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The dual nature of the immune system

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Reference no: EM132055474

1. Explain what is meant by "The Dual nature of the immune system" Be specific

2. The Major Histocompatbility Complex consists of:

a. lipids

b. polysaccharides

c. glycoproteins

d. peptidoglycan

3. Cells that excrete the lethal protein perforin are:

a.B cells

b. T helper cells

c. Plasma cells

d. NK cells

4. Antibodies are produced by:

a. T helper cells

b. T suppressor cells

c. Macrophages

d. Plasma cells

5. Intentional introduction of antibodies into a patient is:

a. Naturally acquired active immunity

b. Naturally acquired passive immunity

c. Artificially acquired active immunity

d. Artificially acquired passive immunity

6. The antibody molecule that appears first and is indicative of active infection belongs to class:

a. IGA

b. IGG

c. IGM

d. IGE

7. Small molecules that combine with larger foreign molecules are known as:

a. glycoproteins

b. epitopes

c. perforins

d. haptens

8. The parts of an antibody responsible for antibody diversity are:

a. Constant regions

b. Proteins

c. Variable regions

d. Fc region

Reference no: EM132055474

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