Download Quiz 6

Human Biology
Spring 2006
Quiz 6 - 20 points
Name:
Part I. Multiple choice. Write your answer next to the question number. 6 points
____ 1. _________ are barriers to pathogens at body surfaces.
1. Intact skin and mucous membranes
2. tears, saliva, and gastric fluid
3. resident bacteria
4. all are correct
____ 2. _____________ are molecules that lymphocytes recognize as foreign and that elicit an
immune response.
1. interleukins
2. antibodies
3. antigens
4. histamines
____ 3. ____________ are molecules released by mast cells during non-specific defense.
<use answers from 2. above>
____ 4. _____________ are molecules released by some cells, like T-helper cells, that communicate
with other cells.
<use answers from 2. above>
____ 5. The most important antigens are __________.
1. nucleotides
2. steroids
3. proteins
4. triglycerides
____ 6. The development of a secondary immune response is based on populations of __________
1. effector cytotoxic T cells
2. memory cells
3. effector B cells
4. macrophages
Part II.
Part III. For each of the following numbers on the diagram below, give the name of the cell or
structure.
7 points.
1.
2.
3.
4.
5.
6.
7.