The Following Hemoglobin Results, Reported in G/dL, Are Obtained on a Hospitalized

question 3

Multiple Choice

The following hemoglobin results, reported in g/dL, are obtained on a hospitalized patient on 3 consecutive days:

The SD for this hemoglobin method was calculated in Question 18. A delta check was obtained on day 2. Controls were run as appropriate each day and were all within limits for this procedure.
What is the most probable reason for the day 2 result when compared with those for days 1 and 3?

• A) It is within the 95.5% confidence levels for this test.
• B) It may represent an error in patient identification.
• C) The patient had a major blood loss between days 1 and 2.
• D) It is within the 99% confidence levels for this test.

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Definitions:

Equipment Account

An account on the balance sheet that represents the total cost of machinery and equipment owned by a company, less accumulated depreciation.

Accumulated Depreciation

The total amount of depreciation expense that has been recorded against a fixed asset since it was acquired, representing the reduction in value of the asset over time.

Book Value

The net value of an asset or liability recorded on the balance sheet, often different than its fair market value.

Building Account

An account used to track the costs associated with the construction or improvement of a building until the project is completed and the asset is ready for use.