Insulin glargine (Lantus) is what type of insulin?
Long-acting insulin.
Rapid-acting insulin.
Intermediate-acting insulin.
Short-acting insulin.
The Correct Answer is A
Choice A rationale
Insulin glargine (Lantus) is a long-acting insulin used for basal glycemic control in diabetic patients. It has a slow onset and a steady release over approximately 24 hours, mimicking natural insulin secretion to stabilize blood glucose levels and prevent fluctuations.
Choice B rationale
Rapid-acting insulins, such as insulin lispro or aspart, have fast onsets and short durations to manage postprandial glucose spikes. Insulin glargine does not have these properties, as it is used for long-term basal control rather than immediate blood sugar regulation.
Choice C rationale
Intermediate-acting insulins like NPH have a shorter duration and peak effect compared to long-acting insulins. Insulin glargine provides a consistent effect over 24 hours, distinguishing it from intermediate-acting options.
Choice D rationale
Short-acting insulins are designed for pre-meal blood sugar control with a quick onset and limited duration. Insulin glargine does not fit this description due to its long-acting properties.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A rationale
Estimating carbohydrate content rather than measuring can lead to inaccuracies in blood sugar control for diabetic patients. Precise carbohydrate counting is essential for maintaining glycemic control and preventing hyperglycemia or hypoglycemia, making this approach unsuitable in diabetes education.
Choice B rationale
Balancing carbohydrate intake with insulin or medication is a critical aspect of diabetes management. This ensures stable blood glucose levels as insulin dosage or medication is adjusted according to the patient's carbohydrate consumption, providing personalized glycemic control effectively.
Choice C rationale
Avoiding all carbohydrates is not a realistic or scientifically sound recommendation, as carbohydrates are essential for energy production. Teaching portion control and healthy carbohydrate choices is more effective for diabetic management than complete avoidance.
Choice D rationale
Counting carbohydrates from sugary foods alone ignores the contribution of complex carbohydrates to blood glucose levels. A comprehensive approach that considers all sources of carbohydrates ensures accurate diabetes education and better long-term blood sugar control.
Correct Answer is A
Explanation
Choice A rationale
Lispro (Humalog) is a rapid-acting insulin analog designed for mealtime glucose control. It begins action within 15 minutes, peaks in 1 hour, and lasts 2 to 4 hours. Its quick onset matches postprandial glucose spikes, enhancing glycemic control during meals and preventing hyperglycemia from carbohydrate intake.
Choice B rationale
Glargine (Lantus) is a long-acting basal insulin with no peak and prolonged action. It does not target mealtime spikes but provides steady glucose control over 24 hours. Its slow onset and constant release profile are unsuitable for immediate postprandial glucose management.
Choice C rationale
Detemir (Levemir) is a long-acting basal insulin, similar to glargine, with extended action for baseline glucose control. It lacks the rapid onset needed for mealtime management, making it inappropriate for postprandial hyperglycemia control, as observed in Lispro efficacy.
Choice D rationale
NPH (Humulin N) is an intermediate-acting insulin with delayed onset and peak activity. It supports baseline glucose regulation but fails to address mealtime glucose control promptly. Its time profile does not align with the immediate needs of postprandial hyperglycemia management.
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