Table 71
a Disk- Diffusion Test Using Staphylococcus Gave the Following

question 44

Multiple Choice

Table 7.1
A disk- diffusion test using Staphylococcus gave the following results: $\begin{array}{cc} \underline{\text { Disinfectant }}& \underline{\text { Zone of inhibition (mm) }}\\\text { A } & 0 \\\text { B } & 2.5 \\\text { C } & 10 \\\text { D } & 5\end{array}$
-In Table 7.1, which compound was the most effective against Staphylococcus?

• A) A
• B) B
• C) C
• D) D
• E) Can't tell

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Definitions:

Shell Oil

A major global group of energy and petrochemical companies known for exploring for and extracting crude oil and natural gas.

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The lowest price at which a seller is willing to sell a security or commodity.

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Occurring twice a year; a term often used in finance to describe payments or interest calculations that happen twice within a year.

Coupon Bond

A type of bond that pays the holder interest at fixed intervals through coupons.