The Following CBC Results Were Obtained on an Adult Female

question 27

Multiple Choice

The following CBC results were obtained on an adult female:
$\begin{array}{ll}\text { RBC } & 3.05 \times 10^{12} / \mathrm{L} &\text { WBC }&8.1 \times 10^{9} / \mathrm{L} \\\mathrm{Hb} & 6.4 \mathrm{~g} / \mathrm{dL} &\text { PLT }& 412 \times 10^{9} / \mathrm{L} \\\mathrm{Hct} & 23 \% \\\mathrm{MCV} & 75 \mathrm{fL} \\\mathrm{MCH} & 21 \mathrm{pg} \\\mathrm{MCHC} & 28 \mathrm{~g} / \mathrm{dL}\end{array}$
Which is the most appropriate action?

• A) Report the CBC results to the physician.
• B) Repeat the CBC to confirm hemoglobin.
• C) Examine peripheral blood smear for giant platelets.
• D) Perform saline replacement for plasma and rerun.

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Definitions:

Significance Level

A threshold or probability used in statistical hypothesis testing to determine whether to reject the null hypothesis, often denoted by alpha with a common value of 0.05.

Z-statistic

A statistic that measures the distance in standard deviations of a sample mean from the population mean under the null hypothesis.

Rejection Region

The set of values for which the null hypothesis is rejected in hypothesis testing.

Typing Speeds

The measure of how fast an individual can type, often expressed in words per minute (WPM), influencing productivity in many computer-related tasks.