By Knowing About Variations in Infants' Blood Count,nurses Can Explain

question 25

Multiple Choice

By knowing about variations in infants' blood count,nurses can explain to their clients that:

• A)A somewhat lower than expected red blood cell count could be the result of delay in clamping the umbilical cord.
• B)The early high white blood cell (WBC) count is normal at birth and should decrease rapidly.
• C)Platelet counts are higher than in adults for a few months.
• D)Even a modest vitamin K deficiency means a problem with the ability of the blood to clot properly.

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Definitions:

Degrees of Freedom

The number of independent values or quantities that can vary in an analysis without violating any constraints.

Mean

The arithmetic average of a set of values, calculated by summing up all the values and then dividing by the number of values.

F Distribution

A probability distribution that arises in the analysis of variances for comparing sample variances or testing the hypothesis of equal variances, used primarily in ANOVA.

Degrees of Freedom

The number of independent values or quantities which can be assigned to a statistical distribution or equation, typically affecting the shape of the distribution.