Which of the Following Series Best Reflects What We Know

question 22

Multiple Choice

Which of the following series best reflects what we know about how the flu virus moves between species?

• A) An avian flu virus undergoes several mutations and rearrangements such that it is able to be transmitted to other birds and then to humans.
• B) The flu virus in a pig is mutated and replicated in alternate arrangements so that humans who eat the pig products can be infected.
• C) A flu virus from a human epidemic or pandemic infects birds; the birds replicate the virus differently and then pass it back to humans.
• D) An influenza virus gains new sequences of DNA from another virus, such as a herpesvirus; this enables it to be transmitted to a human host.
• E) An animal such as a pig is infected with more than one virus, genetic recombination occurs, the new virus mutates and is passed to a new species such as a bird, the virus mutates and can be transmitted to humans.

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Definitions:

Information-Processing

The manner in which individuals perceive, analyze, manipulate, and store information.

Computer

An electronic device capable of processing, storing, and retrieving data, performing calculations, and executing programmed instructions.

Inventions

Unique or novel devices, methods, or processes that result from study and experimentation.

Schemes

In cognitive development, structured patterns of thought or behavior that individuals use to make sense of their experiences, often evolving with new information.