Urinary Elimination NCLEX RN Questions Related

The nurse understands that which of the following are complications of acute tubular necrosis (ATN)? Select all that apply.

• A. Metabolic acidosis
• B. High thyroxine levels
• C. Hyponatremia
• D. Decreased parathyroid levels
• E. Electrolyte imbalances

A newly hired nurse is caring for a client who is receiving prescribed total parenteral nutrition (TPN) therapy. The nurse preceptor should intervene if the newly hired nurse?

• A. wears a surgical mask while changing the client's central vascular access dressing.
• B. obtains the client's capillary blood glucose every four to six hours.
• C. spikes and primes a new bag of TPN without an inline filter.
• D. continues the infusion via an infusion pump while the client is receiving a computed tomography scan.

The following scenario applies to the next 6 items.
The nurse in the emergency department (ED) is caring for a 57-year-old male client.
Item 3 of 6
History and Physical
A 57-year-old male client with stage three small cell lung cancer. The client had suddenly become disoriented and did not recognize his family members and relatives. He reports severe lower extremity weakness and has had three episodes of diarrhea in the past four hours. The client is undergoing 6 cycles of chemotherapy with cisplatin and etoposide. He is currently taking a 14-day course of 15 mg of prednisone. He is on his third day of steroid treatment. He has a medical history of dyslipidemia and advanced chronic obstructive pulmonary disease.

Nurses' Notes
0759: Client is completely disoriented and required maximum assistance to the stretcher because of unsteady gait. Lung sounds clear bilaterally. Alopecia noted. Skin is warm and dry and normal for ethnicity. Peripheral pulses 2+. No skin tenting. Hyperactive bowel sounds in all quadrants. 20-gauge peripheral vascular access device placed in the left antecubital space. T 97.8° F (36.6° C) P 88 RR 21 BP 123/68 Pulse oximetry reading 91% on room air.

Laboratory Results
• Hemoglobin 14 g/dL [14-18 g/dL (140–180 g/L)]
• Hematocrit 42% (0.42) [42-52% (0.42-0.52)]
• White Blood Cell 11,000 mm3 [5-10 mm3]
• Platelet Count 140,000 mm3 [150-400 mm3 (150–400 × 109/L)]
• Glucose 139 mg/dL (7.72 mmol/L) [70–110 mg/dL (4-6 mmol/L)]
• Sodium 116 mEq/L [136–145 mEq/L (mmol/L)]
• Potassium 3.3 mEq/L [3.5–5.0 mEq/L (mmol/L)]
• Creatinine 0.7 mg/dL (61.88 mmol/L) [0.6–1.2 mg/dL (53–106 mmol/L)]
• Blood Urea Nitrogen 8 mg/dL (2.86 mmol/L) [10–20 mg/dL (3.6–7.1 mmol/L)]
• Serum Osmolality 277 mOsm/kg [285-295 mOsm/kg (285–295 mmol/kg)]

The client is demonstrating manifestations consistent with......... due to.......

• A. Cushing's syndrome
• B. diabetes insipidus
• C. syndrome of inappropriate antidiuretic hormone
• D. advanced chronic obstructive pulmonary disease.
• E. small cell lung cancer.
• F. corticosteroid usage.

The nurse in the emergency department (ED) is caring for a 57-year-old male client.
Item 6 of 6
History and Physical

A 57-year-old male client with stage three small cell lung cancer. The client had suddenly become disoriented and did not recognize his family members and relatives. He reports severe lower extremity weakness and has had three episodes of diarrhea in the past four hours. The client is undergoing 6 cycles of chemotherapy with cisplatin and etoposide. He is currently taking a 14-day course of 15 mg of prednisone. He is on his third day of steroid treatment. He has a medical history of dyslipidemia and advanced chronic obstructive pulmonary disease.

Laboratory Results
• Hemoglobin 14 g/dL [14-18 g/dL (140–180 g/L)]
• Hematocrit 42% (0.42) [42-52% (0.42-0.52)]
• White Blood Cell 11,000 mm3 [5-10 mm3]
• Platelet Count 140,000 mm3 [150-400 mm3 (150–400 × 109/L)]
• Glucose 139 mg/dL (7.72 mmol/L) [70–110 mg/dL (4-6 mmol/L)]
• Sodium 116 mEq/L [136–145 mEq/L (mmol/L)]
• Potassium 3.3 mEq/L [3.5–5.0 mEq/L (mmol/L)]
• Creatinine 0.7 mg/dL (61.88 mmol/L) [0.6–1.2 mg/dL (53–106 mmol/L)]
• Blood Urea Nitrogen 8 mg/dL (2.86 mmol/L) [10–20 mg/dL (3.6–7.1 mmol/L)]
• Serum Osmolality 277 mOsm/kg [285-295 mOsm/kg (285–295 mmol/kg)]

Nurses' Notes
0759: Client is completely disoriented and required maximum assistance to the stretcher because of unsteady gait. Lung sounds clear bilaterally. Alopecia noted. Skin is warm and dry and normal for ethnicity. Peripheral pulses 2+. No skin tenting. Hyperactive bowel sounds in all quadrants. 20-gauge peripheral vascular access device placed in the left antecubital space. T 97.8° F (36.6° C) P 88 RR 21 BP 123/68 Pulse oximetry reading 91% on room air.
0850: Verbal order was received from physician to insert indwelling urethral catheter.
0910: Urinary catheter inserted with sterile technique. 40 mL of dark yellow urine returned.

Orders
• admit to intensive care unit
• nephrology consultation
• oncology consultation
• fluid restriction - 1 liter daily
• daily weight
• strict intake and output
• 250 mL of 3% saline at 75 mL/hr
• tolvaptan 15 mg PO daily - first dose now
• neurological assessments every two hours

The nurse transfers the client to the intensive care unit for further management. Eight hours later, the nurse in the ICU reassesses the client and determines which findings indicate that the treatment is effective. Select all that apply.

• A. pulse 105
• B. serum sodium 132 mEq/L
• C. Glasgow Coma Scale (GCS) score of 15
• D. orientation to person, situation, place, and time
• E. decreased lower extremity weakness

The nurse is assessing a client's electrocardiogram (ECG) monitoring and notices U-waves. Which electrolyte abnormality may cause this finding?

• A. Hyperkalemia
• B. Hypokalemia
• C. Hypernatremia
• D. Hyponatremia