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
Explanation
Irritability.
The rationale for each choice is as follows:
- A. Irritability: Correct. Irritability is one of the signs of hypoglycemia, which occurs when blood glucose levels fall below 70 mg/dL (3.9 mmol/L). Other signs include shakiness, sweating, hunger, headache, confusion, and blurred vision.
- B. Increased urination: Incorrect. Increased urination is one of the signs of hyperglycemia, which occurs when blood glucose levels rise above 180 mg/dL (10 mmol/L). Other signs include thirst, dry mouth, fatigue, nausea, and fruity breath odor.
- C. Vomiting: Incorrect. Vomiting is not a specific sign of hypoglycemia or hyperglycemia, but it can occur as a complication of either condition if left untreated or poorly managed.
- D.Facial flushing: Incorrect. Facial flushing is not a sign of hypoglycemia or hyperglycemia, but it can occur as a side effect of some medications used to treat diabetes, such as niacin or rosiglitazone.
Correct Answer is B
Explanation
Choice B rationale:
Instructing the client to gently stroke her lower abdomen is the appropriate action in this situation. Gentle stroking or tapping on the lower abdomen can stimulate the bladder reflex and promote urination. This technique can help clients who have difficulty voiding, especially when using a bedpan. It encourages relaxation of the pelvic muscles, making it easier for the client to urinate.
Choice A rationale:
Turning on the faucets in the client's sink is not a recommended action for promoting urination. While the sound of running water can sometimes trigger the need to urinate, it may not be effective for every individual. Moreover, this action may not be practical or feasible in all healthcare settings.
Choice C rationale:
Instructing the client to lean slightly backward is not an appropriate action for promoting urination. Leaning backward can put pressure on the bladder, which may make it more challenging for the client to urinate. Encouraging relaxation and using techniques like gentle abdominal stroking are more effective in this situation.
Choice D rationale:
Pouring cool water over the client's perineum is not a recommended action for promoting urination. While some individuals find warm water soothing and relaxing, pouring cold water may cause discomfort and stress, making it even more difficult for the client to urinate. Gentle stimulation and relaxation techniques are generally more effective.
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