The Immune System
Lesson 10 - Correct Answer Key

    Correct answers are indicated by an asterisk (*).

  1. What is our best defense against cancer?
    A. The American Cancer Society
    *B. A strong immune system
    C. Antibiotic drugs
    D. Magnets

  2. Which of the following is part of the body's natural defenses against foreign invaders?
    A. The skin
    B. Mucus in lungs and nasal passages
    C. Acids and enzymes in the digestive tract
    D. The immune system
    *E. All of the above

  3. True or False: The lymph moves through the body by way of one-way valves, aided by the compression of lymph vessels when the muscles of the body contract.
    *True

  4. What is the major cell type of the lymphatic system?
    A. Histiocytes
    B. Monocytes
    *C. Lymphocytes
    D. Granulocytes
    E. Plaza cells

  5. A substance that induces an immune response when introduced into the body is known as an
    A. antibody
    *B. antigen
    C. allergy
    D. autoimmune

  6. A molecule produced by the body and responsible for recognizing and marking an antigen for destruction by the white blood cells is known as an
    *A. antibody
    B. antigen
    C. allergy
    D. autoimmune

  7. One function of the immune system is to recognize and eliminate cancer cells that arise within the body. This process is known as
    A. Autoimmune
    *B. Immune Surveillance
    C. Cell-Mediated Immunity
    D. Humoral Immunity

  8. This herb was used by the Plains Indians of North America and has been one of the most scientifically studied herbs. It is considered by herbalists to be one of the most useful herbs because it not only provides help for the immune system, it is also known as the "King of the Blood Purifiers":
    *A. Echinacea
    B. Golden Seal
    C. Garlic
    D. Oregon Grape

  9. Because demand is high and supplies are low for this important herb for the immune system, it is one of the most expensive herbs on the market, and also one of the most counterfeited:
    A. Echinacea
    *B. Golden Seal
    C. Garlic
    D. Oregon Grape

  10. This herb has served humankind for centuries. The only problem with getting enough of it into the diet has always been the odor it leaves on the breath:
    A. Echinacea
    B. Golden Seal
    *C. Garlic
    D. Oregon Grape

  11. This herb from the Peruvian rain forest received its name because it has thorns that resemble the claws of a cat:
    A. Grapine
    B. Echinacea
    C. Catnip
    *D. Uña de Gato

  12. What is the NSP key product for the immune system?
    *A. Defense Maintenance Formula
    B. Master Gland
    C. ALJ
    D. Mega-Chel

Continue to Lesson 11

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