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Week 5 Pharmacology
Week 5 Types of Insulin
| Question | Answer |
|---|---|
| Regular insulin has the following properties: | -Clear in color - Onset of action: 30 to 60 minutes - Peak: 2 to 4 hours - Duration: 5 to 8 hours (short-acting) |
| NPH insulin has the following properties: | - Cloudy in color - Onset of action: 1 to 3 hours - Peak: 8 hours - Duration: 12 to 16 hours (intermediate-acting) |
| Lispro has the following properties: | - Clear in color - Onset of action: 5 to 15 minutes (rapid-acting) - Peak: 30 to 90 minutes - Duration: 3 to 5 hours |
| Properties of Lantus insulin are: | - Clear in color - Onset: 1 hour - Peak: None—24-hour coverage - Duration: 20 to 26 hours |
| Which type of insulin should be given 30 to 60 minutes before meals? | Regular insulin |
| Which type of insulin is intermediate-acting? | NPH insulin |
| Which type of insulin is rapid acting? | Humalog insulin |
| What are the advantages of fixed combination insulins? | - Less need for mixing - Decreased number of injections - Available in vials and pens for administration - Contain both mealtime and basal insulin dosages - Simulate the varying levels of insulin within the body |
| Humalog U-100 75/25 insulin consists of two types of insulin. How much of each type of insulin is in 20 units of Humalog? | 15 units of lispro protamine suspension and 5 units of insulin lispro injection |
| What do all fixed-combination insulins have in common? | Duration time |
| Which types of insulin are always drawn up first when mixing insulin for administration? | - clear - regular - short-acting |
| Which step is performed prior to withdrawing the desired dose of insulin from the vial? | Inject air into the vial equal to the amount of insulin to be withdrawn. |
| Sequence the steps for mixing insulins. | - Cleanse the tops of both vials with - Inject air, equal to the amount to be - Using the same syringe, inject an - Invert or turn the bottle up in the air, - Check the syringe for air bubbles. If air - Withdraw the desired dosage from the |
| Which type of insulin has no peak? | Lantus |
| Which type of insulin should be given 5 minutes before meals? | Humalog insulin |
| Which term refers to the time that insulin is most effective in lowering blood sugar? | - Lispro 30-90 minutes - Humulin R 2-4 hours - Humulin N - 8 hours - Lantus No peak |
| Which term refers to the time that insulin is most effective in lowering blood sugar? | Peak |
| What are fixed-combination insulins designed to simulate? | Varying levels of insulin within the body |
| Consider an order for 32 units of Humulin 50/50 insulin. How much insulin of each type is present in this Humulin? | 16 units of human insulin isophane suspension and 16 units of human insulin injection |
| Match the onsets to the appropriate fixed-combination insulins. - Novolin 70/30 - Humalog 75/25 -Novolog 70/30 | - 30-60 minutes - 10-15 minutes -5-15 minutes |
| Why should insulin vials be rolled between the palms and not shaken? | - Shaking the vial produces bubbles. - Shaking the vial causes clumping. - Shaking the vial breaks down particles. - Rolling the vial ensures that it is well mixed |
| Correctly sequence the steps for mixing insulin for this order: 20 units of Humulin N subcut; 8 units of Humulin R subcut. | - Inject 20 units of air into Humulin N vial, do not allow the - Inject 8 units of air into the Humulin R vial - Invert the Humulin R vial, withdraw 8 units of insulin - Insert the needle into the Humulin - Invert the Humulin N - Dbl check |
| When mixing insulin, why is regular insulin always withdrawn first? | To avoid contamination |
Created by:
Brandi Sizemore
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