Cardiovascular System

38 Questions

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Circulatory System Quizzes & Trivia

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Questions and Answers
  • 1. 
    What is the circulation in a human?
    • A. 

      Open and double

    • B. 

      Closed and double

    • C. 

      Open and single

    • D. 

      Closed and single

  • 2. 
    Where does deoxygenated blood enter the heart?
    • A. 

      Pulmonary artery

    • B. 

      Aorta

    • C. 

      Vena cava

    • D. 

      Septum

  • 3. 
    What are the names of the valves on the right hand side of the heart?
    • A. 

      Bicuspid then semilunar

    • B. 

      Bicuspid then tricuspid

    • C. 

      Semilunar then tricuspid

    • D. 

      Tricuspid then semilunar

  • 4. 
    Which side of the heart is oxygenated
    • A. 

      Left

    • B. 

      Right

    • C. 

      Don't really give a shit :)

    • D. 

      The middle

  • 5. 
    What is the order in which the blood circulated the body? (going through right hand side first)
    • A. 

      Vena cava, left atrium, left ventricle, pulmonary artery, lungs, pulmonary vein, right artrium, right ventricle, aorta, body cells

    • B. 

      Pulmonary vein, right ventricle, aorta, body cells, left atrium, left ventricle , lungs

    • C. 

      Vena cava, right atrium, right ventricle, pulmonary artery, lungs, pulmonary vein, left atrium, left ventricle, aorta, body cells

    • D. 

      This is hurting my brain so I'm gonna stop here...

  • 6. 
    Why are there valves in veins?
    • A. 

      To help the blood flow faster back to the heart

    • B. 

      To stop blood flowing backwards when the heart is in atrial systole

    • C. 

      To stop blood flowing backwards when the heart is in ventricular systole

    • D. 

      To stop blood flowing backwards when the heart is in complete diastole

  • 7. 
    What do the chordae tendonae attach to?
    • A. 

      Semilunar valves

    • B. 

      God knows, never heard of them

    • C. 

      Atrioventricular valves

    • D. 

      The SAN

  • 8. 
    Which part of the heart has the thickest wall??
    • A. 

      The left ventricle

    • B. 

      The left atrium

    • C. 

      The right ventricle

    • D. 

      The right atrium

  • 9. 
    What material is the heart made of?
    • A. 

      Normal muscle cells

    • B. 

      Cardiac muscle cells that are myogens

    • C. 

      Cardiac muscle cells that are myogenic

    • D. 

      Cardboard and glue

  • 10. 
    What is the definition of systole?
    • A. 

      The phase in the heartbeat when blood enters the capillaries of the lungs

    • B. 

      The phase of the heartbeat when the electric impulse is sent from the SAN to the AVN

    • C. 

      The phase of the heartbeat when the heart muscle is relaxed, and the heart refills with blood

    • D. 

      The phase of the heartbeat when the heart muscle contracts and pumps blood from the chambers into the arteries.

  • 11. 
    What is the definition of myogenic?
    • A. 

      Flexible

    • B. 

      Own inherent rhythm

    • C. 

      Not releasing acid

    • D. 

      Collection of cells that are a target cell for adrenaline

  • 12. 
    What is the order of events for 1 beat of the heart?
    • A. 

      Edulla oblongata, nerve down to SAN, wave of excitation produced, right ventricle contracts 1st, quickly followed by the left ventricle, AVN stimulated, wave of excitation down purkinje fibres, down the septum, down to the apex,contraction of atria

    • B. 

      Medulla oblongata, nerve down to AVN, wave of excitation produced, right atrium contracts 1st, quickly followed by the left atrium, SAN stimulated, wave of excitation down purkinje fibres, down the septum, down to the apex,contraction of the whole heart

    • C. 

      Edulla oblongata, nerve down to SAN, wave of excitation produced, right atrium contracts 1st, quickly followed by the left atrium, AVN stimulated, wave of excitation down tricuspid fibres, down the septum, down to the apex,contraction of ventricles

    • D. 

      Medulla oblongata, nerve down to SAN, wave of excitation produced, right atrium contracts 1st, quickly followed by the left atrium, AVN stimulated, wave of excitation down purkinje fibres, down the septum, down to the apex,contraction of ventricles

  • 13. 
    What is stage P?
    • A. 

      Atrium diastole, ventricle systole

    • B. 

      Heart is in diastole

    • C. 

      Atrium systole, ventricle distole

    • D. 

      Atrium diastole, ventricle diastole

  • 14. 
    What stage is QRS?
    • A. 

