Pertussis Has the Following Characteristics, Except

question 50

Multiple Choice

Pertussis has the following characteristics, except

• A)the pathogen has virulence factors to destroy the action of respiratory cilia.
• B)the catarrhal stage has persistent, hacking coughs with "whoops".
• C)an early stage resembles a cold with nasal discharge and sneezing.
• D)DTaP immunization will prevent it.
• E)transmission is by respiratory droplets.

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Definitions:

Disjoint Events

Disjoint events are two or more events that cannot occur simultaneously, indicating there is no overlap in their outcomes.

Nonzero Probabilities

This implies that events or outcomes have a likelihood greater than zero of occurring.

Disjoint Events

Two events that cannot occur at the same time, implying they have no outcomes in common.

P(B)

Represents the probability of the occurrence of event B in probability and statistics.