Lecture 2: Circulation

31 Questions

Settings
Please wait...
Circulatory System Quizzes & Trivia

Questions and Answers
  • 1. 
    What is the systolic pressure in the left ventricle?
    • A. 

      100

    • B. 

      105

    • C. 

      110

    • D. 

      120

  • 2. 
    One of the functions that blood have in our body, is transporting metabolic waste products?
    • A. 

      True

    • B. 

      False

  • 3. 
    Is blood a form of connective tissue?
    • A. 

      True

    • B. 

      False

  • 4. 
    Blood cell formation is reffered to as _______
    • A. 

      Hematopoiesis

    • B. 

      Oxyhemoglobin

    • C. 

      Erythropoiesis

    • D. 

      Hemoglobin

  • 5. 
    What is the name of the structure between Tunica Intima and Tunica Media?
    • A. 

      External elastic lamina

    • B. 

      Internal elastic lamina

    • C. 

      Vascular lamina

    • D. 

      Intercellular cleft

  • 6. 
    Coagulation is the last step in hemostasis
    • A. 

      True

    • B. 

      False

  • 7. 
    "Local pain reflex" is in step 2 of hemostasis
    • A. 

      True

    • B. 

      False

  • 8. 
    Fibrinolysis is a physiological process which helps to form blood clots
    • A. 

      True

    • B. 

      False

  • 9. 
    Coagulation is done in between 20-25 minutes
    • A. 

      True

    • B. 

      False

  • 10. 
    Statement: There are three important sources of resistance: Blood viscosity, vessel length and vessel diameter. Question: Which one these three sources, provide most resistance?
    • A. 

      Blood viscosity

    • B. 

      Vessel length

    • C. 

      Vessel diameter

  • 11. 
    Blood moves along the pressure gradient, meaning; Always from an area of lower pressure to and area of high pressure.
    • A. 

      True

    • B. 

      False

  • 12. 
    The blood pressure is lowest in which vessel of the systemic circulation?
    • A. 

      The aorta

    • B. 

      The venule

    • C. 

      The capillary bed

    • D. 

      The superior venae cavae

  • 13. 
    There is relatively low pressure in the capillary bed, which is desirable because:
    • A. 

      Capillaries are fragile and high pressure would rupture them

    • B. 

      A constant low pressure from the arteriole, through the capillary to the venule will allow for sufficient perfusion

    • C. 

      Both answers are correct

  • 14. 
    In regard to venous blood return: The layer of smooth muscle around the veins that constrict under sympathetic control is the most important way of propelling blood towards the heart.
    • A. 

      True

    • B. 

      False

  • 15. 
    Kidneys filtrate fluid from the body through urine to maintain a normal blood pressure.
    • A. 

      True

    • B. 

      False

  • 16. 
    Statement: In order to maintain normal blood pressure, there are short-term and long term regulations. Question: An example of a long-term regulation is...
    • A. 

      Hormonal control

    • B. 

      Renal regulation

    • C. 

      Neural control

  • 17. 
    Formed elements contain non-living fluid matrix.
    • A. 

      True

    • B. 

      False

  • 18. 
    The blood's function is:
    • A. 

      Distrubution

    • B. 

      Regulation

    • C. 

      Protection

    • D. 

      All of the above

  • 19. 
    Fibrinolysis is a physiological process which helps to remove blood clots.
    • A. 

      True

    • B. 

      False

  • 20. 
    The correct formula for Mean Arterial Pressure (MAP) is...
    • A. 

      Diastolic pressure + (pulse pressure /3)

    • B. 

      Diastolic pressure x systolic pressure

    • C. 

      Systolic pressure - diastolic pressure

    • D. 

      Systolic pressure + (diastolic pressure /2)

  • 21. 
    Pulse pressure is the difference between systolic and diastolic pressure
    • A. 

      True

    • B. 

      False

  • 22. 
    In chronic hypertension, baroreceptors are "reprogrammed" to monitor pressure at a lower point
    • A. 

      True

    • B. 

      False

  • 23. 
    Which higher brain center is involved in the neural short term regulation of blood pressure?
    • A. 

      Hippocampus

    • B. 

      Cerebellum

    • C. 

      Amygdala

    • D. 

      Substantia nigra

  • 24. 
    Anti Diuretic Hormone (ADH) is also known as ...
    • A. 

      Seritocin

    • B. 

      Isitocin

    • C. 

      Mesotocin

    • D. 

      Vasopressin

  • 25. 
    Now we are talking about resistance to bloodflow. The term viscosity is referring to...
    • A. 

      The thickness of a fluid

    • B. 

      The level of vasoconstriction/vasodialation

    • C. 

      The total blood vessel length

    • D. 

      The internal resistance in the blood vessels (Example: thrombus)

  • 26. 
    Statement: When blood pressure/blood volume is too high, the kidneys can increase the rate at which fluid is filtered Question: Is this an example of an indirect renal mechanism?
    • A. 

      Yes

    • B. 

      No

  • 27. 
    Larger blood vessels actually have smaller vessels to supply them again. These are called...
    • A. 

      Vessel lumens

    • B. 

      Artery vessels

    • C. 

      Vaso ultra

    • D. 

      Vasa vasorum

  • 28. 
    Statement: We have 2 main types of arteries, elastic arteries and muscular arteries. Question: What are also the muscular arteries known as?
    • A. 

      Distributing arteries

    • B. 

      Conducting arteries

    • C. 

      Great arteries

    • D. 

      Dense arteries

  • 29. 
    Statement: Capillaries only consist of 1 layer Question: Which layer is this?
    • A. 

      Tunica adventitia

    • B. 

      Tunica intima

    • C. 

      Tunica media

  • 30. 
    What is the correct sequence of microcirculation?
    • A. 

      Thorougfare channel - Metaarteriole - Terminal arteriole - Postcapillary venule

    • B. 

      Terminal arteriole - Metaarteriole - Thorougfare channel - Postcapillary venule

    • C. 

      Metaarteriole - Thorougfare channel - Terminal arteriole - Postcapillary venule

  • 31. 
    What is the main function of Erythrocytes?
    • A. 

      Inflammatory or immune system

    • B. 

      Participate in blood clotting

    • C. 

      Transport of oxygen and carbondioxide

    • D. 

      Transport of metabolic waste products