Bordetella Pertussis Is Characterized by Rapid Peripheral Lymphocytosis and Decreased

question 9

Multiple Choice

Bordetella pertussis is characterized by rapid peripheral lymphocytosis and decreased cellularity of the lymph nodes.What can explain this phenomenom?

• A)Loss of homing of B cells to lymphoid tissues
• B)Loss of homing of T cells to lymphoid tissue
• C)Abnormal homing of lymphocytes to the bone marrow
• D)Increase of L-selectin expression by T cells

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Definitions:

Universal Instantiation

A principle in logic that allows for the deducing of a statement about a specific instance from a general statement that applies to all instances.

Universal Generalization

A form of deductive reasoning that concludes a general statement is true for all instances based on the observation of particular instances.

Quantifier Negation

The process of negating the quantifiers in a statement, such as changing "all" to "not all" or "some" to "none".

Existential Generalization

A logical operation that infers the existence of at least one member of a domain that satisfies a certain property from a specific case.