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5 Written questions

5 Matching questions

  1. Sinusoidal Capillaries
  2. Atrial Natriuretic Peptide
  3. Mean Arterial Pressure
  4. Blood Viscosity
  5. Capillaries
  1. a Microscopic blood vessels, walls of thin tunica intima, one cell thick. Size only allows one RBC at a time; Permit exchange of nutrients and wastes between blood and interstitial fluid.
  2. b ANP - Causes blood volume and pressure to decline (produced by atria of the heart0.
  3. c The stickiness of the blood due to formed elements and plasma proteins.
  4. d (MAP), average pressure in the arteries.
  5. e Have large fenstrations and intercellular clefts for the greatest permeability, even allowing passage of blood cells.

5 Multiple choice questions

  1. Neural and hormonal controls - counteract functuations in blood pressure by altering peripheral resistance.
  2. Blood flow caused by the pumping action of the heart, pressure results when flow is opposed by resistance.
  3. Collagen fibers that protect and reinforce vessels.
  4. Reflects two factors of the arteries close to the heart. The elasticity (compliance or distensibility), and the amount of blood forced into them at any given time.
  5. Smooth muscle and elastic fiber layer, regulated by sympathetic nervous system.

5 True/False questions

  1. Where does Systemic Pressure decline?Throughout the pathway.

          

  2. Adrenal Medulla Hormones(ADH)-(Vasopressin) - Causes intense vasoconstriction in cases of extremely low BP. Increases BP.

          

  3. AutoregulationAutomatic adjustment of blood flow to each tissue in proportion to its requirements at any given point in time.

          

  4. What is Resistance more important in influencing local blood flow?Neural and hormonal controls - counteract functuations in blood pressure by altering peripheral resistance.

          

  5. Where are Capillaries found?Endothelium with sparse basal lamina.

          

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