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| 1 | |
With innate immunity, |
| | A) | each time the body is exposed to a substance, the response is the same. |
| | B) | specificity and memory are involved. |
| | C) | we can become immune to a disease. |
| | D) | antibodies may be produced. |
| | E) | all of these |
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| 2 | |
Lymphatic tissue |
| | A) | contains many lymphocytes. |
| | B) | filters blood or lymph. |
| | C) | contains fine reticular fibers. |
| | D) | is found in the spleen, tonsils, and lymph nodes. |
| | E) | all of these |
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| 3 | |
The ____________ are usually referred to as "the tonsils." |
| | A) | lingual tonsil |
| | B) | laryngeal tonsils |
| | C) | palatine tonsils |
| | D) | pharyngeal tonsil |
| | E) | thymal tonsils |
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| 4 | |
Lymph nodes |
| | A) | have one afferent and many efferent vessels. |
| | B) | have germinal centers where lymphocytes divide. |
| | C) | filter the blood. |
| | D) | are found only in the lower limbs. |
| | E) | pump lymph toward the heart. |
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| 5 | |
In the spleen, |
| | A) | white pulp is associated with veins. |
| | B) | red pulp is associated with arteries. |
| | C) | mainly lymph is filtered. |
| | D) | there are many lymph sinuses. |
| | E) | worn-out erythrocytes are destroyed. |
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| 6 | |
Which of these chemical mediators does NOT promote inflammation? |
| | A) | complement |
| | B) | histamines |
| | C) | leukotrienes |
| | D) | lysozyme |
| | E) | prostaglandins |
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| 7 | |
Complement |
| | A) | is a group of about 100 proteins found in plasma. |
| | B) | circulates in the blood in an inactive form. |
| | C) | becomes activated by contact with erythrocytes. |
| | D) | is produced from lymph. |
| | E) | is only effective against viruses. |
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| 8 | |
The most important phagocytes are |
| | A) | lymphocytes and basophils. |
| | B) | basophils and mast cells. |
| | C) | neutrophils and basophils. |
| | D) | neutrophils and macrophages. |
| | E) | macrophages and lymphocytes. |
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| 9 | |
Dust cells, microglia, and Kuppfer cells are examples of |
| | A) | basophils. |
| | B) | eosinophils. |
| | C) | lymphocytes. |
| | D) | macrophages. |
| | E) | neutrophils. |
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| 10 | |
Natural killer cells |
| | A) | are a type of macrophage. |
| | B) | exhibit no memory response. |
| | C) | recognize cells infected by a specific virus. |
| | D) | are produced in the thymus. |
| | E) | all of these |
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| 11 | |
Which of these is an example of a self-antigen? |
| | A) | bacterial antigen |
| | B) | viral antigen |
| | C) | pollen antigen |
| | D) | food antigen |
| | E) | tumor antigen |
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| 12 | |
Given these events that are part of helper T cell activation: 1.interleukin-1 released by macrophage (costimulation) 2. antigen processed by macrophage 3. helper T cell binds to macrophage 4. helper T cell releases interleukin-2 and divides 5. antigen displayed on MHC molecule, Arrange the events in the order that they occur as an antigen is recognized and a helper T cell is activated. |
| | A) | 1,4,2,5,3 |
| | B) | 2,5,3,1,4, |
| | C) | 3,1,4,2,5 |
| | D) | 4,2,5,3,1 |
| | E) | 5,3,1,4,2 |
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| 13 | |
B cells |
| | A) | are stimulated by helper T cells. |
| | B) | are produced in the thymus. |
| | C) | release cytokines. |
| | D) | cause cell lysis. |
| | E) | all of these |
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| 14 | |
Antibodies |
| | A) | are glycolipids. |
| | B) | have a constant region that binds to antigens. |
| | C) | are produced by plasma cells. |
| | D) | are produced in cell-mediated immunity. |
| | E) | are most effective against microorganisms that live inside cells. |
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| 15 | |
Antiserum is used to produce |
| | A) | active natural immunity. |
| | B) | active artificial immunity. |
| | C) | passive natural immunity. |
| | D) | passive artificial immunity. |
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| 16 | |
Specialized lymphatic vessels located in the lining of the small intestine that help with absorption of fats and other substances from the digestive system are |
| | A) | lymph nodes. |
| | B) | lymph nodules. |
| | C) | lacteals. |
| | D) | tonsils. |
| | E) | lymphocytes. |
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| 17 | |
Which of the following is NOT a symptom of local inflammation? |
| | A) | Redness |
| | B) | Swelling |
| | C) | Pain |
| | D) | Loss of Function |
| | E) | All of these are symptoms of local inflammation. |
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| 18 | |
Some stem cells are capable of giving rise to pre-T cells and pre-B cells. Pre-T cells migrate to and are processed into T cells in the ______________, and pre-B cells are processed into B-cells in the ____________. |
| | A) | thymus; red bone marrow |
| | B) | thymus; spleen |
| | C) | red bone marrow; thymus |
| | D) | red bone marrow; spleen |
| | E) | spleen; thymus |
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| 19 | |
Immunoglobulin ___ is secreted into saliva, tears, and onto mucous membranes to provide protection on body surfaces. |
| | A) | G |
| | B) | M |
| | C) | A |
| | D) | E |
| | E) | D |
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