Three Classmates from Microbiology Class Are Talking About Drug Resistance

question 48

Multiple Choice

Three classmates from microbiology class are talking about drug resistance.They each disagree about the definition of the term so they state his or her definition and give a justification.Compare the various definitions and justifications below and pick the one that is most accurate.

• A)The bacterium becomes immune to the drug; the drug no longer kills or inhibits the bacterium.
• B)The person becomes resistant to the drug; the body adjusts to the dosage of the chemical and no longer responds to its action.
• C)The drug is changed in the body and is inactivated physically and chemically so it no longer works properly against the bacterium.
• D)The bacterium has changed physically or chemically in some way to be able to destroy the drug or avoid its action, allowing it to grow unimpeded by the drug.

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Definitions:

Sociobiologists

Scientists who study the biological basis of all forms of social behavior, including in humans.

Evolutionarily Beneficial

Traits or behaviors that increase the chances of survival and reproduction, and are therefore more likely to be passed on to subsequent generations.

Dominant Males

Males who hold the highest rank within a social hierarchy, often having priority access to resources and mates.

Heritability

A measure of how much of the variation in a trait within a population can be attributed to genetic differences among individuals.