A Public Health Microbiologist Plans to Screen a Particular Bacterial

question 46

Multiple Choice

A public health microbiologist plans to screen a particular bacterial species that was isolated from several patients in an intensive care unit to detect if any of the cells are penicillin-resistant mutants.What is the first step in conducting this experiment?

• A)Determine whether or not wild type cells of the same bacterial species are susceptible to penicillin.
• B)Test the cells to see if they can grow on media to which penicillin has been added.
• C)Perform an antibiotic susceptibility test on the cells using antibiotics other than penicillin that are known to be effective.
• D)Set up an Ames test to see if any of the isolates are mutagenic.

---

Definitions:

Reverse Auctions

A type of auction where the roles of buyer and seller are reversed, with the buyer seeking to purchase goods or services and suppliers submitting decreasingly lower bids.

Prices

The sum of money anticipated, needed, or paid in exchange for something.

Acquire Goods

The process of obtaining products or commodities through purchase, trade, or other means.

Services

Useful functions, acts, or performances provided by one party to another, often in exchange for payment.