The nurse is caring for a client who is 3 hours post-operative following a right lobectomy for lung cancer. The client has shallow respirations at a rate of 14/minute with guarding of the operative site. The breath sounds are diminished throughout the left lung field. The nurse assigns the highest priority to which intervention to prevent acute respiratory failure?

Encourage the daily use of the incentive spirometer

Assisting the client with ambulation in the hallway

Increasing the chest tube suction to 44 mmHg

Assessing for adequate pain relief

Answer and Explanation

The Correct Answer is D

A. Encourage the daily use of the incentive spirometer: While the use of an incentive spirometer is important for improving lung expansion and preventing atelectasis, it may not be effective unless the client’s pain is well-managed. If pain is not addressed first, the client may be unable or unwilling to use the incentive spirometer properly, thus delaying recovery and increasing the risk of respiratory complications.

B. Assisting the client with ambulation in the hallway: Ambulation is an important post-operative activity for improving circulation and preventing complications such as deep vein thrombosis (DVT) or pneumonia. However, the priority at this time should be addressing the client's pain and ensuring adequate breathing before attempting more strenuous activities like ambulation. If the client is in pain and not breathing effectively, ambulation could exacerbate respiratory difficulties..

C. Increasing the chest tube suction to 44 mmHg: Increasing chest tube suction is not indicated unless there is evidence of inadequate drainage or a specific complication, such as a pneumothorax or pleural effusion. In this case, the priority is to address the client’s respiratory function, which is more likely to improve with pain relief, deep breathing, and appropriate positioning. Suctioning should only be adjusted if there is a clinical reason such as signs of a pneumothorax or inadequate drainage, which is not indicated by the information provided.

D. Assessing for adequate pain relief: The most urgent intervention in this scenario is ensuring that the client has adequate pain relief. The client’s shallow respirations and guarding of the operative site suggest that pain is inhibiting effective breathing and deep inspiration, which is crucial for preventing atelectasis and improving ventilation. Pain control is essential in promoting optimal respiratory function, as uncontrolled pain can lead to shallow breathing, reduced lung expansion, and compromised gas exchange, all of which can increase the risk of acute respiratory failure. Once pain is managed, the client will be better able to engage in other respiratory interventions

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Correct Answer is C

Explanation

A. This is a safe medication that is associated with minimal side effects: Carbidopa/levodopa is an effective medication for managing the symptoms of Parkinson's disease, but it is not without side effects. Common side effects include nausea, dizziness, dyskinesia (involuntary movements), and orthostatic hypotension. It is important to be honest with clients about the potential side effects and manage them proactively, rather than describing the medication as "safe with minimal side effects," which could lead to underestimating the risks.

B. Stop the medication if there is increased urination: Increased urination is not a common or typical side effect of carbidopa/levodopa. In fact, the medication is more likely to cause urinary retention or difficulty urinating in some cases. The client should not stop taking the medication without consulting their healthcare provider. Any urinary changes should be reported, but abrupt discontinuation of the medication is not advised without medical supervision.

C. Change position slowly to prevent orthostatic hypotension: One of the common side effects of carbidopa/levodopa therapy is orthostatic hypotension, which occurs when a person experiences a drop in blood pressure upon standing up. This can lead to dizziness or fainting, increasing the risk of falls. The client should be educated to change positions slowly, such as sitting up slowly and standing up gradually from a lying position, to minimize the risk of orthostatic hypotension. This is a critical aspect of safety and should be emphasized as part of the teaching.

D. Double the dose if a dose is missed at the next scheduled time: Doubling the dose of carbidopa/levodopa if a dose is missed can lead to an overdose, which may cause serious side effects, including dyskinesias or other complications. Clients should be instructed to take the missed dose as soon as they remember, unless it is almost time for the next dose. In that case, they should skip the missed dose and continue with their regular dosing schedule. It is important to never double the dose without guidance from the healthcare provider.

A. Partially compensated metabolic alkalosis B. Partially compensated metabolic acidosis C. Fully compensated respiratory acidosis D. Fully compensated respiratory alkalosis

Correct Answer is B

Explanation

A) Partially compensated metabolic alkalosis:
Metabolic alkalosis is typically characterized by an elevated pH and a high bicarbonate level (HCO3 >26 mEq/L). In this scenario, the pH is normal (7.44), and the bicarbonate level (HCO3 18 mEq/L) is low, which does not support a diagnosis of metabolic alkalosis. Furthermore, there is no evidence of compensation by respiratory mechanisms (i.e., low PaCO2). Therefore, this is not a likely diagnosis.

B) Partially compensated metabolic acidosis:
The ABG values indicate metabolic acidosis with a low bicarbonate level (HCO3 18 mEq/L) and a pH of 7.44, which is on the higher end of the normal range. A lower-than-normal bicarbonate level suggests an acidotic state, but the pH is compensating toward normal. The PaCO2 of 30 mmHg indicates a compensatory respiratory alkalosis, which would lower the PaCO2 to try to offset the acidosis. This represents a partially compensated metabolic acidosis, where the body is attempting to compensate for the acidosis but has not fully done so.

C) Fully compensated respiratory acidosis:
Respiratory acidosis is associated with elevated levels of carbon dioxide (PaCO2 >45 mmHg), which leads to a drop in pH. However, in this scenario, the PaCO2 is only 30 mmHg, which is lower than the normal range (35-45 mmHg), indicating that the problem is not respiratory acidosis. Additionally, fully compensated respiratory acidosis would show a normal pH with an elevated PaCO2 and compensatory elevation in bicarbonate levels. Thus, this option does not fit the ABG values.

D) Fully compensated respiratory alkalosis:
Respiratory alkalosis occurs when excessive CO2 is exhaled, leading to an elevated pH and a low PaCO2. Although the PaCO2 is low (30 mmHg), which could suggest respiratory alkalosis, the bicarbonate (HCO3) is low at 18 mEq/L, not high as would be expected in a fully compensated respiratory alkalosis. In a fully compensated state, the pH would be normal (around 7.4), and there would be compensatory changes in both the bicarbonate and PaCO2. Since the bicarbonate is low and the pH is not at normal levels, this diagnosis is not appropriate.

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Naxlex Comprehensive Predictor Exams

A nurse is providing teaching to a client newly diagnosed with Parkinson's disease who is prescribed carbidopa/levodopa. What should be included in client teaching?

Correct Answer is C

Explanation

Correct Answer is B

Explanation

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