The nurse reviews a client's laboratory results for a client admitted with gastrointestinal (GI) bleeding who has no visible hemorrhoids on inspection of the anal area. Which laboratory test indicates that the client's bleeding is not yet resolved?
Reference Range:
Hematocrit (Hct) [42% to 52% (0.42 to 0.52 volume fraction)]
Prothrombin time (PT) [11.0 to 12.5 seconds (85%-100%)] Glycosylated hemoglobin (A1C) [4% to 5.9%]
Hematocrit changes from 36% to 32%.
Hemoglobin A1C changes from 10% to 8%.
Prothrombin time (PT) changes from 12 seconds to 18 seconds.
Guaiac test changes from positive to negative.
The Correct Answer is A
A. A decrease in hematocrit from 36% to 32% suggests ongoing blood loss and that the client’s GI bleeding has not yet resolved. Hematocrit is a key indicator of the client’s blood volume and oxygen- carrying capacity.
B. Hemoglobin A1C reflects long-term blood sugar control, not current blood loss. A change in A1C is not indicative of GI bleeding resolution.
C. An increase in prothrombin time (PT) from 12 to 18 seconds indicates clotting abnormalities, which may occur with liver dysfunction or anticoagulant therapy, but it doesn't directly relate to GI bleeding resolution.
D. A positive to negative change in the guaiac test (fecal occult blood test) would indicate that the blood in the stool is no longer present, suggesting resolution of bleeding, which doesn’t match the question’s context.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. If the apical impulse is more vigorous than expected, it may indicate an abnormal finding, such as hyperdynamic circulation or heart failure. The nurse should not simply record this without further investigation.
B. It is important to investigate whether the client has a history of heart disease, as conditions like left ventricular hypertrophy, heart failure, or valvular heart disease could cause changes in the apical impulse. This provides context for understanding the findings.
C. Obtaining the client’s blood pressure is important in assessing cardiovascular health, but the most immediate response to a more vigorous apical impulse would be to explore the potential cause, including heart disease, rather than simply measuring blood pressure.
D. Comparing the apical pulse to the carotid pulse may help assess if the increased pulse force is generalized or localized, and whether it might be a sign of circulatory changes. This would help clarify whether the finding is normal or indicative of pathology.
Correct Answer is D
Explanation
A. This is not applicable in this case. A BMI of 14 kg/m² indicates severe malnutrition, not excess nutrition. The client is at risk for nutritional deficiencies, not an excess of nutrition.
B. While fluid volume might be a concern in severely malnourished clients, the primary issue in this scenario is related to nutrition rather than fluid imbalance. A low BMI suggests insufficient caloric intake.
C. Excess fluid volume is not typically associated with a low BMI. In fact, clients with a BMI this low may show signs of dehydration or fluid loss due to inadequate nutritional intake.
D. This is the most appropriate nursing diagnosis. A BMI of 14 kg/m² is indicative of severe malnutrition and the client is not meeting their nutritional needs, which could lead to further health complications.
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