Which of the Following Statements Best Reflects What We Know

question 54

Multiple Choice

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

• A) The flu virus in a pig is mutated and replicated in alternate arrangements so that humans who eat the pig products can be infected.
• B) A flu virus from a human epidemic or pandemic infects birds; the birds replicate the virus differently and then pass it back to humans.
• C) 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.
• D) An animal such as a pig is infected with more than one virus, genetic recombination occurs, the new virus mutates, the virus is passed to a new species such as a bird, and the virus mutates again and can now be transmitted to humans.

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Definitions:

Non-Soluble Fibre

A type of dietary fiber that does not dissolve in water, aids in digestive health by adding bulk to the stool and promoting regular bowel movements.

Lentils

Edible seeds from the legume family, known for their lens shape and used in various cuisines worldwide as a source of protein and nutrients.

Continuous Open System

A system that operates unceasingly with exchanges of matter or energy between the system and its surroundings.

Tube-feeding Set

A collection of supplies and equipment used to deliver liquid nutrition directly into the stomach or intestine through a tube, for patients who are unable to eat by mouth.