Biology Pak 9 Self Check Quiz 4
6 Questions
| Attempts: 208
This is a short quiz over PAK 9 PowerPoint pt. 4 (Chapter 40)
Questions and Answers
- 1.The body’s first line of defense against infection includes all of the following except
- A.
Skin
- B.
Acids in the stomach
- C.
Mucous membranes
- D.
Interleukin-1
- 2.Which of the following is a nonspecific defense against pathogens?
- A.
B cells
- B.
Helper T cells
- C.
Antibodies
- D.
The inflammatory response
- 3.The Y-shaped molecule that is produced by plasma cells upon exposure to a specific antigen and can bind to that antigen is called a(n)
- A.
Macrophage
- B.
Antibody
- C.
B cell
- D.
Helper T cell
- 4.HIV causes AIDS by attacking and destroying
- A.
Helper T cells
- B.
Neutrophils
- C.
B cells
- D.
Antibodies
- 5.An inappropriate immune system response against a nonpathogenic antigen is called a(n)
- A.
Autoimmune disease
- B.
Allergic reaction
- C.
Secondary immune response
- D.
Vaccination reaction
- 6.Vaccines are effective in preventing disease because they
- A.
Are antibodies directed against specific pathogens
- B.
Interfere with the release of suppressor T cells
- C.
Trigger antibody formation
- D.
Contain specific B cells and T cells
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