Chapter 20:
Blood Vessels and Circulation

 

  1. Know the key terms of chapter 20.
  2. Know the difference between arteries, arterioles, capillaries, venules and veins.
  3. Know the proper definitions for ‘artery’ and ‘vein’.
  4. Know the definition of a portal system.
  5. Know the definition of an ‘anastomosis’.
  6. Know the layers of the vessel wall in order.
  7. Know which vessels are large, medium and small.
  8. Know the function of arterioles and metarterioles.
  9. Know the function of precapillary sphincters.
  10. Know the function of capillaries.
  11. Know the function of venous valves.
  12. Know how blood pressure is measured (which artery) and know the normal blood pressure for young adults.
  13. Know the definition of hypertension.
  14. Understand what the top value and bottom value mean.
  15. Understand why hypertension is deadly.  Know the effects of hypertension and hypotenstion.
  16. Understand how and why blood pressure changes with age.
  17. Know how elasticity of the arteries affects blood pressure.
  18. Understand how the brain controls blood pressure.
  19. Know how angiotensin, aldosterone, ANF, ADH and NE affect blood pressure.
  20. Understand how blood flow shifts with changing priorities.
  21. Why is it necessary for a healthy young person in a bad car accident to be checked out at an emergency room even if he feels fine immediately after the accident?
  22. Know what organs are highly perfused during exercise and understand why.
  23. Know what ‘circulatory shock’ means.
  24. Know what hypovolemic shock means and what causes it.
  25. Know what ‘venous pooling’ and ‘venous pooling shock’ mean.
  26. Know what ‘septic shock’ means.
  27. Understand the responses to circulatory shock.
  28. Understand what the term ‘edema’ means.  Know the relationship between pulmonary edema and congestive heart failure.  Know the consequences of cerebral edema and pulmonary edema.
  29. Know what arterial pressure points are.
  30. Know the major branches of the aorta and know what part of the body they supply.
  31. Be able to label the arteries and veins in figures 20.20 and 20.32.
  32. Know what the circle of Willis is.