A nurse is admitting a client who has diabetic ketoacidosis. Which of the following types of continuous infusions should the nurse initiate?
0.45% saline
NPH insulin
0.9% normal saline
Glargine insulin
The Correct Answer is C
A. 0.45% saline. This is a hypotonic solution, which may be used later in diabetic ketoacidosis (DKA) management, but it is not appropriate for initial fluid resuscitation as it does not rapidly expand intravascular volume.
B. NPH insulin. NPH is an intermediate-acting insulin and is not used for continuous infusion. In DKA, rapid insulin correction is needed, typically with a short-acting insulin like regular insulin.
C. 0.9% normal saline. This isotonic fluid is the first-line choice for fluid replacement in clients with DKA. It helps restore circulating volume and correct dehydration quickly, which is a critical initial intervention.
D. Glargine insulin. Glargine is a long-acting insulin and not suitable for IV infusion. DKA requires the use of short-acting insulin (e.g., regular insulin) administered via IV infusion to correct hyperglycemia and acidosis.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. Flush the tubing with 30 mL of water every 4 hr. Flushing the tube regularly helps maintain patency, prevent clogging, and ensure that the feeding is delivered effectively. This is a standard practice in managing enteral feeding systems.
B. Check for gastric residual every 12 hr. Gastric residuals should typically be checked every 4 to 6 hours, or per facility protocol, especially in clients at risk for aspiration. Waiting 12 hours is too long and may delay identifying feeding intolerance.
C. Place enough formula in the container to last 18 hr. Open systems should have fresh formula added every 4 hours to reduce the risk of bacterial contamination. Leaving formula in the feeding bag for 18 hours exceeds safety guidelines and increases infection risk.
D. Maintain bed elevation at 20°. The head of the bed should be elevated to at least 30 to 45 degrees to reduce the risk of aspiration. A 20° elevation is insufficient and does not provide adequate protection during feeding.
Correct Answer is ["200"]
Explanation
Total volume to infuse = 100 mL
Infusion time = 30 minutes
- Convert infusion time to hours:
1hr = 60 minutes
30 minutes / 60 minutes/hour = 0.5 hours
- Calculate the infusion rate in mL per hour:
Infusion rate (mL/hr) = Total volume (mL) / Infusion time (hours)
= 100 mL / 0.5 hours
= 200 mL/hr
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