      Contraction of the ventricles

    • B. 

      Contraction of atria

    • C. 

      Contraction of aorta

    • D. 

      The person has just been surprised

  • 15. 
    What is a normal blood pressure?
    • A. 

      120/80

    • B. 

      140/60

    • C. 

      80/60

    • D. 

      120/50

  • 16. 
    What is the order of layers (from out to in) of an artery?
    • A. 

      Tunica externa, tunica, squamous endothelium, lumen

    • B. 

      Tunica externa, tunica media, squamous endothelium, cilia, lumen

    • C. 

      Tunica externa, tunica media, squamous endothelium, lumen

    • D. 

      Outer layer, middle layer, lumen

  • 17. 
    What is the order of layers (from out to in) for a vein?
    • A. 

      Tunica media, squamous endothelium, lumen

    • B. 

      Tunica externa, tunica media, lumen

    • C. 

      Tunica externa, squamous endothelium, lumen

    • D. 

      Tunica externa, tunica media, squamous endothelium, lumen

  • 18. 
    What does tunica media consist of?
    • A. 

      Smooth muscle and elastic fibres

    • B. 

      Smooth muscle

    • C. 

      Elastic fibres

    • D. 

      Collagen

  • 19. 
    What is Chronic Venous Insufficiency?
    • A. 

      When a baby is born with insufficient valves in the veins

    • B. 

      When the pressure is very low in the veins, causing collapse in the blood vessels

    • C. 

      When the valves in the legs break and blood begins to flow backwards

    • D. 

      When your leg veins cannot pump enough blood back to the heart

  • 20. 
    What is the role of the sphincter muscle?
    • A. 

      To contract and relax to vary the blood supply to the arterioles

    • B. 

      To contract and relax to vary the blood supply to the vein

    • C. 

      To contract and relax to vary the blood supply to the artery

    • D. 

      To contract and relax to vary the blood supply to the venule

  • 21. 
    When plasma is forced out of the arterioles it becomes...?
    • A. 

      Intracellular fluid

    • B. 

      Cell plasma

    • C. 

      Tissue fluid

    • D. 

      Water

  • 22. 
    What is the Pulmonary Circuit?
    • A. 

      The circuit from the lungs to the body cells

    • B. 

      The circuit from the heart back to the heart

    • C. 

      The circuit from the heart to the body

    • D. 

      The circuit from the heart to the lungs

  • 23. 
    Define Systematic Circulation:
    • A. 

      Carries oxygenated blood away from the heart to the body, and returns deoxygenated blood back to the heart

    • B. 

      Carries deoxygenated blood away from the heart to the body, and returns oxygenated blood back to the heart.

    • C. 

      Carries oxygenated blood away from the heart to the body, and returns deoxygenated blood back to the lungs.

    • D. 

      Carries oxygenated blood away from the heart to the body, and returns oxygenated blood back to the heart.

  • 24. 
    What is the link from the aorta to the vena cava?
    • A. 

      Aorta, artery, capillaries, veins, vena cava

    • B. 

      Aorta, artery, arterioles, capillaries, venules, veins, vena cava

    • C. 

      Aorta, artery, arterioles, capillaries, venules, vena cava

    • D. 

      Aorta, arterioles, capillaries, venules, veins, vena cava

  • 25. 
    The arterioles contraction and relaxation are controlled by what?
    • A. 

      Hypomotor fibres

    • B. 

      Somotor fibres

    • C. 

      Purkinje fibres

    • D. 

      Vasomotor fibres

  • 26. 
    A muscular pump is:
    • A. 

      A man when weight lifting

    • B. 

      The contraction of the skeletal muscle, pressing against the veins, forcing blood up towards the heart

    • C. 

      The contraction of muscles within the valve wall, forcing blood towards the heart

    • D. 

      The heart

  • 27. 
    What is a respiratory pump?
    • A. 

      Intrathoracic pressure decreases during inspiration and abdominal pressure increase, squeezing local abdominal veins, allowing thoracic veins to expand and increase blood flow towards the right atrium.

    • B. 

      Intrathoracic pressure increases during inspiration and abdominal pressure decreases, squeezing local abdominal veins, allowing thoracic veins to expand and increase blood flow towards the right atrium.

    • C. 

      Someone blowing up a balloon

    • D. 

      Intrathoracic pressure decreases during inspiration and abdominal pressure increase, squeezing local abdominal veins, allowing thoracic veins to expand and increase blood flow towards the left atrium.

