Your Friend Was Diagnosed with Strep Throat 2 Months Ago

question 45

Multiple Choice

Your friend was diagnosed with strep throat 2 months ago. She was treated with antibiotics for 10 days, but two weeks after treatment, the symptoms returned. She was given a different antibiotic and her symptoms improved again, initially, but then got worse. What is happening?

• A) Your friend has taken antibiotics so long that she has become tolerant to them, making them ineffective.
• B) Exposure to antibiotics has caused each individual bacterial cell to evolve resistance to the antibiotics.
• C) Your friend was originally infected with some bacteria that were resistant to these two antibiotics and the bacteria multiplied.
• D) Your friend probably doesn't have a bacterial infection. There must be some other reason for her symptoms.

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Definitions:

Price Elastic

Refers to the responsiveness of the quantity supplied or demanded of a good or service to a change in its price, often interchangeable with Price Elasticity of Demand or Supply depending on context.

Quantity Demanded

The total amount of a good or service that consumers are willing and able to purchase at a given price level in a given market at a specific time period.

Perfectly Inelastic

A situation where the quantity demanded or supplied does not change in response to a change in price.

Demand Curve

A graphical representation showing the relationship between the price of a good and the quantity of that good consumers are willing and able to purchase at various prices.