Vessel, Pressure, and Flow Questions
Practice Questions on Blood Vessels, Blood Pressure, and Blood Flow
Page 1

  1. The thickest layer of the wall of veins is the:
    1. Tunica media
    2. Tunica externa
    3. Subendothelial connective tissue
    4. Tunica interna
    5. Internal elastic lamina

  2. The basic tissue types found in large blood vessels include:
    1. Muscle
    2. Connective Tissue
    3. Nerve
    4. Epithelium
    5. All of the above

  3. Each of the following statements about sinusoidal capillaries is correct EXCEPT:
    1. They have unusually wide lumens
    2. They have abundant fenestrations
    3. They are not found in skeletal muscle
    4. They are the least permeable capillary type
    5. They often have phagocytic cells inserted between the endothelial cells of their lining
  4. When compared to arteries, veins generally:
    1. Are thinner walled
    2. Have more muscle in the tunica media
    3. Carry faster moving blood
    4. Have thicker endothelium
    5. Are more elastic

  5. The blood vessels that play the most important role in the regulation of blood flow to a tissue and blood pressure are the:
    1. Arterioles
    2. Veins
    3. Capillaries
    4. Venules
    5. Arteries

  6. As blood travels from the aorta to the capillaries:
    1. Pressure Increases
    2. Viscosity Increases
    3. Resistance Increases
    4. Velocity Increases
    5. Flow Increases

  7. A patient with a hypothalamic tumor has hypersecretion of ADH. Which of the following BP readings would be most likely for this patient?
    1. 95/65
    2. 115/80
    3. 120/60
    4. 165/100

  8. The difference between the systolic and the diastolic pressures is known as the:
    1. Blood Pressure
    2. Pulse Pressure
    3. Mean Arterial Pressure
    4. End-ventricular Pressure

  9. The process by which leukocytes leave the circulation by passing between endothelial cells to enter the surrounding connective tissue is termed:
    1. Margination
    2. Diapedesis
    3. Leukopoiesis
    4. Endocytosis
    5. None of the above

  10. The tunica interna:
    1. Includes a layer of dense connective tissue
    2. Contains some small capillaries
    3. Contains some striated smooth muscle fibers
    4. Includes a layer of simple squamous epithelium
    5. None of the above

  11. Which of the following represents the primary kind of tissue found in the tunica media of blood vessels?
    1. Skeletal muscle
    2. Longitudinally arranged striated muscle
    3. Concentric layers of smooth muscle
    4. Reticular connective tissue
    5. Loose connective tissue

  12. Large diameter capillaries found primarily in the liver, spleen, and bone marrow are called:
    1. Continuous capillaries
    2. Fenestrated capillaries
    3. Sinusoidal capillaries
    4. Metarterioles
    5. Megacapillaries

  13. As a subject's age increases, his/her arterial compliance _______.
  14. As depth of respiration increases, venous return _______.
  15. As plasma ADH decreases, blood volume _______.
  16. As plasma ANP increases, blood volume _______.
  17. As plasma histamine increases, venous return _______.
  18. As sympathetic stimulation increases, peripheral resistance _______.
  19. As blood flows from the arteries into capillaries, BP _______.
  20. As blood flows from the arteries into capillaries, velocity of flow _______.
  21. As venous BP increases, tissue edema _______.
  22. As cardiovascular shock progresses, sympathetic nervous system output _______.
  23. As right atrial diastolic pressure increases, VR _______.
  24. Which statement is true of arteries?
    1. All arteries carry oxygenated blood away from the heart
    2. All arteries carry blood low in carbon dioxide away from the heart
    3. Some elastic arteries release significant amounts of renin
    4. All arteries lack valves
    5. More than one of the above is correct

  25. Peripheral resistance:
    1. Decreases with increasing blood vessel length
    2. Decreases if blood vessel diameter is reduced by 50%
    3. Decreases in cases of polycythemia
    4. Is not a major factor in the determination of mean arterial pressure
    5. 2 of the above are correct
    6. None of the above correct

  26. The arteries that directly feed into the capillary beds are called __________.
  27. A deficiency of albumin would result in:
    1. Increased blood volume
    2. Increased blood oncotic pressure
    3. Loss of water by osmosis from the bloodstream
    4. 2 of the above
    5. All of the above

  28. As blood flows from the aorta to the capillaries of the gastrocnemius, its velocity of flow will:
    1. Increase
    2. Decrease
    3. Stay the same

  29. Which of the following is true?
    1. Arteries typically have thinner walls than veins
    2. Veins typically have a much wider tunica media than arteries
    3. Veins typically have much more elastin than conducting arteries
    4. You typically would find fewer valves in arteries than in veins

  30. Increasing blood vessel length will cause peripheral resistance to:
    1. Increase
    2. Decrease
    3. Stay the same

  31. As you go from arteries to capillaries, the fluid pressure exerted by blood on the vessel walls:
    1. Increases
    2. Decreases
    3. Stays the same

  32. Sinusoidal capillaries are found in the:
    1. Cerebral cortex
    2. Thyroid gland
    3. Thymus
    4. Bone marrow

  33. If MAP increased by 10mmHg, how much must the diastolic pressure have changed?
    1. -10mmHg
    2. +10mmHg
    3. 0 mmHg
    4. Cannot be determined from the information given

  34. As heart rate decreases, diastolic pressure will:
    1. Increase
    2. Decrease
    3. Stay the same

  35. The volume of blood moving through a given area in a given time is the:
    1. Blood velocity
    2. Blood flow
    3. Blood pressure
    4. Blood resistance

  36. If MAP=100mmHg, and SBP=120, then what must DBP be?
    1. 80mmHg
    2. 90mmHg
    3. 100mmHg
    4. 120mmHg

  37. Histologically, the tunica _________ is squamous epithelium underlain by a sparse connective tissue layer.
  38. If the DBP increased by 30mmHg while the SBP remained the same, how much would the MAP change?
  39. Permitting the exchange of gases and nutrients between blood and tissue cells is the primary function of what blood vessel type?
  40. Arrange the following in the proper order for blood flow.
    1. Muscular arteries
    2. Arterioles
    3. Elastic arteries

  41. The femoral artery is an example of a(n) ____________ artery.
  42. The typical diameter of a continuous capillary is:
    1. 8 um
    2. 16 mm
    3. 4 cm
    4. 24 km

  43. 65% of the blood volume is contained within the _____________.

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