Time left 1:29:36 What type of blood vessel carries blood away from the heart? Select one: O a. Artery O b. Vein Oc. Capillary Od. Vana cava Apr. 30, 2025 Next page
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James K.
As the largest artery in the human body, the aorta transports oxygenated blood away from the heart. It connects the right and left ventricles of the heart. It contains plasma with low blood pressure. It transports deoxygenated blood back to the heart from the vena cava. QUESTION 25 Which statement is NOT a correct association? arteries—have a thick muscular layer capillaries—oxygen and nutrient exchange arteries—can control blood pressure capillaries—contain most of overall blood volume veins—valves to return blood to heart QUESTION 26 Which of the following is true concerning a comparison of arteries and veins? Both are attached to arterioles. Both are attached to venules. Both contain 3 layers in their walls. Both contain valves. Both allow nutrient exchange across their walls. QUESTION 27 In the fetal heart, the lungs are deflated and the fetus receives oxygen from its mother across the placenta through the umbilical cord. There is an opening in the wall (septum) between the left and right side of the fetal heart. This opening normally closes up before birth. What symptoms would be expected if this heart wall opening remained open? It would cause hypertension-fetal blood pressure would be abnormally high. This would balance the diastolic and systolic blood pressure readings. Deoxygenated blood would mix with oxygenated blood and systemic circulation would have too little oxygen to sustain healthy growth. This would not actually cause any bad effects at all since the heart pumping would be equally distributed between left and right ventricles. This would cause blood to flow back out of the heart through the right atrium and cause drastic effects in the fetus. QUESTION 28 Blood in veins is moved by the contraction of the muscles in the walls of the veins. It is moved away from the heart by skeletal muscle contraction. It is usually high in oxygen. It is moved away from the heart with the help of the valves within the veins. It is moved toward the heart by skeletal muscle contraction.
Jorge V.
Questions 27 through 30 are matching. Match the most correct formula to describe the main function of the blood vessel type. A. Arteries B. Veins C. Arterioles D. Capillaries E. Mean arterial pressure 27. R = 8ηL/πr^4 28. D = A x Dc /t (Co – Ci) 29. C = ΔV/ΔP 30. MAP = DBP + 1/3 (SBP – DBP)
Adi S.
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