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.True or false of insulins?
A. Insulin therapy is essential to maintain life in type I diabetes.=true

B. Insulin should be injected intramuscularly in daily use.=false

C. Insulin is recommended to be stored at the room temperature in Sri Lanka.=false

D. Human insulin should be injected 15-20 minutes before a meal.=t/f?
E. Isophane insulin is an intermediate acting insulin=true





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A. Insulin therapy is essential to maintain life in type I diabetes.

• True. People with type I diabetes do not produce insulin, a hormone that helps the body use glucose for energy. Without insulin, glucose builds up in the blood, leading to serious complications such as diabetic ketoacidosis, nerve damage, kidney damage, and blindness. Insulin therapy is essential to regulate blood sugar levels and maintain life in people with type I diabetes.

B. Insulin should be injected intramuscularly in daily use.

• False. Insulin should typically be injected subcutaneously, meaning into the fatty tissue under the skin. Intramuscular injection, which involves injecting into muscle tissue, can lead to rapid absorption of insulin and a sudden drop in blood sugar levels (hypoglycemia).

C. Insulin is recommended to be stored at the room temperature in Sri Lanka.

• False. Insulin should be stored in a cool place, preferably in the refrigerator. In Sri Lanka, where temperatures can be high, it is especially important to keep insulin refrigerated to prevent it from degrading. Freezing insulin should also be avoided, as this can damage the insulin and make it less effective.

D. Human insulin should be injected 15-20 minutes before a meal.

• True. Human insulin is a short-acting insulin, meaning its effects start quickly and wear off within a few hours. Injecting human insulin 15-20 minutes before a meal allows the insulin to start working before the food is digested, helping to control blood sugar levels after eating.

E. Isophane insulin is an intermediate acting insulin.

• True. Isophane insulin is a mixture of short-acting insulin and protamine, a substance that slows down the absorption of insulin. This combination gives isophane insulin an intermediate duration of action, meaning its effects last longer than short-acting insulin but not as long as long-acting insulin. Isophane insulin typically peaks in 5-7 hours and lasts for 12-18 hours.