Pertussis Has the Following Characteristics, Except

question 6

Multiple Choice

Pertussis has the following characteristics, except:

• A)pathogen has virulence factors to destroy the action of respiratory cilia.
• B)catarrhal stage has persistent, hacking coughs with "whoops".
• C)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:

Elastic

A characteristic of a demand or supply curve which shows a high responsiveness to changes in price.

Inelastic

Refers to a condition in which the demand or supply of a product or service remains largely unaffected by variations in its price.

Pure Monopolist

A market scenario where a single company or entity exclusively controls the entire supply of a particular product or service, without any close substitutes or competition.

Socially Optimal

A condition or outcome that maximizes societal welfare, considering both efficiency and equity among members of society.