Cardiovascular System MCQ Exam Quiz!

15 Questions | Total Attempts: 91

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Cardiovascular System MCQ Exam Quiz! - Quiz

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Questions and Answers
  • 1. 
    The tiny white cords that anchor the cusps or flaps of the endocardium to the walls of the ventricles are called the ________.
    • A. 

      Myocardium

    • B. 

      Chordae tendineae

    • C. 

      Ductus venosus

    • D. 

      Ligamentum arteriosum

  • 2. 
    The bicuspid valve is also referred to as the ________ valve.
    • A. 

      Semilunar

    • B. 

      Aortic

    • C. 

      Pulmonary

    • D. 

      Mitral

  • 3. 
    The walls of the ________ are substantially thicker because that chamber acts as the more powerful systemic pump of the heart.
    • A. 

      Right ventricle

    • B. 

      Left atrium

    • C. 

      Right atrium

    • D. 

      Left ventricle

  • 4. 
    The series of reactions that stop blood flow following a cut is called ________.
    • A. 

      Agglutination

    • B. 

      Erythropoiesis

    • C. 

      Homeostasis

    • D. 

      Coagulation

    • E. 

      Hemostasis

  • 5. 
    Sustained elevated arterial blood pressure above 140/90 mm Hg is a condition known as ________.
    • A. 

      Hypertension (high blood pressure)

    • B. 

      Myocardial infarction

    • C. 

      Orthostatic hypotension

    • D. 

      Circulatory shock

  • 6. 
    The average heart beats about ________ times per minute.
    • A. 

      105

    • B. 

      50

    • C. 

      35

    • D. 

      75

  • 7. 
    Platelets are fragments of a multinucleate cell known as a ________.
    • A. 

      Erythrocyte

    • B. 

      Megakaryocyte

    • C. 

      Monocyte

    • D. 

      Reticulocyte

  • 8. 
    What anchors the flaps of the atrioventricular valves to the walls of the ventricles?
    • A. 

      Interatrial septum

    • B. 

      Chordae tendineae

    • C. 

      Ligamentum arteriosum

    • D. 

      Fossa ovalis

    • E. 

      Coronary sulcus

  • 9. 
    The process by which bleeding is stopped is called ________.
    • A. 

      Erythropoiesis

    • B. 

      Hemostasis

    • C. 

      Hematopoiesis

    • D. 

      Homeostasis

  • 10. 
    When the ventricles contract, the bicuspid (mitral) valve prevents blood from flowing from the ________.
    • A. 

      Right atrium to the left atrium

    • B. 

      Left ventricle to the right ventricle

    • C. 

      Left ventricle to the left atrium

    • D. 

      Left atrium to the right atrium

    • E. 

      Right ventricle to the right atrium

  • 11. 
    The heart is situated within the medial section of the thoracic cavity known as the ________.
    • A. 

      Mediastinum

    • B. 

      Hilus

    • C. 

      Hiatus

    • D. 

      Diaphragm

    • E. 

      Pleural cavity

  • 12. 
    The organ largely responsible for the synthesis of clotting factors is the ________.
    • A. 

      Pancreas

    • B. 

      Liver

    • C. 

      Kidneys

    • D. 

      Spleen

    • E. 

      Throid

  • 13. 
    The first heart sound, "lub," is caused by the closure of the ________ valves.
    • A. 

      Semilunar

    • B. 

      Atrioventricular (AV)

    • C. 

      Aortic

    • D. 

      Pulmonary

  • 14. 
    The process whereby the binding of antibodies to antigens causes RBCs to clump is called ________.
    • A. 

      Hemolysis

    • B. 

      Coagulation

    • C. 

      Clotting cascade

    • D. 

      Agglutination

    • E. 

      Hemostasis

  • 15. 
    Which fetal shunt bypasses the lungs by directly connecting the right atrium and the left atrium?
    • A. 

      Ductus arteriosus

    • B. 

      Umbilical vein

    • C. 

      Foramen ovale

    • D. 

      Ligamentum arteriosum

    • E. 

      Ductus venosus

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