1. Antibody-mediated immunity is effective against All of these are correct
- toxins
- bacteria
- extracellular antigens
- viruses
2. Following a primary immune response, the cells Both B cells and T cells
that give rise to memory cells are
3. The following are steps in the cell-mediated im- 2, 4, 1, 5, 3, 6
mune response: List the correct sequence of the
events listed below:
1. Several cycles of mitosis
2. Antigen is engulfed and presented by a
macrophage
3. Cytotoxic T cells migrate to focus of infection
4. Helper T cell recognizes the antigen and binds
to it
5. Large clone of activated T cells differentiate to
form Memory T cells, Killer T cells, and Regulatory
T cells
6. Cytotoxic cells release perforin and/or lym-
phokines
4. Once a helper T-lymphocyte recognizes an anti- Cytokines
gen, it begins the immune response by secreting
chemical signals called
5. Which is true of the adaptive immune response? It is involved with destroying
body cells that have been infect-
ed with a pathogen
6. Innate defenses are Fast and non specific
, Final Exam A&P 2 (Chapter 16, 17, 19, 20, 21, 22, and 23)
7. The transfer of antibodies across the placenta be- Passive natural immunity
fore birth is seen in
8. Marsha gets a splinter in her finger. What is her Innate defense
body's response to any microbe that might try to
enter her body as a result of the splinter breaking
the skin?
9. Signs and symptoms of local inflammation in- All of these are signs/symptoms
clude of inflammation
- pain
- redness and heat
- loss of function
- swelling
10. Disease-causing agents are called Pathogens
11. The hormone secretin Stimulates release of pancreatic
juices
12. Which region of the digestive tract moves mate- Large intestine
rial by peristalsis, haustral churning, and mass
movement?
13. The swallowing center is located in The medulla oblongata
14. _______ is a protein-digesting enzyme in pancreat- Trypsin
ic juice
15. The enzyme catalyzing the hydrolysis of triglyc- Lipase
erides is
16. The parietal cells of gastric glands secrete Hydrochloric acid