The Normal Range for a White Blood Cell Count Is $3$

question 109

Multiple Choice

The normal range for a white blood cell count is 2,000 cells/?l to 18,000 cells/?l. Write these numbers in scientific notation.

• A) 2 × 10 \(3\) cells/?l to 1.8 × 10 \(5\) cells/?l
• B) 2 × 1 \(3\) 0 \(4\) cells/?l to 1.8 × 10 \(4\) cells/?l
• C) 2 × 10 \(5\) cells/?l to 1.8 × 10 \(3\) cells/?l
• D) 2 × 10 \(3\) cells/?l to 1.8 × 10 \(4\) cells/?l
• E) 2 × 10 \(4\) cells/?l to 1.8 × 10 \(3\) cells/?l

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Definitions:

Topical Application

The method of applying medication or substances directly to a specific area of the skin or mucous membrane.

Patch

A small application designed to update or fix problems with a software program or an operating system.

Ointment

A form of topical drug; also known as a salve.

Salve

A medicinal ointment used to soothe the skin or heal wounds.