14 Which statement best describes arteries? a. All carry oxygenated blood to the
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14 Which statement best describes arteries? a. All carry oxygenated blood to the heart b. All carry blood away from the heart. All contain valves to prevent the backflow of blood. d. Only large arteries are lined with endothelium Permitting the exchange of nutrients and gases between the blood a is the primary function of a. arterioles b. arteries c. veinsd. capillaries 15. 16. Aldosterone will a. promote an increase in blood pressure b. promote a decrease i c. result in a larger output of urine d. decrease sodium reabsor Which tunic of an artery contains endothelium? a. tunica interna 17. b. tunica media c. tunica externa d. tunica The circulatory route that runs from the digestive tract to the liver is a. hepatic portal circulation c. coronary circulation 18. b. pulmonary circulation d. cerebral circulation 19. The artery that are also called distributing arteries are the: 20. Factors that aid venous return include all except 1. The pulse pressure is a. elastic arteries b. muscular arteries c. arterioles d a. activity of skeletal muscles b. venous valves b. pressure change in the d. urinary output a. systolic pressure plus diastolic pressure b.systolic pressure c. systolic pressure divide by diastolic pressure d. none of the Peripheral resistance a. decrease with increasing length of the blood vessel h increase as blood diameter of blood vessel increaseExplanation / Answer
Answer 14
All carry blood away from the heart.
Because the higher pressure from the surges of blood that go with each ventricular contraction.
Answer 15
capillaries
because Gas exchange occurs across alveoli and pulmonary capillaries.
Answer 16
promote an increase in blood pressure
because it causes water to be reabsorbed along with sodium that increase in blood volume
Answer 17
tunica interna (intima)
because Endothelium is the inner most lining of a blood vessel,
Answer 18
hepatic portal circulation
because blood is drained from the digestive organs and diliver to the liver
Answer 19
muscular arteries
because it draws blood from elastic artery
Answer 20
urinary output
because pressure changes in the thorax activity of skeletal muscles venous valves
Answer 21
systolic pressure minus diastolic pressure
because the force that the heart generates each time it contracts.
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