LPN Licensed Practical Nurse-RN 4

Question 1

An LPN is caring for a patient with a chest tube connected to a water-seal drainage system. The nurse observes continuous bubbling in the water-seal chamber. This finding indicates:

Accepted Answer

An air leak in the system or the pleural space

Answer

Normal functioning of the system

Answer

Adequate drainage from the pleural cavity

Answer

The suction pressure is set correctly

Question 2

A patient asks an LPN to witness their signature on a consent form for surgery. The LPN should:

Accepted Answer

Witness only that the patient signed voluntarily, not that informed consent was given

Answer

Witness the signature and document that informed consent was obtained

Answer

Refuse to witness any consent forms as this is outside LPN scope

Answer

Have the patient sign and counter-sign the form as the witness

Question 3

A patient with chronic kidney disease (CKD) stage 4 has a serum potassium of 6.1 mEq/L. Which food should the LPN advise the patient to AVOID?

Accepted Answer

Bananas

Answer

White rice

Answer

Apples

Answer

White bread

Question 4

Which patient is at the HIGHEST risk for developing a deep vein thrombosis (DVT)?

Accepted Answer

A 70-year-old patient 3 days post total hip replacement on bedrest

Answer

A 25-year-old postpartum patient ambulatory after vaginal delivery

Answer

A 45-year-old patient admitted for hypertensive urgency, ambulatory

Answer

A 30-year-old patient with a fractured wrist in a splint

Question 5

An LPN is preparing to administer an oral medication and the patient states, 'I've never seen this pill before.' The correct response is:

Accepted Answer

Hold the medication and verify the order before administration

Answer

Reassure the patient that this is their correct medication and administer it

Answer

Tell the patient the pharmacy sometimes changes pill appearance

Answer

Ask a family member if they recognize the medication

Question 6

A patient with pneumonia has an oxygen saturation of 91% on room air and is ordered supplemental oxygen. Which delivery device provides the MOST precise oxygen concentration?

Accepted Answer

Venturi mask

Answer

Simple face mask

Answer

Nasal cannula

Answer

Non-rebreather mask

Question 7

An LPN is caring for a patient with a urinary catheter. Which action BEST prevents catheter-associated urinary tract infection (CAUTI)?

Accepted Answer

Keeping the drainage bag below bladder level at all times

Answer

Irrigating the catheter with normal saline daily

Answer

Changing the catheter every 72 hours routinely

Answer

Clamping the drainage tube when ambulating