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HESI LPN · HESI LPN Fundamentals of Nursing · LPN Fundamentals of Nursing Oxygenation Questions

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Showing all 5 practice questions with expert explanatory rationales.

Question 1 of 5

Which finding suggests a patient is experiencing respiratory acidosis?

A. pH 30, PaCO2 50 mmHg
B. pH 45, PaCO2 35 mmHg
C. pH 50, PaCO2 30 mmHg
D. pH 35, PaCO2 40 mmHg

Expert Explanatory Rationale

Correct Answer: pH 30, PaCO2 50 mmHg

Question 2 of 5

The nurse assesses a patient with chronic obstructive pulmonary disease (COPD) who has been admitted with increasing dyspnea over the past 3 days. Which finding is important for the nurse to report to the health care provider?

A. Respirations are 36 breaths/min.
B. Anterior-posterior chest ratio is 1:1.
C. Lung expansion is decreased bilaterally.
D. Hyperresonance to percussion is present.

Expert Explanatory Rationale

Correct Answer: Respirations are 36 breaths/min.

Question 3 of 5

A nurse is preparing to administer an injection of an opioid medication to a client. The nurse draws out 1 ml of the medication from a 2 ml vial. Which of the following actions should the nurse take?

A. Ask another nurse to observe the medication wastage.
B. Notify the pharmacy when wasting the medication
C. Lock the remaining medication in the controlled substances cabinet.
D. Dispose of the vial with the remaining medication in a sharps container.

Expert Explanatory Rationale

Correct Answer: Ask another nurse to observe the medication wastage.

Question 4 of 5

A nurse is caring for a client receiving oxygen therapy through a transtracheal catheter. What is an important nursing consideration for this client?

A. Ensuring the catheter is placed in the client's nostrils
B. Assessing the client's respiratory rate every 15 minutes
C. Monitoring the oxygen flow rate continuously
D. Teaching the client proper coughing and deep breathing techniques

Expert Explanatory Rationale

Correct Answer: Monitoring the oxygen flow rate continuously

Question 5 of 5

The health care provider writes an order for bacteriologic testing for a patient who has a positive tuberculosis skin test. Which action should the nurse take?

A. Teach about the reason for the blood tests.
B. Schedule an appointment for a chest x-ray.
C. Teach the patient about providing specimens for 3 consecutive days.
D. Instruct the patient to collect several separate sputum specimens today.

Expert Explanatory Rationale

Correct Answer: Teach the patient about providing specimens for 3 consecutive days.

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