Chemistry or biochemistry basics · practice question

A 68-year-old client on a medical-surgical unit is being evaluated for nursing care related to buffers and bicarbonate. The nurse reviews this trend: hemoglobin decreasing from 12.1 to 8.4 g/dL with fatigue. Which interpretation and action are most appropriate?

Multiple choiceEasynclex-rn-bsnnclex-validatednclex-2026chemistry-biochemistry

Treat a single value without comparing it with baseline, symptoms, or benchmarks.Wait for a critical value or sentinel event before taking any nursing action.Interpret the trend in context, compare it with baseline or benchmarks, and take the safest indicated action.Ignore the trend because one data point can be explained later.

Answer and explanation

Correct answer

C. Interpret the trend in context, compare it with baseline or benchmarks, and take the safest indicated action.

Why

Trend questions require comparison with baseline, symptoms, risk, and benchmarks. Safe nursing action begins before a preventable event becomes critical.

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A 68-year-old client on a medical-surgical unit is being evaluated for nursing care related to buffers and bicarbonate. The nurse reviews this trend: hemoglobin decreasing from 12.1 to 8.4 g/dL with fatigue. Which interpretation and action are most appropriate?

Correct answer

Why

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