Professor Tate's Test 2: Ch 18-21

115 Questions | Total Attempts: 416

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Professor Tate

Practice test for Professor Tate's final anatomy & physiology  exam. Questions taken from 2nd test of the semester. Chapters 18-21.


Questions and Answers
  • 1. 
    The lymphatic capillaries are:
    • A. 

      Equally permeable to blood capillaries.

    • B. 

      Completely impermeable.

    • C. 

      Less permeable than blood capillaries.

    • D. 

      More permeable than blood capillaries.

  • 2. 
    The only immunoglobulin to exist as a pentamer is:
    • A. 

      IgA.

    • B. 

      IgG.

    • C. 

      IgM.

    • D. 

      IgD.

  • 3. 
    Which of the following is not an autoimmune disease?
    • A. 

      Systemic lupus erythematosus.

    • B. 

      Multiple sclerosis.

    • C. 

      Glomerulonephritis.

    • D. 

      Type II diabetes.

  • 4. 
    Noreprinephrine acts on heart muscle cells by:
    • A. 

      Decreasing heart contractility.

    • B. 

      Blocking the action of calcium.

    • C. 

      Causing threshold to be reached more quickly.

    • D. 

      Causing a decrease in stroke volume.

  • 5. 
    Complement proteins and antibodies coat a microorganism and roughen its surface, Enabling macrophages and neutrophils to phagocytize the organism. This phenomenon is termed:
    • A. 

      Diapedesis.

    • B. 

      Opsonization.

    • C. 

      Agglutination.

    • D. 

      Chemotaxis.

  • 6. 
    Suppressor T cells:
    • A. 

      Decrease their activity as antigenic stimulus decreases.

    • B. 

      May function in preventing autoimmune reactions.

    • C. 

      Are the most thoroughly understood T cells.

    • D. 

      Release cytokines that increase the activity of cytotoxic T cells and activated B cells.

  • 7. 
    Which of the following is a part of the second line of defense against microorganisms?
    • A. 

      Keratin.

    • B. 

      Ciia.

    • C. 

      Gastric juice.

    • D. 

      Phagocytes.

  • 8. 
    Aldosterone will:
    • A. 

      Decrease sodium resorption.

    • B. 

      Promote an increase in blood pressure.

    • C. 

      Result in a larger output of urine.

    • D. 

      Promote a decrease in blood volume.

  • 9. 
    Select the correct statement about the movement of materials at the capillary level.
    • A. 

      If the osmotic pressure in the blood vessels is relatively higher than that in the tissues, tissue edema will result.

    • B. 

      Chemical waste products follow the same general path as oxygen.

    • C. 

      Oxygen diffuses up its concentration gradient.

    • D. 

      Carbon dioxide moves from its production site into the interstitial fluid.

  • 10. 
    Toll-like receptors (TLRs) trigger the release of ______ to attract white blood cells to the scene.
    • A. 

      Complement.

    • B. 

      Prostaglandins.

    • C. 

      Cytokines.

    • D. 

      Histamine.

  • 11. 
    The term blood islands refers to:
    • A. 

      Areas of the vascular system where blood does not circulate.

    • B. 

      The areas of the pancreas where insulin is produced.

    • C. 

      Embryonic masses of mesodermal cells that give rise to the endothelial lining of blood vessels.

    • D. 

      The regions of the liver where nutrients are extracted from visceral blood.

  • 12. 
    The system that recognizes foreign molecules and acts to immobilize, neutralize, or destroy them is the:
    • A. 

      Lymphatic system.

    • B. 

      Renal system.

    • C. 

      Immune system.

    • D. 

      Integumentary system.

  • 13. 
    Cardiac output is about _______ L/min.
    • A. 

      4.25

    • B. 

      7.27

    • C. 

      5.25

    • D. 

      6.26

  • 14. 
    Small molecules that bind with self-proteins to produce antigenic substances are called:
    • A. 

      Haptens.

    • B. 

      Reagins.

    • C. 

      Ions.

    • D. 

      Antibodies.

  • 15. 
    The ligamentum arteriosum connects the?
    • A. 

      The superior vena cava and the ascending aorta.

    • B. 

      Pulmonary trunk and the arch of the aorta.

    • C. 

      Pulmonary veins and the arch of the aorta.

    • D. 

      The ascending aorta and the right pulmonary artery.

  • 16. 
    Which of the following is not a blood vessel attached to the circle of Willis?
    • A. 

      Anterior cerebral artery.

    • B. 

      Posterior cerebral artery.

    • C. 

      Anterior communicating artery.

    • D. 

      Posterior communicating artery.

  • 17. 
    _______ predominate at the site of chronic infections.
    • A. 

      Basophils

    • B. 

      B cells

    • C. 

      Eosinophils

    • D. 

      Macrophages

  • 18. 
    Which of the following is characteristic of complete antigens?
    • A. 

      Inhibit production of antibodies.

    • B. 

      Small molecules.

    • C. 

      Reactivity with an antibody.

    • D. 

      Contain many repeating chemical units.

  • 19. 
    The form of circulatory shock known as hypovolemic shock is:
    • A. 

      Any condition in which blood vessels are inadequately filled and blood cannot circulate normally.

    • B. 

      Only that form of shock caused by large-scale loss of blood.

    • C. 

      Always fatal.

    • D. 

      Shock that results from large-scale loss of blood volume or after severe vomiting or diarrhea.

  • 20. 
    The circulatory route that runs from the digestive tract to the liver is called:
    • A. 

      Pulmonary circulation.

    • B. 

      Coronary circulation.

    • C. 

      Cerebral circulation.

    • D. 

      Hepatic portal circulation.

  • 21. 
    Which of the following is likely during vigorous exercise?
    • A. 

      The skin will be cold and clammy.

    • B. 

      Blood will be diverted to the digestive organs.

    • C. 

      Capillaries of the active muscles will be engorged with blood.

    • D. 

      Blood flow to the kidneys increases.

  • 22. 
    The left coronary artery branches into the anterior interventricular and _____ arteries.
    • A. 

      Great cardiac arteries

    • B. 

      Circumflex

    • C. 

      Marginal

    • D. 

      Posterior interventricular

  • 23. 
    A rapid heart beat of over 100 beats per minute is called?
    • A. 

      Tachycardia.

    • B. 

      Flutter.

    • C. 

      Fibrillation.

    • D. 

      Bradycardia.

  • 24. 
    The primary immune response:
    • A. 

      Occurs more rapidly and is stronger than the secondary response.

    • B. 

      Occurs when memory cells are stimulated.

    • C. 

      Has a lag period whole B cells proliferate and differentiate into plasma cells.

    • D. 

      Is another name for immunological memory.

  • 25. 
    Select the correct statement about phagocytic cells.
    • A. 

      Neutrophils may destroy themselves when they phagocytize large quantities of a foreign substance.

    • B. 

      Kupffer cells are a type of neutrophil.

    • C. 

      Macrophages release defensins during killing.

    • D. 

      The respiratory burst characterizes eosinophil phagocytosis.