44 Questions
Where should prefilled insulin syringes be stored?
In the refrigerator and warmed to room temperature before administration
Why is it important to inject air into the bottle of insulin before withdrawing the proper amount?
To prevent the formation of a vacuum inside the bottle
What is the rationale for systematic rotation of injection sites within an anatomic area?
To prevent localized changes in fatty tissue
Where is insulin absorbed the fastest?
Abdomen
How often should a patient use the exact same injection site?
Not more than once in 2 to 3 weeks
Why should insulin not be injected into a limb that will be exercised?
It will cause the drug to be absorbed faster, which may result in hypoglycemia
What should the patient do to promote consistency in insulin absorption?
Use all available injection sites within one area rather than randomly rotating sites from area to area
What is the purpose of warming prefilled insulin syringes to room temperature before administration?
To avoid discomfort from cold injection
When mixing rapid- or short-acting insulins with longer-acting insulins, what does the ADA recommend to be drawn up first into the syringe?
Regular insulin
What happens if cloudy insulin is injected into a vial of clear insulin?
It contaminates the entire vial of clear insulin
What is the most common ratio of NPH insulin to regular insulin in premixed insulins?
70/30
For patients who have difficulty mixing insulins, what are the available options?
Premixed insulin, prefilled syringes, or taking 2 injections
What is the most common insulin concentration used in the United States?
U-100
What should be done to avoid clogging of the needle when storing prefilled syringes?
Store with the needle in an upright position
What is the purpose of injecting air into the bottle of insulin before withdrawing the proper amount?
Prevent the formation of a vacuum inside the bottle
Where is insulin absorbed the fastest in the body?
Abdomen
What should be done to promote consistency in insulin absorption?
Systematic rotation of injection sites within an anatomic area
How should insulin vials not in use be stored?
Refrigerated
What is the appropriate initial dosage of premixed insulin based on?
Ratio of NPH to regular insulin
What should be done before administering prefilled insulin syringes?
Warm to room temperature
What should be done to avoid localized changes in fatty tissue due to insulin injections?
Systematic rotation of injection sites within an anatomic area
What is the purpose of warming prefilled insulin syringes to room temperature before administration?
To prevent clogging of the needle
How often should a patient use the exact same site for insulin injection?
Not more than once in 2 to 3 weeks
What should be done if a vial of insulin will be used up within 1 month?
It may be kept at room temperature
When mixing rapid- or short-acting insulins with longer-acting insulins, what does the ADA recommend to be drawn up first into the syringe?
Regular insulin
What is the most common ratio of NPH insulin to regular insulin in premixed insulins?
70/30
What happens if cloudy insulin is injected into a vial of clear insulin?
It contaminates the entire vial of clear insulin
Why is it important that patients prepare their insulin injections consistently from day to day?
To avoid drawing up the wrong dose in error
What is the rationale for systematic rotation of injection sites within an anatomic area?
To prevent lipodystrophy
What should patients not do when injecting different types of insulin?
Inject one type of insulin into the bottle containing a different type of insulin
What may happen if patients inject one type of insulin into the bottle containing a different type of insulin?
Contaminate the entire vial of the different type of insulin
What are the options available for patients who have difficulty mixing insulins?
All of the above
Where is insulin absorbed the fastest?
Abdomen
What is the purpose of warming prefilled insulin syringes to room temperature before administration?
To improve patient comfort
How often should a patient use the exact same injection site?
Never
What is the ratio of NPL (neutral protamine lispro) to insulin lispro in some premixed insulins?
75/25
When mixing rapid- or short-acting insulins with longer-acting insulins, what does the ADA recommend to be drawn up first into the syringe?
The regular insulin
What is the most common ratio of NPH insulin to regular insulin in premixed insulins?
70/30
What happens if cloudy insulin is injected into a vial of clear insulin?
It contaminates the entire vial of clear insulin and alters its action
What is the purpose of warming prefilled insulin syringes to room temperature before administration?
To prevent insulin crystallization
When mixing rapid- or short-acting insulins with longer-acting insulins, which insulin should be drawn up first into the syringe, according to ADA recommendations?
The regular insulin
What happens if cloudy insulin is injected into a vial of clear insulin?
It contaminates the entire vial of clear insulin
What ratio of NPH insulin to regular insulin is most common in premixed insulins?
70/30
What options are available for patients who have difficulty mixing insulins?
Premixed insulin, prefilled syringes, or taking 2 injections
Test your knowledge of mixing insulins with this quiz. Learn about the proper technique for combining rapid- or short-acting insulins with longer-acting insulins in the same syringe. Understand the importance of consistent insulin preparation and gain insight into varying opinions on insulin types.
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