A nurse is caring for a client who is receiving positive end-expiratory pressure (PEEP) via mechanical ventilation. The nurse should monitor the client for which of the following adverse effects of PEEP?
Hypoxemia
Tension pneumothorax.
Malignant hypertension
Atelectasis
The Correct Answer is B
A. Hypoxemia is a condition of low oxygen levels in the blood. PEEP can actually improve oxygenation by preventing alveolar collapse and increasing functional residual capacity.
B. Tension pneumothorax is a life-threatening condition of air accumulation in the pleural space that causes increased intrathoracic pressure and compresses the lungs, heart, and great vessels. PEEP can increase the risk of tension pneumothorax by creating excessive positive pressure in the airways and alveoli.
C. Malignant hypertension is a severe form of high blood pressure that can cause organ damage and stroke. PEEP can cause a transient increase in blood pressure due to increased intrathoracic pressure, but it does not cause malignant hypertension.
D. Atelectasis is a condition of partial or complete lung collapse due to alveolar collapse or obstruction. PEEP can prevent or treat atelectasis by maintaining positive pressure in the airways and alveoli.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["A","B","C","D"]
Explanation
- A: Correct. Firmly massaging the uterine fundus helps to contract the uterus and reduce bleeding.
- B: Correct. Providing emotional support helps to calm the client and reduce anxiety, which can worsen bleeding.
- C: Correct. Administering oxygen helps to improve tissue perfusion and oxygenation, which can be compromised by blood loss. Weighing the perineal pads helps to quantify the amount of blood loss and monitor for hemorrhage.
- D: Correct. Inserting an indwelling urinary catheter helps to empty the bladder and allow the uterus to descend and contract more effectively. Administering methylergonovine helps to stimulate uterine contractions and control bleeding.
- E: Incorrect. Administering terbutaline is contraindicated in this situation, as it relaxes the uterine smooth muscle and increases bleeding.
Correct Answer is C
Explanation
Respiratory acidosis.
Rationale:
- A. Incorrect. The client does not have respiratory alkalosis because respiratory alkalosis is characterized by a low PaCO2 (less than 35 mm Hg) and a high pH (greater than 7.45).
- B. Incorrect. The client does not have metabolic alkalosis because metabolic alkalosis is characterized by a high HCO3 (greater than 26 mEq/L) and a high pH (greater than 7.45). - C. Correct. The client has respiratory acidosis because respiratory acidosis is characterized by a high PaCO2 (greater than 45 mm Hg) and a low pH (less than 7.35).
- D. Incorrect. The client does not have metabolic acidosis because metabolic acidosis is characterized by a low HCO3 (less than 22 mEq/L) and a low pH (less than 7.35).
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