An Antibiotic Is Given Repeatedly to Treat a Recurrent Ear

question 63

Multiple Choice

An antibiotic is given repeatedly to treat a recurrent ear infection. It worked initially but now is no longer effective. This indicates that the Streptococcus bacterium

• A) is being treated with an antibiotic that has experienced a manufacturing error, making it infective.
• B) is very sensitive to the antibiotic.
• C) is infectious only if it is sensitive to the antibiotic.
• D) experienced natural selection that has allowed the resistant Streptococcus to survive and multiply.

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Definitions:

Planning

The process of thinking about and organizing the activities required to achieve a desired goal, involving the creation and maintenance of a plan.

Brainstem

A critical structure at the base of the brain connecting the cerebrum with the spinal cord, responsible for regulating basic life functions such as breathing, heart rate, and arousal.

Stimulating

To encourage or cause an increase in activity or interest, often in the context of mental or physical response.

Sexual Behavior

Actions and practices related to the expression of sexuality and sexual reproduction, varying widely among individuals and cultures.