A patient is prescribed regular insulin and NPH insulin in the same syringe. Which insulin should the nurse draw up first?
Correct answer: B. Regular insulin, because it is clear insulin
- A. NPH insulin, because it is longer acting
- B. Regular insulin, because it is clear insulin
- C. NPH insulin, because it prevents hypoglycaemia
- D. Regular insulin, because it has the longest duration
Explanation
When regular insulin is mixed with NPH, the clear regular insulin is drawn up before the cloudy NPH insulin. This helps prevent contaminating the regular insulin vial with NPH insulin.
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About Endocrine and Diabetes Drugs
Endocrine pharmacology includes insulin preparations, oral antidiabetic drugs, thyroid and antithyroid medicines, corticosteroids, sex hormones and drugs affecting calcium balance. Questions address onset and duration, administration, monitoring, hypoglycaemia, steroid adverse effects and the difference between replacing a deficient hormone and suppressing excessive hormone activity.
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