Diabetes Insulin Therapy 2

Question 1

Which insulin type is most appropriate for covering mealtime glucose spikes?

Accepted Answer

Lispro (Humalog)

Answer

Rapid-acting insulins like lispro are designed to match postprandial glucose rises due to their quick onset.

Question 2

A patient using an insulin pump (CSII) experiences a site infection. What is the most important immediate action?

Accepted Answer

Change the infusion site and monitor for ketones

Answer

Infected pump sites must be changed immediately, and ketone monitoring is essential since pump occlusion can cause rapid DKA.

Question 3

What is the recommended storage temperature for an unopened vial of insulin?

Accepted Answer

Refrigerated at 36–46°F

Answer

Unopened insulin vials should be refrigerated between 36–46°F to maintain potency until the expiration date.

Question 4

The 'dawn phenomenon' in insulin-treated patients refers to:

Accepted Answer

Rising blood glucose in early morning due to counter-regulatory hormones

Answer

The dawn phenomenon is caused by early-morning surges in cortisol and growth hormone that increase hepatic glucose output.

Question 5

Which of the following is a sign of insulin lipohypertrophy?

Accepted Answer

Hard, rubbery lumps under the skin at injection sites

Answer

Lipohypertrophy appears as fatty tissue buildup from repeated injections at the same site, causing erratic insulin absorption.

Diabetes Practice Test