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Section 1 Define pasteurization. |
Process of partial sterilization, esp. one involving heat treatment or irradiation, thus making the product safe for consumption and improving its keeping quality
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What is a disinfectant? |
It is a chemical liquid that destroys bacteria.
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What does antiseptic mean? |
Of, relating to, or denoting substances that prevent the growth of disease-causing microorganisms.
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What is a communicable disease? |
A disease that can be transmitted.
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What is a sexually transmitted disease? |
A disease that is transmitted through sexual contact or activity.
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Section 2 What is the immune system? |
The body's protections against potentially harmful foreign substances.
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What is an antibody? |
A blood protein produced in response to and counteracting a specific antigen.
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What is an antigen? |
A toxin or other foreign substance that induces an immune response in the body, esp. the production of antibodies.
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Active immunity is...? |
The immunity that results from the production of antibodies by the immune system in response to the presence of an antigen.
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Passive immunity is...? |
The short-term immunity that results from the introduction of antibodies from another person or animal.
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Define lymphocyte. |
A form of small leukocyte (white blood cell) with a single round nucleus, occurring esp. in the lymphatic system.
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Section 3 Vaccination is...? |
A substance used to stimulate the production of antibodies and provide immunity against one or several diseases, prepared from the causative agent of a disease, its products, or a synthetic substitute, treated to act as an antigen without inducing the disease
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Section 4 What is a non-communicable disease? |
A disease that cannot be transmitted
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What is a chronic disease? |
A disease that is long-lasting or recurrent.
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Define cancer. |
The disease caused by an uncontrolled division of abnormal cells in a part of the body
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