Which type of insulin is most appropriate to administer to a patient 15 minutes before a meal to manage postprandial glucose levels?
Insulin glargine
NPH insulin
Insulin lispro
Regular insulin
The Correct Answer is C
A. Insulin glargine: Insulin glargine is a long-acting basal insulin with no pronounced peak, used to maintain baseline glucose control. It is not intended for rapid correction of postprandial glucose elevations or administration immediately before meals.
B. NPH insulin: NPH insulin is an intermediate-acting insulin with an onset of 1 to 2 hours and a pronounced peak several hours later. Its timing does not align with immediate postprandial glucose rises.
C. Insulin lispro: Insulin lispro is a rapid-acting insulin with an onset of approximately 10 to 15 minutes, making it ideal for administration shortly before meals. It effectively controls postprandial glucose spikes by matching insulin action with carbohydrate absorption.
D. Regular insulin: Regular insulin has an onset of 30 to 60 minutes and is typically administered 30 minutes before meals. It does not act quickly enough to optimally manage glucose levels when given 15 minutes prior to eating.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Calculation:
- Convert the prescribed dose to the same unit as the available tablets
Prescribed Dose: 0.75 g
= 750 mg
Available Tablet Strength: 250 mg per tablet
- Calculate the number of tablets to administer
Number of Tablets = Prescribed Dose ÷ Tablet Strength
Number of Tablets = 750 ÷ 250
Number of Tablets = 3 tablets
Correct Answer is C
Explanation
- Identify the ordered dose and available concentration
Ordered Dose: 600 mg
Available Concentration: 200 mg/mL
- Calculate the volume to administer
Volume to administer = Ordered Dose ÷ Concentration
Volume to administer = 600 ÷ 200
Volume to administer = 3 mL
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