Which insulin administration route has the slowest onset of action?

Intramuscular (IM) injection

Subcutaneous injection

Intravenous (IV) infusion

Inhalation

Answer and Explanation

The Correct Answer is B

Subcutaneous injection has a slower onset of action compared to IV infusion and is the most common route for insulin administration.

Incorrect choices:

a. IM injection is not a common route for insulin administration and has a slower onset than subcutaneous injection.

c. IV infusion provides a rapid onset of action, making it inappropriate for routine insulin administration.

d. Inhalation is not a typical route for insulin administration. It is used for specific types of medications, not insulin.

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Correct Answer is B

Explanation

Rotating injection sites within the same anatomical area (e.g., abdomen, thigh) helps prevent lipohypertrophy and ensures consistent insulin absorption.

Incorrect choices:

a. Injecting into the same site each time can lead to lipohypertrophy and uneven insulin absorption.

c. While the abdomen is a common injection site, rotating within the same area is essential to prevent tissue damage.

d. Insulin absorption rates are similar across different anatomical sites, so there is no "fastest" absorption site.

A. Administering insulin lispro within 15 minutes of a meal B. Using an insulin syringe to draw up the medication C. Ensuring the insulin lispro vial is properly stored in the refrigerator D. Injecting insulin lispro into the subcutaneous tissue

Correct Answer is C

Explanation

Insulin lispro should not be stored in the refrigerator; it can be kept at room temperature for up to 28 days once in use.

Incorrect choices:

a. Administering insulin lispro within 15 minutes of a meal matches its rapid onset of action, which helps control postprandial glucose levels.

b. Using an insulin syringe to draw up insulin lispro is an appropriate technique for accurate dosing.

d. Injecting insulin lispro into the subcutaneous tissue is the correct route of administration for this rapid-acting insulin.

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Which insulin administration route has the slowest onset of action?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A nurse is teaching a client about self-administering insulin. The client asks, "Where is the best site to inject insulin?" Which response is correct?

Correct Answer is B

Explanation

A nurse is preparing to administer insulin lispro (Humalog) to a client. Which action by the nurse indicates the need for further education about insulin administration?

Correct Answer is C

Explanation

A client with diabetes is unconscious and experiencing severe hypoglycemia. What is the appropriate nursing intervention for hypoglycemia management?

A client is worried about maintaining the effectiveness of insulin during hot summer months. What guidance should the nurse provide to the client regarding insulin storage and handling in warm weather?

Which type of insulin is cloudy in appearance?

A nurse is teaching a client about insulin storage and handling. Which statement by the client indicates a need for further education?

Which type of diabetes typically requires insulin therapy?

A client on insulin therapy is planning to engage in increased physical activity. How should the nurse advise the client about monitoring and adjusting insulin therapy?

A client with diabetes is experiencing hypoglycemia and is conscious. Which intervention should the nurse implement for hypoglycemia management?

What is the recommended technique for insulin injection?