All the Following Statements Apply to Toxoids EXCEPT

question 43

Multiple Choice

All the following statements apply to toxoids EXCEPT:

• A) They stimulate antibody- mediated immune responses.
• B) They are produced against the toxin of the microorganism rather than the microorganism itself.
• C) They have few antigenic determinants.
• D) They provide lifelong immunity.
• E) They are chemically or thermally modified.

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Definitions:

Categorical Proposition

A statement that affirms or denies something about all members of a category.

Conversion

In logic, a method of changing a categorical proposition by interchanging its subject and predicate without altering its truth value.

Obversion

A logical operation that involves changing a categorical statement into its obverse by negating both the subject and predicate and changing the quality of the statement from affirmative to negative, or vice versa.

Contraposition

A method in logic for deriving a new statement by reversing and negating both the subject and predicate of the original statement.