Which of the Following Is Not True of Influenza

question 26

Multiple Choice

Which of the following is not true of influenza?

• A)Influenza has glycoprotein spikes of hemagglutinin (H) and neuraminidase (N).
• B)Antigenic drift changes the antigens to reduce immune recognition.
• C)Antigenic shift causes changes in the RNA strands.
• D)Influenza B viruses undergo both antigenic drift and antigenic shift.
• E)H5N1 is the bird flu strain that may cause a pandemic.

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Definitions:

Probability

A statistical metric that indicates the extent of the chance of an event taking place, expressed within the range from 0 (no chance) to 1 (absolute certainty).

Binomial Probability Experiment

An experiment or process that has exactly two possible outcomes (success or failure) for each trial and where the probability of success is the same for each trial.

Probability

The measure of the likelihood that an event will occur, quantified between 0 and 1, where 0 indicates impossibility and 1 indicates certainty.

Standard Normal Distribution

A standard normal distribution characterized by a mean of 0 and a standard deviation of 1.