains the pelvic organs - ANSWER internal iliac what the external iliac artery becomes on entry into the thigh - ANSWER femoral major artery serving the arm - ANSWER brachial supplies most of the small intestine - ANSWER superior mesenteric join to form the inferior vena cava - ANSWER common iliac an arterial trunk that has three major branches, which run to the liver, spleen and stomach - ANSWER celiac trunk major artery serving the tissues external to the skull - ANSWER external carotid three veins serving the leg - ANSWER anterior tibial, fibular, posterior tibial artery generally used to take the pulse at the wrist - ANSWER radial describe continuous capillaries - ANSWER abundant in the skin and skeletal muscles Which of the following describes blood vessels? - ANSWER arterial walls are generally thicker and contain more elastic tissue than those of veins