Nokea
What is the purpose of sodium polystyrene sulfonate in acute renal failure?
- A. Lower blood pressure.
- B. Reduce serum potassium.
- C. Increase urine output.
- D. Correct acidosis.
Correct Answer: B
Rationale: Sodium polystyrene sulfonate removes potassium from the body, treating hyperkalemia.
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What is the nurse's priority for a client with an altered level of consciousness?
- A. Assess airway.
- B. Check reflexes.
- C. Monitor urine output.
- D. Perform a pain assessment.
Correct Answer: A
Rationale: Assessing the airway is the priority to ensure adequate oxygenation in a client with altered consciousness.
When performing postural drainage, which of the following factors promotes the movement of secretions from the lower to the upper respiratory tract?
- A. Friction between the cilia.
- B. E. Force of gravity.
- C. Sweeping motion of cilia.
- D. Involuntary muscle contractions.
Correct Answer: B
Rationale: The force of gravity in postural drainage positions the body to allow secretions to drain from lower to upper airways. Cilia and muscle contractions aid clearance but are not the primary mechanism.
A client has undergone an amputation of several toes and a femoral-popliteal bypass. The nurse should teach the client that after surgery which of the following leg positions is contraindicated for her while sitting in a chair?
- A. Crossing the legs
- B. Elevating the legs
- C. Flexing the ankles
- D. Extending the knees
Correct Answer: A
Rationale: Crossing the legs is contraindicated post-femoral-popliteal bypass and toe amputation, as it compresses blood vessels, impairing circulation and increasing the risk of graft occlusion or ischemia. Elevating legs, flexing ankles, and extending knees are generally acceptable unless otherwise specified.
After treatment with radioactive iodine (RAI) in the form of sodium iodide 131I, the nurse teaches the client to:
- A. Monitor for signs and symptoms of hyperthyroidism.
- B. Rest for 1 week to prevent complications of the medication.
- C. Take thyroxine replacement for the remainder of the client's life.
- D. Assess for hypertension and tachycardia resulting from altered thyroid activity.
Correct Answer: C
Rationale: RAI often destroys enough thyroid tissue to cause hypothyroidism, requiring lifelong thyroxine replacement. Monitoring for hyperthyroidism is unnecessary post-treatment, and rest or assessing for hypertension/tachycardia are not primary concerns.
After surgery for head and neck cancer, a client has a permanent tracheostomy. The nurse should teach the client and family about the importance of:
- A. Providing tracheostomy site care.
- B. Addressing the psychosocial issues related to tracheostomy.
- C. Observing for early signs and symptoms of skin breakdown around the tracheostomy site.
- D. Using humidifiers to prevent thick, tenacious secretions.
Correct Answer: A,C,D
Rationale: Tracheostomy site care (A), monitoring for skin breakdown (C), and using humidifiers (D) are critical to prevent infection, maintain skin integrity, and keep secretions manageable.