LPN Licensed Practical Nurse MCQ 3

Question 1

A patient with type 2 diabetes has a blood glucose of 58 mg/dL and is alert and oriented. What is the LPN's priority intervention?

Accepted Answer

Give 15–20 grams of fast-acting carbohydrate orally

Answer

Administer IV dextrose 50%

Answer

Notify the provider and await orders

Answer

Recheck blood glucose in 30 minutes without intervention

Question 2

While performing wound care, the LPN notes the wound base is covered with black, leathery tissue. This tissue is best described as:

Accepted Answer

Eschar

Answer

Granulation tissue

Answer

Slough

Answer

Epithelial tissue

Question 3

A patient is admitted with acute asthma exacerbation. Which breath sound finding would the LPN expect to assess?

Accepted Answer

Expiratory wheezes diffusely throughout lung fields

Answer

Crackles bilaterally in lung bases

Answer

Pleural friction rub

Answer

Diminished breath sounds at the right base only

Question 4

The LPN is preparing to administer insulin glargine. Which action is correct?

Accepted Answer

Inject it at the same time each day without mixing with other insulins

Answer

Mix it with regular insulin in the same syringe for convenience

Answer

Administer it only when the blood glucose exceeds 200 mg/dL

Answer

Shake the vial vigorously before drawing up the dose

Question 5

An LPN is caring for a postoperative patient who reports chest pain and shortness of breath 48 hours after hip surgery. Which condition should the LPN suspect first?

Accepted Answer

Pulmonary embolism

Answer

Atelectasis

Answer

Pneumonia

Answer

Pleural effusion

Question 6

When caring for a patient with a chest tube connected to water-seal drainage, the LPN notes continuous bubbling in the water-seal chamber. What does this most likely indicate?

Accepted Answer

An air leak in the system or lung

Answer

Normal functioning of the drainage system

Answer

The tube needs to be clamped immediately

Answer

The suction is set too high

Question 7

A patient taking lithium for bipolar disorder reports tremors, nausea, and blurred vision. The LPN's priority action is to:

Accepted Answer

Hold the next dose and notify the RN immediately

Answer

Reassure the patient that these are expected side effects

Answer

Encourage increased fluid intake only

Answer

Administer the next dose with a large glass of water