A nurse is caring for a client who has cancer and is receiving total parenteral nutrition (TPN). Which of the following lab values indicates the treatment is effective?
Albumin 4.2 g/dL
Calcium 9.4 mg/dL
Hct 43%
WBC 8,000/uL
The Correct Answer is A
A. Albumin is a protein that is produced by the liver and is a good indicator of nutritional status. TPN is intended to provide adequate nutrition to the patient, so an increase in albumin levels would indicate that the treatment is effective.
B. Calcium levels are not directly related to the effectiveness of TPN. Calcium levels can be affected by a variety of factors and are not a specific marker for the effectiveness of TPN.
C. Hematocrit (Hct) measures the percentage of red blood cells in the blood. It is not directly related to the effectiveness of TPN.
D. White blood cell count (WBC) is a marker of immune function and is not directly related to the effectiveness of TPN.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. A family history of urolithiasis is a risk factor for developing the condition. Genetic factors can influence the risk of developing kidney stones.
B. Diuretic use can increase the risk of kidney stone formation by increasing the concentration of certain substances in the urine that can lead to stone formation.
C. A body mass index (BMI) less than 25 is not typically considered a risk factor for urolithiasis. Obesity, however, can be a risk factor for certain types of kidney stones.
D. Hypocalcemia (low calcium levels) can increase the risk of certain types of kidney stones, particularly those composed of calcium oxalate or calcium phosphate. However, hypocalcemia is not a common risk factor for urolithiasis.
Correct Answer is C
Explanation
A. A WBC count of 5,000/mm3 is within the normal range (4,000-11,000/mm3) and is not a priority value to monitor in a client with HIV.
B. A platelet count of 150,000/mm3 is within the normal range (150,000-400,000/mm3) and is not a priority value to monitor in a client with HIV.
C. The CD4-T-cell count is a key indicator of the immune system's function in clients with HIV. A CD4-T-cell count of 180 cells/mm3 is significantly below the normal range (500-1,500 cells/mm3) and indicates a weakened immune system, which is a priority concern in clients with HIV.
D. A positive Western blot test confirms the diagnosis of HIV, but it does not provide information about the severity of the client's condition or their immune system function.
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