The hydrostatic pressure gradient drives water ___________capillaries, and the colloid osmotic pressure drives water ___________ capillaries. a. out of; out of b. out of; into c. into; out of d. into; into
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The hydrostatic pressure gradient drives water ___________capillaries, and the colloid osmotic pressure drives water ___________ capillaries. a. out of; out of b. out of; into c. into; out of d. into; into
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- "The osmotic pressure of blood (that is, the plasma proteins) in the capillary forces fluid _____ the capillary." A into B out ofCloser to the heart, arteries would be expected to have ahigher percentage of ________. a. endotheliumb. smooth muscle fibersc. elastic fibersd. collagenous fibersThe return venous blood is aided by all of the factors except? ________. A. pressure changes in the thorax B. urinary output C. venous valves D. activity of skeletal muscles
- Which one of the following sentences is wrong? A Small arteries are called arterioles. B When arterioles reach the capillaries blood pressure drops. C Blood pressure is lower in the arteries than in the arterioles. D Small arterioles regulate the flow of blood into each capillary.Blood pressure is regulated by the a. cardiac center. b. vasomotor center. c. hormones. d. All of these are correct.Increase venous return will cause the release of this hormone by stretching the atrial cardiac muscle cells a. atrial natriuretic hormone b. antidiuretic hormone c. aldosterone d. gluccocorticoid
- If a patient has cirrhosis of the liver and is unable to produce sufficient albumin and other plasma proteins, then what variable is changed in capillary exchange, and what is the effect? a. There is no change in the capillary exchange process. b. Hydrostatic pressure in the blood decreases, and fluid remains in the blood. c. Colloid osmotic pressure in the capillary increases, and blood volume increases in the blood vessels. d. Colloid osmotic pressure in the capillary decreases, and fluid remains in the interstitial fluid, potentially causing edema.Blood pressure is highest in the_____ and lowest in the_____ . a. arteries; veins c. veins; arteries b. arterioles; venules d. capillaries; arteriolesIf somebody was doping on EPO and you analyzed a sample of their blood you would likely find: A. higher than normal percentage of plasma B. A higher than normal percentage of circulating reticulocytes C. lower than normal amount of blood viscosity. D. increased chance of anemia
- If a vessel were to dilate to twice its previous radius, and if pressure remained constant, blood flow through this vessel would a.increase by a factor of 16. b.increase by a factor of 4. c.increase by a factor of 2. d.decrease by a factor of 2.which of the following will oppose filtration in a capillary a. hydrostatic pressure in the capillary b. plasma colloid osmotic pressure c. pores in the capillaryVascular System10 Secretion of nitric oxide is an example of a. metabolic control of blood flow b. endothelial control of blood flow C. myogenic control of blood flow d. neural control of blood flow