Which of the following anticholinergics does the nurse recognize as appropriate for a patient diagnosed with urinary bladder urgency and incontinence?
- A. Dicyclomine
- B. Ipratropium
- C. Oxybutynin
- D. Scopolamine
Correct Answer: C
Rationale: Oxybutynin is an anticholinergic specifically used to treat urinary bladder urgency and incontinence by relaxing bladder muscles. Dicyclomine (A) is used for gastrointestinal issues, Ipratropium (B) for respiratory conditions, and Scopolamine (D) for motion sickness.
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The nurse in the emergency department (ED) is caring for a 57-year-old male client.
Item 4 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.
The physician diagnoses the client with syndrome of inappropriate antidiuretic hormone. The nurse updates the nurses' notes. For each potential order, click to specify whether the potential order is indicated or not indicated for the client.
- A. thiazide diuretic
- B. continuous cardiac monitoring
- C. seizure precautions
- D. intravenous hypotonic fluids
- E. urology consultation
- F. desmopressin {DDAVP}
Correct Answer: A: Not indicated, B: Indicated, C: Indicated, D: Not indicated, E: Not indicated, F: Not indicated
Rationale: Thiazide diuretics, hypotonic fluids, and desmopressin worsen SIADH. Cardiac monitoring and seizure precautions are indicated due to hyponatremia risks.
The nurse receives a prescription for sevelamer. The nurse plans on administering this medication
- A. with the client's meals.
- B. immediately before hemodialysis.
- C. with a prescribed proton pump inhibitor (PPI).
- D. right before the client goes to bed.
Correct Answer: A
Rationale: Sevelamer, a phosphate binder, is administered with meals to bind dietary phosphate in the gastrointestinal tract, reducing serum phosphorus levels. Administering before hemodialysis (B), with a PPI (C), or at bedtime (D) is not the standard protocol.
The nurse cares for a client with a potassium of 3.2 mEq/L (mmol/L) [3.5-5 mEq/L, mmol/L]. Which of the following medications may cause this abnormality?
- A. spironolactone
- B. triamterene
- C. prednisone
- D. lisinopril
Correct Answer: B
Rationale: Triamterene is a potassium-sparing diuretic that can cause hypokalemia by reducing potassium excretion. Spironolactone (A) also spares potassium but is less likely to cause hypokalemia. Prednisone (C) primarily affects glucose and sodium, not potassium. Lisinopril (D) may cause hyperkalemia, not hypokalemia.
The nurse performs a physical assessment on a client and observes the client demonstrate palmar flexion while obtaining the blood pressure. The nurse should take which action?
- A. Obtain the blood pressure on the client's calf
- B. Request an order for a magnesium level
- C. Assess the client's orthostatic blood pressure
- D. Obtain capillary blood glucose (CBG)
Correct Answer: B
Rationale: Palmar flexion (Trousseau's sign) suggests hypocalcemia or hypomagnesemia, warranting a magnesium level check.
The nurse is caring for a client with a phosphorus level of 5.3 mg/dL (1.71 mmol/L) [normal range: 3.0-4.5 mg/dL (0.97-1.45 mmol/L)]. The nurse identifies which of the following as possible causes of this condition? Select all that apply.
- A. tumor lysis syndrome
- B. hypoparathyroidism
- C. hypercalcemia
- D. renal failure
- E. anorexia
Correct Answer: A,B,D
Rationale: Tumor lysis syndrome, hypoparathyroidism, and renal failure cause hyperphosphatemia by increasing phosphate release or reducing excretion.
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