A nurse is assessing a client with cirrhosis and notes the presence of caput medusae. This finding is best described as:
Yellow discoloration of the skin
Swollen lymph nodes
Distended veins around the umbilicus
Dark tarry stools
The Correct Answer is C
Choice A reason: Yellow discoloration of the skin indicates jaundice, caused by elevated bilirubin due to impaired liver function in cirrhosis. It is a common finding but not caput medusae, which specifically refers to vascular changes around the umbilicus due to portal hypertension, making this incorrect.
Choice B reason: Swollen lymph nodes are not associated with caput medusae. Lymphadenopathy may occur in infections or malignancies but not as a direct result of cirrhosis. Caput medusae involves dilated veins, not lymph nodes, caused by portal hypertension shunting blood to superficial veins.
Choice C reason: Caput medusae is the presence of distended, tortuous veins around the umbilicus, resulting from portal hypertension in cirrhosis. Increased portal vein pressure forces blood into collateral veins, creating a radiating pattern resembling a jellyfish head, making this the accurate description of the finding.
Choice D reason: Dark tarry stools (melena) indicate gastrointestinal bleeding, often from esophageal varices in cirrhosis due to portal hypertension. While a serious finding, it is unrelated to caput medusae, which is a visible vascular phenomenon on the abdomen, not a gastrointestinal symptom.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A reason: Influenza increases metabolic stress, elevating blood glucose in type 1 diabetes due to stress hormones like cortisol and catecholamines, which promote gluconeogenesis. Frequent glucose monitoring ensures timely insulin adjustments, preventing hyperglycemia or diabetic ketoacidosis, critical for managing acute illness in insulin-dependent patients.
Choice B reason: Discontinuing insulin in type 1 diabetes, even during reduced food intake, is dangerous. Insulin is essential to prevent diabetic ketoacidosis, as the body continues gluconeogenesis and fat metabolism without it, leading to severe acidosis and metabolic collapse, making this instruction incorrect.
Choice C reason: Reducing food intake to diminish nausea may worsen glycemic control in type 1 diabetes. Illness increases glucose levels, requiring consistent carbohydrate intake to prevent hypoglycemia or ketosis. This approach ignores the need for balanced nutrition and insulin adjustments during illness, making it inappropriate.
Choice D reason: Taking half the insulin dose is unsafe, as illness often increases insulin requirements due to stress-induced hyperglycemia. Arbitrary dose reduction risks diabetic ketoacidosis, as insufficient insulin fails to counter gluconeogenesis and ketogenesis, making this instruction dangerous for type 1 diabetes management during influenza.
Correct Answer is C
Explanation
Choice A reason: Chloride levels are less critical in cirrhosis compared to sodium. Chloride imbalances may occur secondary to diuretic use or acid-base disturbances, but they do not directly drive major complications like ascites or edema. Monitoring is less urgent, as chloride fluctuations are typically managed indirectly through fluid and electrolyte balance.
Choice B reason: Calcium levels are not the primary concern in cirrhosis. Hypocalcemia may occur due to malnutrition or vitamin D deficiency from liver dysfunction, but it is less immediate than sodium imbalances. Calcium affects bone health and muscle function but does not directly impact acute cirrhosis complications like ascites.
Choice C reason: Sodium is critical to monitor in cirrhosis due to its role in fluid balance. Hyponatremia, common in advanced cirrhosis, results from impaired water excretion and portal hypertension, contributing to ascites and edema. Dilutional hyponatremia can worsen encephalopathy or indicate decompensation, requiring urgent management to stabilize the patient.
Choice D reason: Potassium monitoring is important, especially with diuretic use in cirrhosis, as hypokalemia or hyperkalemia can occur. However, sodium imbalances more directly influence fluid retention and ascites, making it a higher priority. Potassium affects cardiac and muscle function but is secondary to sodium in acute cirrhosis management.
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