Physiology: Heart And Muscles Functions! Trivia Quiz

35 Questions | Total Attempts: 101

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Physiology Quizzes & Trivia

The human body is quite interesting when you get to understand how the organs and systems function. As a physiology student, how much do you know about the functions of the heart and muscles? The test below is hard and designed to help you review what you know about the organs, try it out and get to find out for sure. All the best!


Questions and Answers
  • 1. 
    Anemia may result from
    • A. 

      Low numbers of RBCs

    • B. 

      Low levels of hemoglobin

    • C. 

      Low levels of oxygen

    • D. 

      2 of the above

    • E. 

      All of the above

  • 2. 
    Leukocytes
    • A. 

      Are comprised of 5 different cell types

    • B. 

      Increase in response to low blood oxygen

    • C. 

      Will increase cardiac output

    • D. 

      Are found in the plasma portion of centrifuged blood

  • 3. 
    Thrombocytes
    • A. 

      Help with blood clotting

    • B. 

      Help fight infection

    • C. 

      Are not associated with blood products

    • D. 

      Transport Oxygen

  • 4. 
    Cardiac Output
    • A. 

      Is equal to blood flow times stroke volume

    • B. 

      Can be affected by changes in heart rate

    • C. 

      Is approximately 10 L at rest

    • D. 

      Is equal to stroke volume divided by heart rate

  • 5. 
    Viscosity affects blood flow by changing
    • A. 

      EDV

    • B. 

      TPR

    • C. 

      ESV

    • D. 

      SV

  • 6. 
    An increase in blood pressure can be caused by
    • A. 

      Vasoconstriction

    • B. 

      Vasodilation

    • C. 

      Continuous urination

    • D. 

      Hemorrhage

  • 7. 
    If a vessel vasoconstricts to 1/2 of the initial size, then the flow will
    • A. 

      Increase 4 times

    • B. 

      Increase to 16 times

    • C. 

      Decrease to 1/4

    • D. 

      Decrease to 1/16

  • 8. 
    Long-term decrease in blood pressure can occur
    • A. 

      Through neurological interventions

    • B. 

      Through renal interventions

    • C. 

      Through respiratory interventions

    • D. 

      Long-term decreases in blood pressure cannot occur

  • 9. 
    Contractility of the heart affects blood pressure by affecting (directly or indirectly)
    • A. 

      ESV*

    • B. 

      SV*

    • C. 

      HR

    • D. 

      Two of the above

    • E. 

      All of the above

  • 10. 
    Inhibition of the vagus nerve would
    • A. 

      Increase the heart rate

    • B. 

      Decrease the heart rate

    • C. 

      Have no affect on heart rate

    • D. 

      Two of the above

    • E. 

      All of the above

  • 11. 
    During ventricular systole
    • A. 

      The EKG is showing a t-wave

    • B. 

      You hear "lub" sound

    • C. 

      Aortic pressure is 120 mmHg

    • D. 

      You have atrial systole

  • 12. 
    The hearts pacemaker is
    • A. 

      The AV node

    • B. 

      The ionically leakiest site in the heart

    • C. 

      Directly connected to the bundle of HIs

    • D. 

      Usually found in the apex

  • 13. 
    During the P-wave
    • A. 

      The atria are in systole

    • B. 

      The atria are in diastole

    • C. 

      The ventricles are in systole

    • D. 

      Nothing is happening

  • 14. 
    Angiotensin II is
    • A. 

      A vagal inhibitor

    • B. 

      A vasoconstrictor

    • C. 

      An osmotic diuretic

    • D. 

      A cholinergic antagonist

  • 15. 
    The hematocrit would be
    • A. 

      The portion of the blood that contains albumin

    • B. 

      The portion of the blood that contains erythrocytes

    • C. 

      The portion of the blood that contains pinocytes

    • D. 

      The portion of the blood that contains osteocytes

  • 16. 
    Erythropoesis is produced in response to
    • A. 

      Low levels of leukocytes

    • B. 

      Low levels of thrombocytes

    • C. 

      Low levels of oxygen

    • D. 

      Low levels of bone marrow

  • 17. 
    Aldosterone
    • A. 

      Decreases reabsorption of sodium

    • B. 

      Increases vagal tone

    • C. 

      Increases blood pressure

    • D. 

      Is a vasoconstrictor

  • 18. 
    Which type of blood could a type O+ person recieve in a transfusion?
    • A. 

      A+

    • B. 

      B-

    • C. 

      AB-

    • D. 

      O-

    • E. 

      All of them

  • 19. 
    You are pulled over by a cop and your heart immediately starts beating faster. As your adrenaline starts pumping, your ESV will ______ and your stroke volume will ______. 
    • A. 

      Increase/Decrease

    • B. 

      Increase/Increase

    • C. 

      Decrease/Increase

    • D. 

      Decrease/Decrease

  • 20. 
    In orthostatic hypotension, the compensation is
    • A. 

      Increased Heart Rate

    • B. 

      Increased preload

    • C. 

      Vasoconstriction

    • D. 

      Two of the above

    • E. 

      All of the above

  • 21. 
    In hemophilia, which of the following is missing
    • A. 

      Coagulation factor

    • B. 

      Thrombocytes

    • C. 

      Vascular Endothelium

    • D. 

      Calcium

  • 22. 
    An increase in afterload would cause
    • A. 

      A decrease in ESV

    • B. 

      An increase in ESV

    • C. 

      A decrease in EDV

    • D. 

      An increase in EDV

  • 23. 
    In ECG's R-R time would indicate
    • A. 

      Ventricular repolarization

    • B. 

      Ventricular systole

    • C. 

      Atrial diastole

    • D. 

      Heart rate

  • 24. 
    A ventricular systolic pressure of 120 mmHg would be due to events occurring in the 
    • A. 

      QRS wave

    • B. 

      Atrial diastole

    • C. 

      The U wave

    • D. 

      SA node depolarization

  • 25. 
    ADH causes an increase in BP by
    • A. 

      Increasing vascular diameter

    • B. 

      Increasing heart rate

    • C. 

      Decreasing ESV

    • D. 

      Increasing blood volume

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