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21. The Immune System

Clonal Selection

21. The Immune System

Clonal Selection

Open Question
Mark the following statements as true or false. If a statement is false, correct is to make a true statement.

c. Subunit vaccines consist of pathogens that are alive but unable to cause disease.
Open Question
Which antibody class is abundant in body secretions?a. IgA,b. IgD,c. IgE,d. IgG,e. IgM.
Open Question
The specificity of an antibody is determined by the (a) fixed segment, (b) antigenic determinants, (c) variable region, (d) size of the antibody, (e) antibody class.
Activity
Mechanisms of antibody action
Open Question
Give one example of each type of immunity: innate immunity, naturally acquired active immunity, artificially acquired active immunity, artificially acquired passive immunity, and naturally acquired passive immunity.
Multiple Choice
Active artificially acquired immunity is a result of __________.
Open Question
Your friend tests her snake-wrangling skills on an eastern diamondback rattlesnake, and is bitten and envenomated (injected with the snake's venom). In the emergency department, doctors administer the antivenin CroFab, which contains antibodies to the toxins in snake venom. Is this an example of active or passive immunity? Will this confer any lasting protection to your friend?