  • 28. 
    The higher number in a BP recording is....and the lower number is...
    • A. 

      Diastolic, ventricular systole

    • B. 

      Diastolic, systolic

    • C. 

      Systolic, diastolic

    • D. 

      Systolic, systolic

  • 29. 
    Pulse pressure is....
    • A. 

      Diastolic-systolic

    • B. 

      Systolic-diastolic

    • C. 

      Systolic/diastolic

    • D. 

      Diastolic/systolic

  • 30. 
    Definition for Dicrotic Notch is:
    • A. 

      An interruption of smooth blood flow, as blood flows backwards, closing the atrioventricular valves

    • B. 

      An interruption of smooth blood flow, as blood flows backwards, closing the semilunar valves

    • C. 

      An interruption of smooth blood flow, as blood out of the heart, closing the atrioventricular valves

    • D. 

      An interruption of smooth blood flow in the body

  • 31. 
    MAP stands for....and is calculated by:
    • A. 

      Mean artium pressure= Systolic pressure+1/3 pulse pressure

    • B. 

      Mean arterial pressure= Diastolic pressure+1/2 pulse pressure

    • C. 

      Mean atrium pressure= Diastolic pressure+1/3 pulse pressure

    • D. 

      Mean arterial pressure= Diastolic pressure+1/3 pulse pressure

  • 32. 
    What is the average stroke volume?
    • A. 

      120ml per beat

    • B. 

      70ml per beat

    • C. 

      50ml per beat

    • D. 

      90ml per beat

  • 33. 
    Stroke Volume=
    • A. 

      Volume when heart at rest- volume at start of systolic

    • B. 

      Volume when heart at rest- end of diastolic volume

    • C. 

      Volume when heart at rest-volume at end of contraction

    • D. 

      I really don't care...

  • 34. 
    Cardiac output=...... and the normal output is....
    • A. 

      Heart rate x stroke volume .... 5250ml

    • B. 

      Heart rate x pulse rate....4250ml

    • C. 

      Heart rate x systolic pressure....5250ml

    • D. 

      Heart rate x diastolic pressure....5250ml

  • 35. 
    Definition for Isovolumetric relaxation is...
    • A. 

      A term used in cardiac physiology to refer to an event occurring in early systole, during which the ventricles contract with no corresponding volume change. This short-lasting event takes place when both the AV valve and vein valves are closed.

    • B. 

      A term used in cardiac physiology to refer to an event occurring in early systole, during which the ventricles relax with no corresponding volume change. This short-lasting event takes place when both the AV valve and SL valve are closed.

    • C. 

      A term used refer to an event occurring in early diastole, during which the ventricles contract with no corresponding volume change. This short-lasting event takes place when both the AV valve and SL valve are open.

    • D. 

      A term used in cardiac physiology to refer to an event occurring in early systole, during which the ventricles contract with no corresponding volume change. This short-lasting event takes place when both the AV valve and SL valve are closed.

  • 36. 
    Lubb is....then Dup is....
    • A. 

      Atrioventricular then mitral valve

    • B. 

      Semilunar valve then atrioventricular

    • C. 

      Mitral valve then semilunar valve

    • D. 

      A bad rap by kanye

  • 37. 
    Stenosis is...
    • A. 

      The valves sticking together, causing a fault in opening, therefore increasing the pressure in the heart to dangerous levels

    • B. 

      The valves becoming detached from the wall of the heart, causing backflow and a rushing sound

    • C. 

      The valves not closing properly , allowing blood to leak allowing backflow

    • D. 

      The narrowing of the valve opening, causing turbulence of the blood, producing a rushing sound

  • 38. 
    Autorhythmic cell works by...
    • A. 

      Steadily increasing the resting membrane potential, once a threshold is reached, calcium channels open, rapid calcium influx and depolarisation, causing an efflux of potassium, this repolarises the cell, then the cycle repeats

    • B. 

      Steadily increasing the resting membrane potential, once a threshold is reached, calcium channels open, rapid calcium effflux and depolarisation, causing an influx of potassium, this repolarises the cell, then the cycle repeats

    • C. 

      Steadily increasing the resting membrane potential, once a threshold is reached, calcium channels close, rapid calcium influx and depolarisation, causing an influx of potassium, this repolarises the cell, then the cycle repeats

    • D. 

      Steadily increasing the action potential, once a threshold is reached, calcium channels open, rapid calcium influx and depolarisation, causing an efflux of potassium repolarises the cell, then the cycle repeats