A client is having a blood urea nitrogen (BUN) test. BUN level is:
Select one:
decreased in renal disease and urinary obstruction.
unchanged in renal disease
increased in renal disease and urinary obstruction.
decreased in nephrotic syndrome
The Correct Answer is C
A. BUN typically increases, not decreases, in these conditions.
B. BUN levels usually rise in renal disease due to reduced kidney function and accumulation of nitrogenous waste.
C. Impaired kidney function and urinary obstruction decrease the excretion of urea, leading to elevated BUN levels in the blood.
D. While serum protein may be low in nephrotic syndrome, BUN is not typically decreased and may even be elevated if renal function is compromised.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. This is a professional nursing responsibility requiring clinical judgment and cannot be delegated to UAP.
B. This is within the UAP’s scope of practice and can be safely delegated, especially under supervision.
C. Pain assessment requires nursing judgment and should be done by licensed nursing staff.
D. Medication administration is a licensed nursing function and cannot be delegated to UAP.
Correct Answer is B
Explanation
A. Adolescents and teens generally have more stable liver and kidney function, so they are less likely to have complications from preanesthetic drugs.
B. Older adults are at higher risk due to age-related changes in liver and kidney function, which slow the metabolism and excretion of medications. They are also more likely to have comorbidities and may take multiple medications that can interact with anesthesia.
C. Obese patients do face some risk due to altered drug distribution and respiratory issues, but not as high as older adults regarding drug metabolism and sensitivity.
D. Infants are vulnerable too, especially neonates, due to immature liver and renal systems, but older adults still generally face greater risk from preanesthetic drugs due to accumulated comorbidities and physiological decline.
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