Which of the Following Statements Concerning Influenza Is Incorrect

question 33

Multiple Choice

Which of the following statements concerning influenza is incorrect?

• A) The elderly and patients with chronic health problems are at greater risk for complications.
• B) Type C influenza is milder than the other types.
• C) One type of influenza mutation is called antigenic drift, which refers to an abrupt change in the virus strain.
• D) Several influenza pandemics have occurred in the past.

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Definitions:

Organism

A living entity that can function independently, consisting of one or more cells.

Contractile Vacuole

In freshwater protists, an organelle that collects and expels excess water.

Cilia

Microscopic hair-like structures that extend from the surface of many animal cells, involved in movement and sensory processes.

Micronucleus

A small nucleus that forms whenever a cell undergoes nucleus division, often seen in certain protozoans.