A client with diabetic ketoacidosis (DKA) is receiving an IV infusion of 0.9% sodium chloride and insulin.
Two hours later, the client’s serum laboratory results show a decrease in the serum blood glucose from 580 to 430 mg/dL (32.2 to 23.86 mmol/L). What additional laboratory result is most important for the nurse to monitor?
Serum sodium.
Serum potassium.
Blood urea nitrogen (BUN).
Urine ketones.
The Correct Answer is B
Choice A rationale
While monitoring serum sodium levels is important in a client with DKA, it is not the most critical. Hyperglycemia can lead to a state of effective osmotic diuresis, which can cause sodium depletion.
Choice B rationale
Serum potassium levels are crucial to monitor in a client with DKA3. Despite total body potassium depletion, serum potassium levels may be high or normal upon presentation due to acidosis and insulin deficiency. However, with insulin treatment, potassium will shift back into the cells, potentially leading to life-threatening hypokalemia.
Choice C rationale
Blood urea nitrogen (BUN) might be elevated due to dehydration, but it is not the most critical lab value to monitor in the management of DKA3.
Choice D rationale
Urine ketones are not as important to monitor as serum potassium in DKA. The presence of ketones in urine only confirms that the body is breaking down fat, not the severity of DKA3.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
The correct answer is choiceB. Confirm that the gown is tied securely at the neck and waist.
Choice A rationale:
Reminding the UAP to wash hands frequently while in the room is important for infection control, but it is not the immediate priority in this scenario. The UAP has already donned gloves, which are part of the personal protective equipment (PPE) required for contact precautions. Hand hygiene is crucial before and after patient contact and after removing gloves, but ensuring the gown is properly secured takes precedence to prevent contamination.
Choice B rationale:
Confirming that the gown is tied securely at the neck and waist is essential to ensure that the UAP is fully protected from potential contamination.A properly secured gown prevents the UAP’s clothing from coming into contact with the patient or contaminated surfaces, which is critical in maintaining effective contact precautions.
Choice C rationale:
Assisting the UAP with the application of a face mask or face shield is necessary for droplet or airborne precautions, not specifically for contact precautions.Since the scenario involves contact precautions, the focus should be on the gown and gloves.
Choice D rationale:
Helping the UAP reposition the gown sleeve over the glove edges is not necessary because the UAP has already secured the tops of the gloves over the gown sleeves.This method is appropriate as it prevents the sleeves from becoming contaminated.
Correct Answer is C
Explanation
Choice A rationale
Replacing the IV site with a smaller gauge is not the most appropriate intervention in this situation. The client’s confusion and picking at the dressing and tape are likely due to the dementia and increased confusion at night, known as “sundowning”. While a smaller gauge might be less noticeable to the client, it does not address the primary issue of the client’s confusion and restlessness at night.
Choice B rationale
Applying soft bilateral wrist restraints might be considered in some situations to prevent a confused client from removing necessary medical devices. However, restraints should be a last resort after all other interventions have been tried because they can increase agitation and confusion, and they pose a risk for injury.
Choice C rationale
Redressing the abdominal incision is the correct choice. The dressing is no longer occlusive, which means it’s not providing a proper barrier to bacteria. This could lead to an infection in the surgical site. The nurse should clean the area and apply a new sterile dressing.
Additionally, the nurse should continue to monitor the client’s behavior and implement interventions to reduce confusion and restlessness, such as reorienting the client and providing a quiet and calm environment.
Choice D rationale
Leaving the lights on in the room at night can actually increase confusion and agitation in clients with dementia. It can disrupt the client’s sleep-wake cycle and make “sundowning” worse. Therefore, this is not the most appropriate intervention.
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