LPN/LVN Week 12 Quiz 2026 UPDATE |SBON
1. A nurse is caring for a client with heart failure who is prescribed
spironolactone. Which laboratory value should the nurse monitor closely?
A. Serum sodium
B. Serum magnesium
C. Serum calcium
D. Serum potassium
Answer: D
Rationale: Spironolactone is a potassium-sparing diuretic; therefore, monitoring for
hyperkalemia is essential to prevent cardiac arrhythmias.
2. When mixing regular and NPH insulin in one syringe, which action should the
nurse take first?
A. Draw up the NPH insulin first.
B. Inject air into the NPH insulin vial.
C. Inject air into the regular insulin vial.
D. Draw up the regular insulin first.
Answer: B
Rationale: The correct sequence is to inject air into the NPH (cloudy) vial first, then air
into the regular (clear) vial, then draw up the regular, then draw up the NPH.
,3. A client is receiving digoxin 0.25 mg daily. Which of the following symptoms
would indicate potential digoxin toxicity?
A. Increased appetite
B. Visual disturbances such as yellow halos
C. Increased urinary output
D. Constipation
Answer: B
Rationale: Visual changes, including yellow-green halos or blurred vision, are classic signs
of digoxin toxicity along with nausea and bradycardia.
4. The nurse is preparing to administer an intermittent tube feeding. What is the
most reliable bedside method to confirm NG tube placement?
A. Placing the end of the tube in a cup of water
B. Auscultating air injected into the tube
C. Checking the length of the external tubing
D. Aspirating gastric contents and checking pH
Answer: D
Rationale: While X-ray is the gold standard for initial placement, checking the pH of
aspirated gastric contents (usually less than 5) is the most reliable bedside method.
5. Which action by the LPN/LVN is a violation of HIPAA regulations?
A. Giving a report to the oncoming shift in a private area
B. Discarding a client’s printed lab results in a locked shredder bin
C. Discussing a client’s condition with the physician in the hallway
D. Sharing a client’s status with a family member who has the security code
Answer: C
Rationale: Discussing confidential patient information in public areas like hallways where
others can overhear is a violation of HIPAA privacy rules.
, 6. A client is 24 hours postoperative following abdominal surgery. Which nursing
intervention is most effective in preventing atelectasis?
A. Administering PRN pain medication
B. Encouraging the use of an incentive spirometer
C. Maintaining a strictly supine position
D. Restricting fluid intake to 1000 mL per day
Answer: B
Rationale: Incentive spirometry encourages deep breathing and lung expansion, which
helps prevent the collapse of alveoli (atelectasis).
7. Using the Rule of Nines, what percentage of the body is burned if the entire
right arm and the entire right leg are involved?
A. 27%
B. 18%
C. 36%
D. 45%
Answer: A
Rationale: The arm is 9% and the leg is 18%. 9 + 18 = 27%.
8. A nurse is communicating with a client who is feeling anxious. Which
technique is considered therapeutic?
A. Giving advice on how to handle the situation
B. Changing the subject to something more cheerful
C. Asking ‘Why’ the client feels that way
D. Using open-ended questions
Answer: D
Rationale: Open-ended questions encourage the client to express their feelings without
feeling judged or pressured.
1. A nurse is caring for a client with heart failure who is prescribed
spironolactone. Which laboratory value should the nurse monitor closely?
A. Serum sodium
B. Serum magnesium
C. Serum calcium
D. Serum potassium
Answer: D
Rationale: Spironolactone is a potassium-sparing diuretic; therefore, monitoring for
hyperkalemia is essential to prevent cardiac arrhythmias.
2. When mixing regular and NPH insulin in one syringe, which action should the
nurse take first?
A. Draw up the NPH insulin first.
B. Inject air into the NPH insulin vial.
C. Inject air into the regular insulin vial.
D. Draw up the regular insulin first.
Answer: B
Rationale: The correct sequence is to inject air into the NPH (cloudy) vial first, then air
into the regular (clear) vial, then draw up the regular, then draw up the NPH.
,3. A client is receiving digoxin 0.25 mg daily. Which of the following symptoms
would indicate potential digoxin toxicity?
A. Increased appetite
B. Visual disturbances such as yellow halos
C. Increased urinary output
D. Constipation
Answer: B
Rationale: Visual changes, including yellow-green halos or blurred vision, are classic signs
of digoxin toxicity along with nausea and bradycardia.
4. The nurse is preparing to administer an intermittent tube feeding. What is the
most reliable bedside method to confirm NG tube placement?
A. Placing the end of the tube in a cup of water
B. Auscultating air injected into the tube
C. Checking the length of the external tubing
D. Aspirating gastric contents and checking pH
Answer: D
Rationale: While X-ray is the gold standard for initial placement, checking the pH of
aspirated gastric contents (usually less than 5) is the most reliable bedside method.
5. Which action by the LPN/LVN is a violation of HIPAA regulations?
A. Giving a report to the oncoming shift in a private area
B. Discarding a client’s printed lab results in a locked shredder bin
C. Discussing a client’s condition with the physician in the hallway
D. Sharing a client’s status with a family member who has the security code
Answer: C
Rationale: Discussing confidential patient information in public areas like hallways where
others can overhear is a violation of HIPAA privacy rules.
, 6. A client is 24 hours postoperative following abdominal surgery. Which nursing
intervention is most effective in preventing atelectasis?
A. Administering PRN pain medication
B. Encouraging the use of an incentive spirometer
C. Maintaining a strictly supine position
D. Restricting fluid intake to 1000 mL per day
Answer: B
Rationale: Incentive spirometry encourages deep breathing and lung expansion, which
helps prevent the collapse of alveoli (atelectasis).
7. Using the Rule of Nines, what percentage of the body is burned if the entire
right arm and the entire right leg are involved?
A. 27%
B. 18%
C. 36%
D. 45%
Answer: A
Rationale: The arm is 9% and the leg is 18%. 9 + 18 = 27%.
8. A nurse is communicating with a client who is feeling anxious. Which
technique is considered therapeutic?
A. Giving advice on how to handle the situation
B. Changing the subject to something more cheerful
C. Asking ‘Why’ the client feels that way
D. Using open-ended questions
Answer: D
Rationale: Open-ended questions encourage the client to express their feelings without
feeling judged or pressured.
