The First Laboratory Value Indication That Vitamin B₁₂ therapy Is

question 12

Multiple Choice

The first laboratory value indication that vitamin B₁₂ therapy is adequately treating pernicious anemia is:

• A)Hematocrit levels start to rise.
• B)Hemoglobin levels return to normal.
• C)Reticulocyte count begins to rise.
• D)Vitamin B₁₂ levels return to normal.

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Definitions:

Sample Variance

A measurement of the spread between numbers in a data sample, calculated by taking the mean of the squared deviations from the sample mean.

Squared Deviations

The squared differences between each observation and the mean, used in the calculation of variance.

Deviations Squared

The squares of the differences between individual data points and the mean of those points, used in calculating variance.

Mean

A statistical measure that demonstrates the central or typical value in a set of numbers, calculated by dividing the sum of all values by the number of values.