A nurse is caring for a client diagnosed with adult respiratory distress syndrome (ARDS) and being treated with positive end expiratory pressure (PEEP). How does PEEP benefit the client?
It decreases trapped oxygen in the alveoli.
It promotes independent breathing efforts.
It keeps the airways and small lung spaces open.
It facilitates weaning off the mechanical ventilator.
The Correct Answer is C
Choice A rationale
PEEP does not decrease trapped oxygen in the alveoli. Instead, it helps to increase the volume of gas remaining in the lungs at the end of expiration, which can improve oxygenation.
Choice B rationale
PEEP does not directly promote independent breathing efforts. It is a mode of mechanical ventilation used to support a patient’s breathing.
Choice C rationale
PEEP keeps the airways and small lung spaces open by increasing the pressure in the lungs at the end of expiration. This can prevent alveolar collapse and improve oxygenation in patients with conditions like ARDS23.
Choice D rationale
While PEEP can be used in the process of weaning a patient off mechanical ventilation, its primary benefit is not facilitating weaning. It is used to improve oxygenation and prevent alveolar collapse.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["A","B","E"]
Explanation
Choice A rationale
Viral pharyngitis can sometimes lead to serious complications such as peritonsillar abscess. Symptoms of this condition include drooling and inability to fully open the mouth. Therefore, patients should be advised to contact a healthcare provider immediately if they experience these symptoms.
Choice B rationale
Viral pharyngitis is contagious and can be spread through saliva. Therefore, patients should be advised to avoid sharing drinks or eating utensils with others to prevent the spread of the infection.
Choice C rationale
Antibiotics are not effective against viral infections, including viral pharyngitis. Therefore, taking prescribed antibiotics on time and not missing doses is not relevant in the context of viral pharyngitis.
Choice D rationale
Checking the body for skin rash twice daily is not typically necessary for patients with viral pharyngitis. While some viruses can cause a rash, it is not a common symptom of viral pharyngitis.
Choice E rationale
Drinking at least 2-3 liters of fluid per day unless contraindicated can help soothe a sore throat and prevent dehydration, which can occur if the patient has a fever or is not eating well due to the sore throat.
Correct Answer is D
Explanation
Choice A rationale
Reporting the absence of spontaneous respirations is important, but it is not the priority action. The patient is on mechanical ventilation, so the absence of spontaneous respirations is expected.
Choice B rationale
Encouraging the patient to attempt to breathe on their own is not the priority action. The patient is receiving mechanical ventilation, which means they are likely unable to breathe adequately on their own.
Choice C rationale
Providing passive range-of-motion exercises is important for overall patient mobility and prevention of complications such as deep vein thrombosis, but it is not the priority action in this case.
Choice D rationale
Responding to ventilator alarms is the priority action. Alarms may indicate a change in the patient’s condition or a problem with the ventilator. Immediate response is necessary to ensure the patient’s safety.
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