Which of the following is a diagnostic lab test for a client with pancreatitis?
Complete blood count (CBC)
AST/ALT
Blood glucose
Amylase and lipase levels
The Correct Answer is D
Rationale:
A. A CBC may show leukocytosis but is not diagnostic for pancreatitis.
B. AST/ALT may be elevated if biliary obstruction is present, but they are not specific for pancreatitis.
C. Blood glucose may rise in pancreatitis due to impaired insulin release, but it is not diagnostic.
D. Amylase and lipase levels are the primary diagnostic lab tests for acute pancreatitis, with lipase being more specific and remaining elevated longer.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Rationale:
A. High fat content does not directly cause refeeding syndrome; fat is less likely to trigger the electrolyte shifts seen in this condition.
B. Rapid reintroduction of carbohydrates in malnourished patients stimulates insulin release, which drives phosphate, potassium, and magnesium into cells, leading to potentially life-threatening electrolyte imbalances—the hallmark of refeeding syndrome.
C. Excess protein intake can strain kidney function but is not the primary cause of refeeding syndrome.
D. Vitamin deficiencies, such as thiamine, can worsen complications, but the immediate trigger is the rapid carbohydrate load.
Correct Answer is C
Explanation
Rationale:
A. Extreme thirst is associated with hypernatremia, not hypokalemia.
B. Hypokalemia typically causes hyporeflexia, not hyperactive reflexes.
C. Weak, irregular pulse is expected with hypokalemia because low potassium affects cardiac conduction and muscle contractility, increasing the risk of dysrhythmias.
D. Hypokalemia usually causes hypoactive bowel sounds due to decreased smooth muscle activity.
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