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    Exam Review

    1. During a marathon which of the following hormones is least likely to be released by the runner?
      A)
      angiotensin II
      B)
      atrial natriuretic peptide (ANP)
      C)
      epinephrine
      D)
      antidiuretic hormone (ADH)
      E)
      aldosterone
    2. Which structural layer of blood vessels is most responsible for maintaining blood pressure?
      A)
      tunica intima
      B)
      tunica externa
      C)
      tunica media
      D)
      subendothelial
    3. Which of the following would NOT be expected from taking a diuretic drug?
      A)
      increased urine output
      B)
      lower plasma volume
      C)
      decreased blood pressure
      D)
      greater stress on the heart to provide adequate perfusion
    4. Which blood vessels lack elastic tissue?
      A)
      muscular arteries and arterioles
      B)
      venules and veins
      C)
      capillaries and venules
      D)
      arterioles and capillaries
    Page 1 of 19

    Exam Review

    1. Blood flow is _______ proportional to the difference in blood pressure. Blood flow is proportional to the total peripheral resistance.
      A)
      inversely; directly
      B)
      directly; inversely
      C)
      directly; directly
      D)
      inversely; inversely
    2. B lymphocytes develop immunocompetence in the
      A)
      lymph nodes
      B)
      spleen
      C)
      thymus
      D)
      bone marrow
    3. Cancer cells and virus-infected body cells can be killed before activation of adaptive immunity by
      A)
      phagocytosis
      B)
      natural killer cells
      C)
      B-lymphocytes
      D)
      pinocytosis
      E)
      T-lymphocytes
    4. Which of the following is considered a primary lymphoid organ?
      A)
      lymph node
      B)
      tonsils
      C)
      appendix
      D)
      spleen
      E)
      thymus
    Page 2 of 19

    Exam Review

    1. Which statement best describes arteries?
      A)
      All contain valves to prevent the backflow of blood.
      B)
      All carry blood away from the heart.
      C)
      All carry oxygenated blood to the heart.
      D)
      Only large arteries are lined with endothelium.
    2. Permitting the exchange of nutrients and gases between the blood and tissue cells is the primary function of
      A)
      veins
      B)
      arteries
      C)
      capillaries
      D)
      arterioles
    3. Which of the following contain oxygenated blood?
      A)
      pulmonary trunk
      B)
      lobar arteries
      C)
      pulmonary veins
      D)
      pulmonary arteries
    4. Which of the following processes provides a long-term response to changes in blood pressure?
      A)
      baroreceptor-initiated reflexes
      B)
      chemoreceptor-initiated reflexes
      C)
      renal regulation
      D)
      neural controls
    Page 3 of 19

    Exam Review

    1. Peripheral resistance
      A)
      is not a major factor in blood pressure in healthy individuals
      B)
      increases as blood viscosity increases
      C)
      increases as blood vessel diameter increases
      D)
      decreases with increasing length of the blood vessel
    2. Blood flow to the skin
      A)
      is not an important source of nutrients and oxygen for skin cells
      B)
      increases when body temperature drops so that the skin does not freeze
      C)
      is controlled mainly by decreasing pH
      D)
      increases when environmental temperature rises
    3. Which of the following is the most significant source of blood flow resistance?
      A)
      blood vessel diameter
      B)
      blood vessels type
      C)
      blood viscosity
      D)
      total blood vessel length
    4. The pulse rate depends on all of the following except one. Select the one answer the does NOT affect a pulse rate reading.
      A)
      emotions
      B)
      activity
      C)
      the vessel selected to palpate
      D)
      postural changes
    Page 4 of 19

    Exam Review

    1. Which of the following blood pressure readings would be indicative of hypertension?
      A)
      120/80
      B)
      110/60
      C)
      170/96
      D)
      140/90
    2. A patient with essential hypertension might have pressures of 200/120 mm Hg. This hypertensive state could result in all of the following changes EXCEPT
      A)
      increased damage to blood vessel endothelium
      B)
      increased incidence of coronary artery disease
      C)
      decreased size of the heart muscle
      D)
      increased work of the left ventricle
    3. The baroreceptors in the carotid sinus and aortic arch are sensitive to which of the following?
      A)
      a decrease in oxygen levels
      B)
      changes in arterial pressure
      C)
      an increase in oxygen levels
      D)
      a decrease in carbon dioxide
    4. Small secondary lymphoid organs, which cluster along lymphatic vessels, are termed
      A)
      lymph nodes
      B)
      lymph follicles
      C)
      lacteals
      D)
      lymphatics
    Page 5 of 19

    Exam Review

    1. Which of the following would NOT be classified as a lymphoid organ?
      A)
      tonsils
      B)
      pancreas
      C)
      spleen
      D)
      Peyer's patches of the intestine
    2. Antibodies that act against a particular foreign substance are released by
      A)
      lymph nodes
      B)
      T lymphocytes
      C)
      medullary cords
      D)
      B lymphocytes
      E)
      plasma cells
    3. Lymph leaves a lymph node via
      A)
      the subcapsular sinus
      B)
      the cortical sinus
      C)
      afferent lymphatic vessels
      D)
      efferent lymphatic vessels
    4. Select the correct statement about lymph transport.
      A)
      Lymph transport is faster than that occurring in veins.
      B)
      Under normal conditions, lymph vessels are very high-pressure conduits.
      C)
      Lymph transport depends on the movement of adjacent tissues, such as skeletal muscles.
      D)
      Lymph transport is only necessary when illness causes tissue swelling.
    Page 6 of 19