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    Exam Review

    1. Which cardiac conduction system component follows the SA node?
      A)
      AV node
      B)
      Bundle of His
      C)
      Purkinje fibers
      D)
      AV bundle
    2. Which of the following contain valves? Check all that apply.
      (SATA)
      A)
      heart
      B)
      arteries
      C)
      veins
      D)
      capillaries
    3. What term refers to a mass of cells that act as a unit?
      A)
      Intercalated discs
      B)
      Chordae tendineae
      C)
      Functional syncytium
      D)
      Systole
    4. What site is commonly used to feel a pulse?
      A)
      Radial artery on the wrist
      B)
      Internal jugular vein in the neck
      C)
      Aorta in the chest
      D)
      Subclavian artery in the neck
    Page 1 of 27

    Exam Review

    1. Plasma proteins contribute to the
      A)
      pressure of the blood.
      B)
      osmotic
      C)
      filtration
      D)
      central venous
      E)
      hydrostatic
    2. Name the innermost layer of an artery wall.
      A)
      Tunica media
      B)
      Tunica externa
      C)
      Endothelium
      D)
      Vasa vasorum
    3. When the first heart sound is heard, what is occurring with the heart valves?
      A)
      The AV valves are closing.
      B)
      The semilunar valves are closing.
      C)
      The AV valves are opening.
      D)
      The semilunar valves are opening.
    4. What factor can increase blood pressure?
      A)
      An increase in parasympathetic stimulation
      B)
      A decrease in peripheral resistance
      C)
      An increase in heart rate
      D)
      A decrease in stroke volume
    Page 2 of 27

    Exam Review

    1. What is a function of the pulmonary circuit?
      A)
      It carries oxygen-poor blood to the tissues.
      B)
      It carries oxygen-poor blood to the heart.
      C)
      It carries oxygen-poor blood from the tissues.
      D)
      It carries oxygen-poor blood to the lungs.
    2. What is vasodilation?
      A)
      Compression of a vein because of muscle contraction.
      B)
      An increase in the diameter of a blood vessel.
      C)
      Contraction of the ventricles which increases ventricular pressure.
      D)
      A decrease in the diameter of a blood vessel.
    3. In the highlighted area, what pulse could be measured?
      A)
      Radial
      B)
      Ulnar
      C)
      Brachial
      D)
      Dorsalis pedis
    4. Which of the following would contain characteristics of cardiac muscle tissue, such as intercalated discs?
      A)
      endocardium
      B)
      parietal pericardium
      C)
      epicardium
      D)
      myocardium
    Page 3 of 27

    Exam Review

    1. Select all of the accurate characteristics of veins. Check All That Apply
      A)
      They are thicker than arteries.
      B)
      Their tunica media is less developed than in arteries.
      C)
      They often have one-way valves.
      D)
      They carry blood under very high pressure.
    2. From the left ventricle, blood is pushed into which vessel?
      A)
      pulmonary veins
      B)
      superior vena cava
      C)
      pulmonary trunk
      D)
      aorta
    3. What vessel drains the blood from the face and scalp?
      A)
      External jugular vein
      B)
      Superior vena cava
      C)
      Subclavian vein
      D)
      Cephalic vein
    4. Which of the following parts of an EKG occurs during ventricular depolarization?
      A)
      QRS complex
      B)
      T wave
      C)
      P wave
      D)
      PQ segment
    Page 4 of 27

    Exam Review

    1. What chamber of the heart is indicated in the figure?
      A)
      Right atrium
      B)
      Right ventricle
      C)
      Left atrium
      D)
      Left ventricle
    2. Which cell type is an agranulocyte?
      A)
      Monocytes
      B)
      Neutrophils
      C)
      Eosinophils
      D)
      Basophils
    3. Leukocytes can undergo diapedesis. What is diapedesis?
      A)
      The formation of a network of fibrin fibers.
      B)
      The release of the contents of cytoplasmic granules.
      C)
      The ability to rapidly divide, increasing the number of a particular type of leukocyte.
      D)
      The ability of cells to squeeze between cells of capillary walls.
    4. Platelets are cell fragments that are released by what type of cell?
      A)
      Megakaryocytes
      B)
      Macrophages
      C)
      Monoblasts
      D)
      Reticulocytes
    Page 5 of 27

    Exam Review

    1. Describe the role of plasmin.
      A)
      Converts fibrinogen to fibrin, allowing the formation of a clot
      B)
      Breaks down fibrin, dissolving the clot
      C)
      Triggers the extrinsic clotting mechanism, leading to clot formation
      D)
      Inactivates thrombin, slowing clot formation
    2. Jose has no A and no B antigens on his red blood cells. Jose's blood type is:
      A)
      Туре В
      B)
      Type A
      C)
      Type O
      D)
      Туре АВ
    3. The hormone dropdown controls red blood cell production via a dropdown feedback mechanism.
    4. What are the formed elements?
      A)
      Bone marrow and the thymus
      B)
      Blood and lymph
      C)
      Blood cells and platelets
      D)
      Sodium and potassium
    Page 6 of 27