NCLEX-RN Practice Exam Questions And
Correct Answers (Verified Answers) Plus
Rationales 2025|2026 Q&A | Instant
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1. A client with COPD is receiving oxygen at 6 L/min via nasal cannula.
Which action should the nurse take?
a. Continue oxygen at 6 L/min
b. Reduce oxygen to 2 L/min
c. Switch to a non-rebreather mask
d. Place client in Trendelenburg position
Rationale: COPD patients rely on hypoxic drive; high oxygen flow
may suppress respirations. Low-flow oxygen (1–2 L/min) is
recommended.
2. A client with heart failure has 3+ pitting edema and dyspnea. Which
medication should the nurse anticipate?
a. Acetaminophen
, b. Potassium chloride
c. Furosemide
d. Morphine sulfate
Rationale: Furosemide, a loop diuretic, reduces fluid overload,
decreases edema, and relieves dyspnea.
3. A client with type 1 diabetes reports shakiness, sweating, and blurred
vision. What should the nurse do first?
a. Notify the provider
b. Administer insulin
c. Give 15 g of simple carbohydrate
d. Start IV fluids
Rationale: Symptoms indicate hypoglycemia. Immediate treatment is
giving glucose (15 g carbohydrate).
4. A nurse administers digoxin. Which assessment is most important
before giving the dose?
a. Respiratory rate
b. Blood pressure
c. Apical pulse
d. Oxygen saturation
Rationale: Digoxin slows AV conduction. Hold if apical pulse <60
bpm.
5. Which client should the nurse see first?
a. A client with chronic back pain
, b. A client scheduled for discharge teaching
c. A client with new onset chest pain
d. A client requesting assistance to the bathroom
Rationale: Chest pain suggests myocardial infarction. This is a
priority.
6. A nurse cares for a client receiving warfarin. Which lab value is most
important?
a. Hemoglobin
b. Platelets
c. INR
d. Potassium
Rationale: Warfarin therapy effectiveness is monitored by INR
(therapeutic 2–3).
7. A client with pneumonia has thick secretions. What nursing action is
priority?
a. Encourage bed rest
b. Increase fluid intake
c. Limit oral intake
d. Place in prone position
Rationale: Hydration thins secretions and promotes airway
clearance.
8. A client with suspected tuberculosis is placed on which precautions?
a. Contact
, b. Droplet
c. Airborne
d. Standard only
Rationale: TB spreads via airborne particles. N95 mask and negative-
pressure room required.
9. A nurse is reinforcing teaching about nitroglycerin tablets. Which
statement indicates understanding?
a. “I should swallow the pill immediately.”
b. “I will place the pill under my tongue.”
c. “I should take the pill with food.”
d. “I will store the pills in the bathroom.”
Rationale: Sublingual nitroglycerin works fastest when absorbed
under the tongue.
10. A client on lithium therapy reports excessive thirst and tremors.
What is the nurse’s action?
a. Reassure the client
b. Give extra fluids
c. Notify the provider
d. Administer PRN acetaminophen
Rationale: Thirst and tremors may indicate lithium toxicity, requiring
provider notification.
Correct Answers (Verified Answers) Plus
Rationales 2025|2026 Q&A | Instant
Download Pdf
1. A client with COPD is receiving oxygen at 6 L/min via nasal cannula.
Which action should the nurse take?
a. Continue oxygen at 6 L/min
b. Reduce oxygen to 2 L/min
c. Switch to a non-rebreather mask
d. Place client in Trendelenburg position
Rationale: COPD patients rely on hypoxic drive; high oxygen flow
may suppress respirations. Low-flow oxygen (1–2 L/min) is
recommended.
2. A client with heart failure has 3+ pitting edema and dyspnea. Which
medication should the nurse anticipate?
a. Acetaminophen
, b. Potassium chloride
c. Furosemide
d. Morphine sulfate
Rationale: Furosemide, a loop diuretic, reduces fluid overload,
decreases edema, and relieves dyspnea.
3. A client with type 1 diabetes reports shakiness, sweating, and blurred
vision. What should the nurse do first?
a. Notify the provider
b. Administer insulin
c. Give 15 g of simple carbohydrate
d. Start IV fluids
Rationale: Symptoms indicate hypoglycemia. Immediate treatment is
giving glucose (15 g carbohydrate).
4. A nurse administers digoxin. Which assessment is most important
before giving the dose?
a. Respiratory rate
b. Blood pressure
c. Apical pulse
d. Oxygen saturation
Rationale: Digoxin slows AV conduction. Hold if apical pulse <60
bpm.
5. Which client should the nurse see first?
a. A client with chronic back pain
, b. A client scheduled for discharge teaching
c. A client with new onset chest pain
d. A client requesting assistance to the bathroom
Rationale: Chest pain suggests myocardial infarction. This is a
priority.
6. A nurse cares for a client receiving warfarin. Which lab value is most
important?
a. Hemoglobin
b. Platelets
c. INR
d. Potassium
Rationale: Warfarin therapy effectiveness is monitored by INR
(therapeutic 2–3).
7. A client with pneumonia has thick secretions. What nursing action is
priority?
a. Encourage bed rest
b. Increase fluid intake
c. Limit oral intake
d. Place in prone position
Rationale: Hydration thins secretions and promotes airway
clearance.
8. A client with suspected tuberculosis is placed on which precautions?
a. Contact
, b. Droplet
c. Airborne
d. Standard only
Rationale: TB spreads via airborne particles. N95 mask and negative-
pressure room required.
9. A nurse is reinforcing teaching about nitroglycerin tablets. Which
statement indicates understanding?
a. “I should swallow the pill immediately.”
b. “I will place the pill under my tongue.”
c. “I should take the pill with food.”
d. “I will store the pills in the bathroom.”
Rationale: Sublingual nitroglycerin works fastest when absorbed
under the tongue.
10. A client on lithium therapy reports excessive thirst and tremors.
What is the nurse’s action?
a. Reassure the client
b. Give extra fluids
c. Notify the provider
d. Administer PRN acetaminophen
Rationale: Thirst and tremors may indicate lithium toxicity, requiring
provider notification.
