FREE LPN Diabetes Care: Glucose and Insulin Questions and Answers

Question 1

An LPN is preparing to administer a mixture of regular insulin and NPH insulin. What is the correct procedure for drawing up the insulins?

Accepted Answer

Draw up the regular insulin, then the NPH insulin in the same syringe.

Answer

Draw up the NPH insulin, then the regular insulin in the same syringe.

Answer

Use two separate syringes for the injections.

Answer

Draw up the NPH insulin, clear the air bubbles, then add the regular insulin.

Question 2

A client with type 1 diabetes reports feeling shaky, dizzy, and diaphoretic. The LPN checks the client's blood glucose, which is 58 mg/dL. The client is conscious and able to swallow. What is the LPN's priority action?

Accepted Answer

Provide the client with 4 oz of orange juice.

Answer

Administer the client's scheduled dose of long-acting insulin.

Answer

Give the client a protein bar and a glass of milk.

Answer

Notify the registered nurse (RN) immediately without taking action.

Question 3

When reinforcing teaching about insulin injection site rotation, what is the best instruction for the LPN to provide?

Accepted Answer

Rotate sites within one area before moving to a new area.

Answer

Use the same injection spot for every dose.

Answer

Alternate between the right and left arm for each injection.

Answer

Only use the abdomen for insulin injections.

Question 4

A client is prescribed rapid-acting insulin (lispro) on a sliding scale to be administered before meals. The LPN should administer the insulin at what time?

Accepted Answer

No more than 15 minutes before the meal begins

Answer

30 to 60 minutes before the meal

Answer

At the same time each day, regardless of meals

Answer

Immediately after finishing the meal

Question 5

An LPN is obtaining a capillary blood glucose sample from a client's fingertip. Which technique is correct?

Accepted Answer

Puncture the side of the fingertip.

Answer

Puncture the center of the fingertip pad.

Answer

Milk the finger vigorously before the puncture.

Answer

Use the first drop of blood for the reading.

Question 6

Which statement accurately describes the action of long-acting insulin, such as insulin glargine?

Accepted Answer

It provides a steady level of insulin with no significant peak.

Answer

It has a rapid onset and a peak action in 1-2 hours.

Answer

It must be administered 30 minutes before each meal.

Answer

It is cloudy in appearance and must be gently rolled before use.

Question 7

A client with diabetes mellitus is being discharged. The LPN reinforces teaching about the signs of hyperglycemia. Which symptom should the client be taught to report?

Accepted Answer

Increased thirst and frequent urination

Answer

Shakiness and sweating

Answer

Cool, clammy skin

Answer

Sudden confusion and headache