ot uhe flowing has the greatest effect on the flow of liquid through a tube? a)
ID: 301160 • Letter: O
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ot uhe flowing has the greatest effect on the flow of liquid through a tube? a) Pressure difference b) Viscosity of the liquid c) Length of the tube d) Radius of the tube e) Temperature 21. The following data refer to measurements of heart function in an unknown animal. Cardiac variables Heart rate (beats per min End diastolic volume (ml)120 30 Cardiac output is a) 6 liters/min b) 8 liters/min c) 12 liters/min d) 15 liters/min e) 9 liters/min 22. Which of the following sequences correctly lists structures in order of decreasing oxygen content (from highes to lowest)? a) tissues, capillaries, blood, gill, water b) water, blood, gill, capillaries, tissues c) blood, gill, capillaries, tissues, water d) gill, blood, tissues, capillaries, water ,e) water, gill, blood, capillanes, tissues 23. Which is the false statement about using oxygen consumption as an indicator of metabolic rate? a) Oxygen is the final electron acceptor in fuel combustion and the acquiring of energy b) Assumes all chemical reactions in fuel combustion are aerobics c) Assumes oxygen storage in body is large. d) All of above are correct, there is no false statement extracellular space occurs at which portion of a capillary bed 24. Filtration of fluid from the blood to the a) arterial end b) venous end c) all along the capillary bed 25. Which is the true statement? al all veins convey deoxygenated blood away from the heart b) l Veins convey blood back to heart, and most of that blood is deoxygenated convey oxygenated blood back to the heart ) all veins con volume refers to the volume of blood in the in b) heart immediately prior tor c) aorta during filling o contraction End dias wnen the heart is relaxed. 26. End diastolic wheediately prior to vena cava during f diately afterExplanation / Answer
20. D radius of a tube
21. E 9 l/m
22. E
23. C
24. A
25. C .Most veins carry deoxygenated blood from the tissues back to the heart; exceptions are the pulmonary and umbilical veins, both of which carry oxygenated blood to the heart.
26. B
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