LPN Licensed Practical Nurse 4

Question 1

Which laboratory value is the LPN most concerned about in a patient receiving long-term heparin therapy?

Accepted Answer

Platelet count dropping from 250,000 to 60,000/µL

Answer

A significant drop in platelets during heparin therapy indicates heparin-induced thrombocytopenia (HIT), a life-threatening complication requiring immediate provider notification.

Question 2

An LPN is performing a sterile dressing change. After opening the sterile field, which action contaminates it?

Accepted Answer

Reaching across the sterile field to place an item

Answer

Reaching across a sterile field allows microorganisms from clothing or non-sterile areas to fall onto it, breaking sterile technique.

Question 3

A patient with diabetes mellitus reports shakiness, diaphoresis, and confusion. The blood glucose reads 52 mg/dL. The patient is conscious. What is the priority intervention?

Accepted Answer

Give 15-20 grams of fast-acting carbohydrates orally

Answer

The 15-15 rule states that a conscious hypoglycemic patient should receive 15-20 grams of fast-acting carbohydrates orally, then recheck glucose in 15 minutes.

Question 4

When performing tracheostomy suctioning, what is the maximum recommended suction duration per pass?

Accepted Answer

10 seconds

Answer

Each suction pass should not exceed 10 seconds to prevent hypoxia, trauma, and vagal stimulation.

Question 5

The LPN is caring for a patient in alcohol withdrawal. Which medication class does the LPN expect to be ordered for symptom management?

Accepted Answer

Benzodiazepines

Answer

Benzodiazepines are the first-line treatment for alcohol withdrawal because they cross-react with the GABA receptor system and prevent seizures and delirium tremens.

LPN - Licensed Practical Nurse Practice Test

LPN - Licensed Practical Nurse Practice Test

LPN Licensed Practical Nurse 4