A client has been admitted with acute liver failure. Which assessment findings are most important concerning?
Jaundiced sclera and skin.
Elevated total bilirubin level.
Asterixis and lethargy.
Liver 3 cm below costal margin.
The Correct Answer is C
Rationale:
A. Jaundice is caused by the accumulation of bilirubin in the blood due to impaired liver function. While it is an important clinical sign of liver dysfunction, jaundice develops gradually and is not an immediate life-threatening complication. It serves more as an indicator of underlying liver disease rather than an urgent signal requiring immediate intervention.
B. Laboratory evidence of elevated bilirubin confirms liver dysfunction but does not provide real-time information about the client’s neurological or hemodynamic status. Lab values are important for diagnosis and monitoring but are less urgent than clinical manifestations of complications such as hepatic encephalopathy.
C. Asterixis, also known as “flapping tremor,” combined with lethargy, is a hallmark sign of hepatic encephalopathy, a serious and potentially life-threatening complication of acute liver failure. These symptoms indicate that neurotoxins, especially ammonia, are accumulating in the brain due to the liver’s inability to metabolize them. Hepatic encephalopathy can rapidly progress from mild confusion to stupor or coma. Early recognition allows timely interventions, such as administering lactulose to reduce ammonia levels, monitoring neurological status, and preparing for possible intensive care support. These findings take priority over laboratory or physical exam findings that are not immediately dangerous.
D. Mild hepatomegaly is common in acute liver failure and may indicate inflammation or congestion. While it is relevant for assessment, it is not an urgent concern compared with neurological changes like asterixis and lethargy.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Rationale:
A. Pruritus (itching) is a common symptom in viral hepatitis due to bile salt accumulation in the skin resulting from impaired liver function. Itching often worsens at night and can significantly affect comfort. This is an expected finding.
B. Joint pain or arthralgia can occur in viral hepatitis, particularly in hepatitis B and C, due to immune-mediated inflammatory responses. This symptom is consistent with viral infection and liver inflammation.
C. Clients with viral hepatitis may experience anorexia or decreased appetite, but polyphagia (excessive hunger) is not typically associated with viral hepatitis. However, metabolic changes may sometimes alter appetite in early or resolving stages. This is less common but not the most unrelated finding.
D. Skin abrasions are not a direct manifestation of viral hepatitis. They may occur incidentally from trauma or other conditions but are unrelated to liver infection or its typical clinical features. This makes skin abrasions the finding not expected in viral hepatitis.
Correct Answer is B
Explanation
Rationale:
A. Lactulose can cause loose stools, but diarrhea is not the desired therapeutic outcome. Excessive diarrhea can lead to dehydration, electrolyte imbalances, and worsening confusion, which are adverse effects rather than expected responses.
B. Lactulose is used to reduce serum ammonia levels in clients with hepatic encephalopathy by promoting excretion of ammonia through the stool. The expected therapeutic outcome is regular, soft bowel movements, typically two to five per day, without causing excessive diarrhea. This indicates that ammonia is being cleared effectively, reducing neurotoxic effects.
C. Improvement in mental status is the ultimate goal of lactulose therapy, but it may take several doses to achieve. Immediate changes in speech are not expected and do not solely indicate treatment effectiveness.
D. Fetor hepaticus (a characteristic musty breath odor) and asterixis (flapping tremor of the hands) are signs of worsening hepatic encephalopathy. Their appearance would indicate treatment failure or progression of disease, not a positive response.
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