56. The most common cause of an increase in a hemoglobin (Hgb) value is:
Test-Taking Tip
Remember that hemoglobin, hematocrit, and blood urea nitrogen will reflect the hydration status.
Content Area: Adult Health, Hematological; Integrated Process: Nursing Process, Implementation; Cognitive Level: Comprehension; Client Need/Subneed: Physiological Integrity/Reduction of Risk Potential/Laboratory Values
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Answer 1 is correct because hemoglobin responds to changes in hydration. Dehydration would result in hemoconcentration and elevated hemoglobin. Answer 2 is incorrect because infection does not influence the hemoglobin level. Answer 3 is incorrect because malnutrition would most likely cause a decrease, not an increase, in hemoglobin from inadequate iron intake. Answer 4 is incorrect because antibiotic therapy effectiveness would affect the white blood cell count, not Hgb.
