MBLEX:Circulation

Card Set Information

Author:
mandelyn
ID:
266258
Filename:
MBLEX:Circulation
Updated:
2014-03-13 14:08:32
Tags:
UCMT MBLEX
Folders:
MBLEX
Description:
A&P Manual pgs. 435-459
Show Answers:

Home > Flashcards > Print Preview

The flashcards below were created by user mandelyn on FreezingBlue Flashcards. What would you like to do?


  1. What are the four components of the cardiovascular system?
    Blood, Heart, Vessels, & Lymphatics
  2. What is hematocrit?
    The % of red blood cells in blood
  3. Blood is a _____________ tissue.
    Connective
  4. Why is blood considered a connective tissue?
    It is made of CELLS and ECM.  There is more ECM than CELLS.
  5. Another name for the ECM of blood is ________.
    Plasma
  6. Plasma is composed of _______ % water and _________% electrolytes and plasma proteins.
    • 90% Water
    • 10% Electrolytes & Plasma Proteins
  7. Blood is composed of _______% plasma and __________% cells (RBCs, WBCs & platelets).
    • 55% plasma
    • 45% cells (RBCs, WBCs & platelets)
  8. What are the three cells found in blood?
    • Erythrocytes (RBCs)
    • Thrombocytes (platelets)
    • Leukocytes (WBCs)
  9. Another name for RBCs is ______________.
    Erythrocytes
  10. Another name for platelets is ____________.
    Thrombocytes
  11. Another name for WBCs is _____________.
    Leukocytes
  12. What are erythrocytes (RBCs) good for?
    Transportation of oxygen
  13. What are thrombocytes (platelets) good for?
    They like to stick to rough surfaces and play an important role in clotting blood.
  14. What are leukocytes (WBCs) good for?
    Body defense and repair.  They fight infection and are involved in body defense and immunity.
  15. How many times per day does the heart beat?
    100,000 times/day
  16. The ____________ is anterior to the heart.
    Sternum
  17. The _____________, _____________, and _____________ are posterior to the heart.
    • Vertebral Column
    • Esophagus
    • Aorta
  18. The _____________ are lateral to the heart.
    Lungs
  19. The ______________ and ____________ are superior to the heart.
    • Trachea
    • Primary Bronchi
  20. The ____________ is inferior to the heart.
    Diaphragm
  21. DEFINE: systole
    rhythmic contraction of the heart
  22. DEFINE: diastole
    rhythmic relaxation of the heart
  23. DEFINE: pulmonary circuit
    blood vessels that carry blood to and from the lungs
  24. DEFINE: systemic circuit
    blood vessels that carry blood to and from all body tissues
  25. What are the receiving chambers of the heart?
    right and left atria
  26. The right atrium receives ________ blood returning in veins from ___________.
    • deoxygenated
    • the body
  27. The left atrium receives ___________ blood returning from _____________.
    • oxygenated
    • the lungs
  28. What are the associated veins of the right atrium?
    • Superior vena cava
    • Inferior vena cava
    • Coronary sinus
  29. What are the associated veins of the left atrium?
    Pulmonary veins
  30. Vein that drains O2 poor blood from upper half of body?
    Superior vena cava
  31. Vein that drains O2 poor blood form the lower half of body?
    Inferior vena cava
  32. Vein that drains O2 poor blood from the heart's veins?
    Coronary sinus
  33. Vein that returns blood from the lungs?
    Pulmonary veins
  34. DEFINE: mediastinum
    middle portion of the thoracic cavity that houses the heart
  35. DEFINE: pericardium
    protective fluid filled sac that surrounds the heart.
  36. What are the pumping chambers of the heart?
    right and left ventricles
  37. The right ventricle pumps __________ blood to the __________.
    • deoxygenated
    • lungs
  38. The left ventricle pumps ____________ blood to the ___________.
    • oxygenated
    • body
  39. Artery associated with the right ventricle?
    Pulmonary trunk (divides into pulmonary arteries)
  40. Artery associated with left ventricle?
    Aorta
  41. What is the largest artery in the body?
    Aorta
  42. What artery delivers O2 rich blood to the body?
    Aorta
  43. Which chamber pumps more blood?
    They pump the same amount
  44. Which chamber pumps the hardest?
    The left ventricle because it pumps blood to the whole body.
  45. What valve prevents backflow of blood into the right ventricle during diastole?
    Pulmonary valve
  46. What valve prevents backflow of blood into the left ventricle during diastole?
    Aortic valve
  47. The ____________ valve is the exit of the right ventricle.
    Pulmonary
  48. The _______________ valve is the exit of the left ventricle.
    Aortic
  49. The _______________ valve is the exit of the right atrium.
    right atrioventricular or tricuspid valve
  50. The ______________ valve is the exit of the left atrium.
    left atrioventricular, mitral, or bicuspid valve
  51. What valve prevents backflow of blood into the right atrium during systole?
    tricuspid
  52. What valve prevents backflow of blood into the left atrium during systole?
    bicuspid
  53. _______________ carries blood away from the heart.
    Arteries
  54. Arteries have a ___________ tunica media and veins have a ___________ tunica media.
    • arteries=thick
    • veins=thin
  55. ________________ deal with higher blood pressures.
    Arteries
  56. ________________ carries blood to the heart.
    Veins
  57. __________ deal with lower blood pressures.
    veins
  58. __________________ only have a tunic intima.
    Capillaries
  59. What are the three types of blood vessels?
    • Arteries
    • Capillaries
    • Veins
  60. What blood vessel deals with gas exchange?
    Capillaries
  61. What blood vessel has valves?
    Veins
  62. What is the tunica intima made of?
    Simple squamous epithelium & elastic tissue
  63. What is the tunica media made of?
    Smooth muscle & elastic tissue
  64. What is the tunica externa made of?
    Dense irregular (collagenous) connective tissue
  65. What are the different layers of a blood vessel from deep to superficial?
    • Tunica Intima
    • Tunica Media
    • Tunica Externa
  66. What is the tunica intima good at?
    Reducing friction & allows for smooth blood flow.
  67. What is the tunica media good at?
    Regulating blood flow through vasoconstriction and vasodilation.
  68. What is the tunica externa good at?
    Providing protection
  69. What are the functions of the lymphatic system?
    • 1. Returns fluid to the blood stream
    • 2. Filter the blood to get rid of pathogens
  70. Lymph vessels pick up fluid from the ____________ space.
    Interstitial (extracellular)
  71. The lymphatic system relies on what two pressures?
    Hydrostatic and Oncotic
  72. The ______________ lymphatic duct drains lymph from the right upper quadrant.
    Right
  73. The ___________________ lymphatic duct drains lymph from the left upper quadrant and entire lower body.
    Thoracic

What would you like to do?

Home > Flashcards > Print Preview