Name: _____________________________________ Section: _________
7th Grade Health
Immune System Vocabulary Quiz
Use the word bank below to define each description. Use each term only once.
Bacteria
Infectious Disease
Pathogen
Fungi
Parasite
Virus
1. __________________________ A tiny, nonliving particle that enters and
then reproduces inside a living cell
2. __________________________ One of the kingdoms of life that
contains organisms that are eukaryotic, heterotrophic, have cell walls, and use
spores to reproduce
3. __________________________ Disease caused by the presence of a
living thing in the body that can pass from one organism to another
4. ___________________________ Another name for a germ or
something that can cause disease
5. ___________________________ Single celled, prokaryotic organisms
6. ___________________________ An organism that benefits by living
with, on, or in a host in which the host is harmed
Match the letter of the term which best describes each definition.
7. ______ Part of the body’s defense against
pathogens in which fluid and white blood cells
destroy pathogens by breaking them down
a. Antibiotic
8. ______ Immunity that occurs when a
person’s own immune system produces
antibodies
b. Antibiotic Resistance
9. ______ A protein produced by a B-cell
that destroys pathogens
c. Antibody
10. ______ A substance used in a
vaccination that has been weakened or killed
but can still trigger the body to produce
chemicals that destroy pathogens
d. Antigen
11. ______ Immunity in which antibodies
are given to a person rather than produced
within the person’s own body
e. Immune Response
12. ______ Part of the body’s defense
in which cells of the Immune system react
to each kind of pathogen with a defense
targeted specifically at that pathogen
f. Active Immunity
13. ______ A molecule that the immune
system recognizes either as part of the body
or as coming from outside the body
g. Passive Immunity
14. ______ The ability of bacteria to
withstand the effects of an antibiotic
h. Inflammatory Response
15. ______ A chemical that kills bacteria
or slows down their growth without harming
body cells
g. Vaccine
Choose the one best answer for each question.
16. ______ A type of lymphocyte that is stored in the thymus that identifies
pathogens and distinguishes one pathogen from another.
a. B-cell
c. Phagocyte
b. T-Cell
d. Macrophage
17. ______ A white blood cell that destroys pathogens by engulfing them and
breaking them down.
a. Lymphocyte
c. Phagocyte
b. Leukocyte
d. Antigen
18. ______ A type of lymphocyte that forms in the bone marrow which produce
proteins called antibodies that help destroy pathogens.
a. B-Cell
c. Antibiotic
b. T-Cell
d. Virus