A client with diabetes carries insulin with him at all times. At 11:35, he obtains a blood glucose reading of 218 mg/dL (12.1 mmol/L) and self-administers a dose of insulin in anticipation of eating lunch at noon. What type of insulin did he most likely inject?

The correct answer is "Short acting".

Explanation:

The client gets a blood glucose reading of 218 mg/dL (12.1 mmol/L), and immediately supplies a dose of short-acting insulin. Normal blood glucose levels are between 70 and 100 mg/dl fasting and less than 140 mg/dl two hours after each meal. In this way, the type of insulin that should be injected is short-acting, since your blood glucose level is much higher than the limit set for before eating.

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Short acting insulin

Explanation:

Insulin utilized in the management of diabetes are grouped according to how soon they start working and the duration they work in the body system. The different types include;

Short acting insulin: starts working within 30 minutes of being injected and works up to eight hours in the body. This is usually administered 30 minutes before meals. Rapid acting insulin: starts working within 2.5 to 20 minutes after injection and lasts up to 5 hours. Usually injected few minutes after meals. Intermediate acting/background/basal insulin: starts working from 60 to 90 minutes after being injected and lasts up to 24 hours. This thus means that it is usually injected 60 to 90 minutes before meals.

Other types of insulin include long acting and mixed insulin.

Since the client in question injected the insulin dose about 30 minutes before eating lunch, he must have injected a short acting insulin.