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HESI LPN · HESI LPN Fundamentals of Nursing · LPN NCLEX Style Questions on Oxygenation

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Showing all 5 practice questions with expert explanatory rationales.

Question 1 of 5

The nurse is caring for a patient with newly diagnosed pulmonary embolism (PE). What is the priority nursing intervention?

A. Administer prescribed anticoagulants.

B. Position the patient supine and apply oxygen.

C. Prepare for chest x-ray and CT scan.

D. Start IV fluids to stabilize blood pressure.

Expert Explanatory Rationale

Correct Answer: Administer prescribed anticoagulants.

Question 2 of 5

Which of the following diuretics is commonly used in the treatment of metabolic alkalosis?

A. Hydrochlorothiazide

B. Furosemide

C. Spironolactone

D. Acetazolamide

Expert Explanatory Rationale

Correct Answer: Acetazolamide

Question 3 of 5

A nurse is caring for a patient with chronic kidney disease (CKD). Which intervention should the nurse prioritize?

A. Administer diuretics.

B. Increase fluid intake.

C. Provide a warm compress to the foot.

D. Administer a platelet inhibitor.

Expert Explanatory Rationale

Correct Answer: Administer diuretics.

Question 4 of 5

A nurse is assessing a patient with suspected tuberculosis. What is the priority diagnostic test?

A. Chest x-ray.

B. Sputum culture.

C. Mantoux test.

D. Complete blood count.

Expert Explanatory Rationale

Correct Answer: Sputum culture.

Question 5 of 5

A client with a history of chronic obstructive pulmonary disease (COPD) is admitted with increased dyspnea. Which laboratory test result requires immediate intervention?

A. Hemoglobin of 15 g/dL.

B. PaO2 of 55 mmHg.

C. pH of 7.35.

D. HCO3 of 24 mEq/L.

Expert Explanatory Rationale

Correct Answer: PaO2 of 55 mmHg.

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