Download 1. What proteins attach to antigens on bacteria or free viruses

Name: ____________________________________
Class: _____________
Date: _____________
Self Assessment: Immune System
1. What proteins attach to antigens on bacteria or free viruses, marking them for destruction by phagocytes or
complement?
a) T cells
b) antibodies
c) B cells
d) APC
2. What system carries immunity producing antibodies through the body?
a) circulatory system
b) skeletal system
c) excretory system
d) endocrine system
3. Where are lymphocytes produced?
a) bone marrow
b) lymph nodes
c) brain
d) tonsils
4. What are the major histocompatibility complex (MHC) molecules?
a) a complement that destroys marked cells
b) proteins that mark cells as "self"
c) an antigen that identifies a cell as "nonself"
d) killer T cells that destroy marked cells
5. What is a difference between B cells and T cells?
a) B cells control the humoral response; T cells control the cell mediated response.
b) B cells are produced in the brain; T cells are produced in the thyroid.
c) B cells bind to antigens in the blood; T cells target cells in the body for removal.
d) B cells bind invader cells together for destruction; T cells target cells for removal.
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Name: ____________________________________
Class: _____________
Date: _____________
Self Assessment: Immune System
6. In the antibody response, what happens after a phagocyte ingests a foreign invader?
a) The phagocyte replicates.
b) The phagocyte displays invader antigens on its surface.
c) The phagocyte bursts.
d) The phagocyte is targeted by destructive immune cells.
7. What is a function of the complement system?
a) coat cells to assist phagocytosis
b) to create blood clots
c) stimulate the release of lysozyme
d) engulf infected cells
8. The immune system is _____.
a) a defense system in the body that includes only various kinds of blood cells
b) a defense system in the body that includes only the barriers of skin and hair
c) a collection of proteins, cells, tissues, and organs that provide defense against foreign elements
d) an organ system that produces chemicals to counteract foreign microorganisms
9. What cells initiate a specific immune response when presented with an antigen?
a) macrophages
b) antibodies
c) phagocytes
d) T cells
10. What is an inappropriate inflammatory response called?
a) allergy
b) histamine
c) lysozyme
d) antigen
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ANSWER KEY
1. b
2. a
3. a
4. b
5. a
6. b
ANSWER KEY Page 1
7. a
8. c
9. d
10. a