Which Statement Regarding Common Colds and Adenoviral Respiratory Tract Infections

question 85

Multiple Choice

Which statement regarding common colds and adenoviral respiratory tract infections is True?

• A) Fever is a sign of adenoviral respiratory tract infections, but is not a sign for the common cold.
• B) The incubation period for adenoviral respiratory tract infections is 1-2 days, while that for common colds is 5-10 days.
• C) Cold viruses are non-enveloped, double-stranded DNA viruses while adenoviruses are non-enveloped single-stranded RNA viruses.
• D) Cold viruses may cause infections other than respiratory infections while adenoviruses only cause upper respiratory tract infections.
• E) Adenoviral respiratory tract infections may also be caused by bacteria while the common cold is always caused by a virus of some kind.

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Definitions:

Output Level

Refers to the quantity of goods or services produced by a firm or an economy at a given time.

Marginal Revenue

The additional revenue that is gained from selling one more unit of a product or service.

Marginal Cost

Expenses incurred from making one more unit of a product or service.

Average Revenue

The mean amount of money earned per unit sold, calculated by dividing the total revenue by the quantity of units sold.