Reference Range: 1329545.
A client receiving mechanical ventilation has a pH of 7.26, PaCO2 of 68 mm Hg, and a PaO2 of 92 mm Hg. Which intervention should the nurse implement?
Decrease expiratory flow time.
Decrease expiratory pressure.
Increase rate of ventilation.
Increase ventilator tidal volume.
The Correct Answer is B
Choice A rationale:
Decreasing expiratory flow time is not the appropriate intervention in this case. The client's pH and PaCO2 levels suggest respiratory acidosis, which indicates inadequate ventilation. Increasing expiratory flow time might exacerbate the acidosis by reducing ventilation.
Choice C rationale:
Increasing the rate of ventilation (respiratory rate) is a potential intervention to improve the client's acid-base balance. However, it should be done cautiously and under medical supervision to avoid respiratory alkalosis. It is not the first-line intervention in this scenario.
Choice D rationale:
Increasing the ventilator tidal volume may help improve ventilation, but it should also be done under medical guidance to prevent barotrauma. It is not the initial intervention to address the client's respiratory acidosis.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A rationale:
Leaving the client alone to give them space is not an appropriate intervention for a client with depression and a history of suicide attempts. Isolation can increase feelings of hopelessness and despair, potentially leading to self-harm or suicidal thoughts.
Choice B rationale:
Removing any potential means of self-harm from the client's environment is the most essential intervention in this scenario. It is crucial to ensure the client's safety by eliminating access to items or substances that could be used for self-harm, such as medications, sharp objects, or other dangerous items. This intervention helps reduce the immediate risk of harm.
Choice C rationale:
Encouraging the client to confront their feelings of hopelessness is important in the long term, as it can be part of therapeutic interventions. However, it should not be the immediate priority when the client is at risk of self-harm. Ensuring their safety is paramount.
Choice D rationale:
Telling the client that they should be grateful for what they have is not an appropriate intervention. It can be perceived as dismissive of their feelings and may worsen their sense of hopelessness and isolation.
Correct Answer is C
Explanation
c) Call the healthcare provider and clarify the prescription. Correct
This is the action that the PN should take if they believe that a prescription for a child is incorrect because the dosage prescribed is the usual adult dosage.
Calling the healthcare provider and clarifying the prescription is the safest and most effective way to prevent medication errors and ensure the child's safety. The PN should not administer the medication until they are sure that it is correct and appropriate for the child.
a) Tell the pharmacy to send an accurate child's dosage.
This is not the action that the PN should take if they believe that a prescription for a child is incorrect because the dosage prescribed is the usual adult dosage.
Telling the pharmacy to send an accurate child's dosage is not appropriate, as it may cause confusion, delay, or conflict with the healthcare provider's orders. The PN should not assume that they know the correct dosage for the child without consulting with the healthcare provider.
b) Ask another nurse if adult dosages are ever given to children.
This is not the action that the PN should take if they believe that a prescription for a child is incorrect because the dosage prescribed is the usual adult dosage. Asking another nurse if adult dosages are ever given to children is not helpful, as it may not provide accurate or reliable information.
The PN should not rely on another nurse's opinion or experience without verifying it with the healthcare provider.
d) Request verification of the prescription by the charge nurse.
This is not the action that the PN should take if they believe that a prescription for a child is incorrect because the dosage prescribed is the usual adult dosage. Requesting verification of the prescription by the charge nurse is not necessary, as it may waste time and resources.
The PN should be able to communicate directly with the healthcare provider and clarify any doubts or concerns about the prescription.
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