Chapter 27: Immunity Flashcards

Here you will find the definitions of terms relating to human immunity.

19 cards   |   Total Attempts: 188
  

Cards In This Set

Front Back
Question 1
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
Question 2
What is a disinfectant?
It is a chemical liquid that destroys bacteria.
Question 3
What does antiseptic mean?
Of, relating to, or denoting substances that prevent the growth of disease-causing microorganisms.
Question 4
What is a communicable disease?
A disease that can be transmitted.
Question 5
What is a sexually transmitted disease?
A disease that is transmitted through sexual contact or activity.
Question 6
Section 2
What is the immune system?
The body's protections against potentially harmful foreign substances.
Question 7
What is an antibody?
A blood protein produced in response to and counteracting a specific antigen.
Question 8
What is an antigen?
A toxin or other foreign substance that induces an immune response in the body, esp. the production of antibodies.
Question 9
Active immunity is...?
The immunity that results from the production of antibodies by the immune system in response to the presence of an antigen.
Question 10
Passive immunity is...?
The short-term immunity that results from the introduction of antibodies from another person or animal.
Question 11
Define lymphocyte.
A form of small leukocyte (white blood cell) with a single round nucleus, occurring esp. in the lymphatic system.
Question 12
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
Question 13
Section 4
What is a non-communicable disease?
A disease that cannot be transmitted
Question 14
What is a chronic disease?
A disease that is long-lasting or recurrent.
Question 15
Define cancer.
The disease caused by an uncontrolled division of abnormal cells in a part of the body