Once an Antibiotic Is Introduced to Bacteria, the Number of Bacteria

question 89

Multiple Choice

Once an antibiotic is introduced to bacteria, the number of bacteria decreases exponentially. For example, beginning with 1 million bacteria, the amount present t days from the time penicillin is introduced is given by the function

Rounding to the nearest thousand, determine how many bacteria are present after 6 days.

• A) 548,000
• B) 0
• C) 660,000
• D) 601,000

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Definitions:

Plasmodium Vivax

A species of protozoan parasite responsible for a type of malaria, characterized by recurring fevers and anemia.

Life Cycle

The series of stages through which a living organism passes from the start of its life until it reproduces.

Malaria

Disease caused by the protozoan Plasmodium vivax; transmitted by the Anopheles mosquito.

Fungi

A kingdom of organisms that includes molds, yeasts, and mushrooms, which live by decomposing and absorbing the organic material in which they grow.