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| 1 | |
The structure of the larger lymphatic vessels is similar to the structure of cardiovascular |
| | A) | arteries |
| | B) | arterioles |
| | C) | veins |
| | D) | venules |
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| 2 | |
The lymphatic ducts that direct lymph into blood circulation are called the _________ duct and the ________ duct. |
| | A) | anterior lymphatic, abdominopelvic |
| | B) | left lymphatic, subclavian |
| | C) | right lymphatic, thoracic |
| | D) | subclavian, thoracic |
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| 3 | |
Which of the following is not an aspect of spleen structure and function? |
| | A) | Serves as blood reservoir. |
| | B) | Cleanses the lymph. |
| | C) | Houses numerous lymphocytes. |
| | D) | Contains red pulp and white pulp. |
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| 4 | |
Which of the following is not an aspect of thymus structure and function? |
| | A) | Serves as the site for T cell maturation. |
| | B) | Located in the thoracic cavity. |
| | C) | Larger in children than in adults. |
| | D) | Secretes the hormone thyroxin. |
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| 5 | |
Which of the following is not an example of nonspecific defense? |
| | A) | inflammatory reaction |
| | B) | antibody-antigen reaction |
| | C) | complement system |
| | D) | interferon secretion |
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| 6 | |
Which of the following is not an aspect of the inflammatory reaction? |
| | A) | Leukocytes squeeze through capillary walls. |
| | B) | Accumulation of tissue fluid. |
| | C) | Histamine release. |
| | D) | Decreased capillary permeability. |
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| 7 | |
The development of holes in bacterial plasma membranes is caused by |
| | A) | antibodies |
| | B) | complement proteins |
| | C) | histamine |
| | D) | interferon |
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| 8 | |
Antibodies are secreted by |
| | A) | memory B cells |
| | B) | plasma cells |
| | C) | helper T cells |
| | D) | killer T cells |
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| 9 | |
Most antibodies belong to the class |
| | A) | IgA |
| | B) | IgD |
| | C) | IgE |
| | D) | IgG |
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| 10 | |
T cell activation requires |
| | A) | B cell activation. |
| | B) | MHC-antigen complex followed by B cell activation. |
| | C) | antigen-presenting cell (APC) complex sometimes followed by MHC complex. |
| | D) | A, B, and C are required for T cell activation. |
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| 11 | |
Which of the following would provide passive immunity? |
| | A) | vaccination |
| | B) | maternal antibodies crossing the placenta to the fetus |
| | C) | maternal antibodies in breast milk |
| | D) | B and C, but not A |
| | E) | A, B, and C |
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| 12 | |
HIV infects |
| | A) | helper T cells |
| | B) | killer T cells |
| | C) | memory B cells |
| | D) | plasma cells |
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| 13 | |
A person with a T lymphocyte count between 200 and 499 per cubic mm, swollen lymph nodes, and a recurrent fever would be in the __________ stage of an HIV-1 infection. |
| | A) | category A |
| | B) | category B |
| | C) | category C |
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| 14 | |
Which class of antibodies causes allergies? |
| | A) | IgA |
| | B) | IgD |
| | C) | IgE |
| | D) | IgG |
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| 15 | |
During an allergic reaction, mast cells release |
| | A) | allergens |
| | B) | antibodies |
| | C) | histamine |
| | D) | interferon |
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| 16 | |
The lymphoid organs are so called because they contain lymph. |
| | A) | True |
| | B) | False |
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| 17 | |
A damaged spleen can be removed from a body and the person can still survive. |
| | A) | True |
| | B) | False |
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| 18 | |
B cells are responsible for cell mediated immunity. |
| | A) | True |
| | B) | False |
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| 19 | |
IgG antibodies have 2 antigen binding sites. |
| | A) | True |
| | B) | False |
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| 20 | |
Active immunity develops after an individual is infected with a virus or bacterium. |
| | A) | True |
| | B) | False |
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| 21 | |
What do we call a protein produced by virus-infected cells? |
| | A) | mast |
| | B) | histamine |
| | C) | NK cells |
| | D) | Interferon |
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| 22 | |
A retrovirus has what kind of genetic material? |
| | A) | r-DNA |
| | B) | RNA |
| | C) | d-RNA |
| | D) | c-DNA |
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| 23 | |
Anaphylactic shock is an example of a(n): |
| | A) | tissue rejection. |
| | B) | an immediate allergic response. |
| | C) | B cells aging. |
| | D) | rheumatoid arthritis. |
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| 24 | |
The genetic material of a virus has a low mutation rate. |
| | A) | True |
| | B) | False |
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| 25 | |
Antibodies of the same type and produced by plasma cells derived from the same B cell are called what? |
| | A) | monoclonal antibodies |
| | B) | anticlonal antibodies |
| | C) | SARS |
| | D) | radioactive |
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