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?Reference Range:
Arterial Blood Gas (ABG)
pH [Adult/child: 7.35 to 7.45]
PaCO2 [Adult/child: 35 to 45 mm Hg)
HCO- [Adult/child: 21 to 28 mEq/L (21 to 28 mmol/L)] PaO2 [Adult/child: 80 to 100 mm Hg)

Increase rate of ventilation.

Decrease expiratory flow time.

Increase ventilator tidal volume.

Decrease expiratory pressure.

Answer and Explanation

The Correct Answer is A

Rationale

A. The client's pH is low (acidotic), and the PaCO2 is high (respiratory acidosis). Increasing the rate of ventilation (respiratory rate) can help to decrease PaCO2 by increasing alveolar ventilation, thereby helping to correct respiratory acidosis.

B. Expiratory flow time affects the time available for exhalation. While this may affect the overall mechanics of ventilation, it is not directly targeting the primary issue of elevated PaCO2 and acidosis.

C. Increasing tidal volume increases the volume of air delivered with each breath. This can improve ventilation efficiency but may not address the underlying problem of elevated PaCO2 unless it leads to increased minute ventilation.

D. Expiratory pressure is related to positive end-expiratory pressure (PEEP), which helps maintain alveolar recruitment and improve oxygenation. Decreasing expiratory pressure may not directly address the elevated PaCO2 and acidosis.

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Naxlex Comprehensive Predictor Exams

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Free Nursing Study Resources

Correct Answer is A

Explanation

Rationale

A. Iodinated contrast dye is commonly used in IVP procedures. Clients with a known allergy to iodine or shellfish may be at increased risk of an allergic reaction to the contrast dye. It is crucial to notify the healthcare provider so that appropriate pre-medication or alternative imaging options can be considered to minimize the risk of an allergic reaction.

B. While some procedures may require a urinary catheter, it is not routinely necessary for an IVP. Urinary catheters are generally used when precise urinary output measurement is required or when there are concerns about bladder function during and after the procedure. There is no specific indication for routine urinary catheterization before an IVP.

C. Drinking plenty of fluids before an IVP helps to ensure adequate hydration and can help flush the contrast dye from the body more quickly after the procedure. This can help reduce the risk of contrast dye-related complications such as nephrotoxicity and contrast-induced nephropathy.

D. After an IVP, there is no requirement for the client to keep their legs straight for an extended period. Typically, clients are observed for a brief period after the procedure to monitor for any immediate adverse reactions, but they are not required to keep their legs straight or remain immobile for an extended duration.

A. An adult with alcoholism, cirrhosis, and hepatic encephalopathy. B. An older adult who is scheduled for foot amputation due to diabetes complications. C. An adult who is one day postoperative for a laparoscopic cholecystectomy. D. An older client who is one day postoperative with a colostomy for colon cancer.

Correct Answer is C

Explanation

Rationale

A. This client may require complex care related to liver disease and alcoholism, likely exceeding the scope of practice for a PN.

B. While this client requires specialized wound care and diabetes management, the tasks involved may be appropriate for a PN under RN supervision.

C. This client's care typically involves routine postoperative monitoring and interventions that are suitable for a PN under RN supervision.

D. This client requires specialized ostomy care and postoperative monitoring, which can generally be managed by a PN under RN supervision.

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Naxlex Comprehensive Predictor Exams

When preparing a client for an intravenous pyelogram (IVP), it is essential for the nurse to take which action?

Correct Answer is A

Explanation

Which client is best to assign to the practical nurse (PN) who is assisting the registered nurse (RN) with the care of a group of clients?

Correct Answer is C

Explanation

Exhibits After the nurse assesses the client, the healthcare provider writes prescriptions. The nurse reviews the prescriptions. Which 2 prescriptions should the nurse complete first?

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The nurse is working on an infectious disease unit. Which client should be assigned to a room with negative airflow, while requiring personnel to use a particulate respirator mask, and requiring staff to observe airborne, as well as standard precautions?