HESI LPN
Medical Surgical Assignment Exam HESI Quizlet
1. Based on the interpretation of this strip, what action should be implemented first?
- A. Call a code.
- B. Start CPR.
- C. Administer IV fluids.
- D. Apply oxygen.
Correct answer: A
Rationale: The correct answer is A: 'Call a code.' In the context of ventricular fibrillation (V-Fib), immediate defibrillation is crucial. Calling a code is the first step to activating the emergency response team, including individuals trained to provide defibrillation. Starting CPR (Choice B) may be necessary but should follow defibrillation. Administering IV fluids (Choice C) and applying oxygen (Choice D) are important interventions in cardiac arrest cases, but in V-Fib, the priority is defibrillation to restore normal heart rhythm.
2. An older adult woman with a long history of COPD is admitted with progressive shortness of breath and a persistent cough, is anxious, and is complaining of dry mouth. Which intervention should the nurse implement?
- A. Administer a prescribed sedative
- B. Encourage client to drink water
- C. Apply a high flow venturi mask
- D. Assist her to an upright position
Correct answer: D
Rationale: Assisting the client to an upright position is the most appropriate intervention in this situation. Placing the client upright helps improve lung expansion by reducing diaphragmatic pressure, facilitating better air exchange, and increasing oxygenation. This position also aids in easing breathing efforts. Administering a sedative (Choice A) may further depress the respiratory system, worsening the breathing problem. Encouraging the client to drink water (Choice B) may not directly address the respiratory distress caused by COPD. Applying a high flow venturi mask (Choice C) may be beneficial in some cases but assisting the client to an upright position should be the priority to optimize respiratory function.
3. A client who is experiencing respiratory distress is admitted with respiratory acidosis. Which pathophysiological process supports the client’s respiratory acidosis?
- A. Low oxygen levels are present in the blood.
- B. High levels of carbon dioxide have accumulated in the blood.
- C. Increased bicarbonate levels are causing alkalosis.
- D. Respiratory rate is increased, causing hyperventilation.
Correct answer: B
Rationale: High levels of carbon dioxide in the blood lead to respiratory acidosis due to inadequate ventilation. The correct answer is B. In respiratory acidosis, the accumulation of carbon dioxide in the blood occurs due to inadequate exhalation, leading to acidosis. Choice A is incorrect as low oxygen levels are related to hypoxemia, not respiratory acidosis. Choice C is incorrect as increased bicarbonate levels would lead to alkalosis, not acidosis. Choice D is incorrect as an increased respiratory rate causing hyperventilation would actually help decrease carbon dioxide levels, not lead to respiratory acidosis.
4. Which intervention should the nurse include in the plan of care for a client who has a chest tube due to hemothorax?
- A. Keep the arm and shoulder of the affected side immobile at all times.
- B. Encourage the client to breathe deeply and cough at frequent intervals.
- C. Maintain the pleura vac slightly above the chest level.
- D. Ensure there is no fluctuation in the water seal.
Correct answer: B
Rationale: Encouraging deep breathing and coughing is vital for a client with a chest tube due to hemothorax as it helps prevent atelectasis and promotes lung expansion. Keeping the arm and shoulder immobile (Choice A) is not necessary for chest tube management. Maintaining the pleura vac slightly above the chest level (Choice C) is incorrect as the pleura vac should be kept below the chest level to facilitate drainage. Ensuring no fluctuation in the water seal (Choice D) is important, but it is not the priority intervention when compared to promoting lung expansion through deep breathing and coughing.
5. An adult client who received partial-thickness and full-thickness burns over 40% of the body in a house fire is admitted to the inpatient burn unit.
- A. Normal Saline
- B. Lactated Ringer’s
- C. 5% Dextrose in water
- D. 0.45% Sodium Chloride
Correct answer: B
Rationale: In burn patients, Lactated Ringer's solution is preferred over other options as it helps in restoring fluid and electrolyte balance effectively. Lactated Ringer's contains electrolytes (sodium, potassium, calcium) that closely mimic the body's natural composition, making it a suitable choice for fluid resuscitation in burn injuries. Normal Saline (Choice A) lacks electrolytes like potassium and calcium, which are essential in burn management. 5% Dextrose in water (Choice C) is a hypotonic solution and is not the ideal choice for fluid resuscitation in burn patients. 0.45% Sodium Chloride (Choice D) is a hypotonic solution mainly used for conditions requiring free water replacement rather than volume expansion needed in burn injuries.
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