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ATI RN · ATI Fundamentals · Oxygen Therapy NCLEX Questions

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Showing all 5 practice questions with expert explanatory rationales.

Question 1 of 5

The laboratory has just called with the arterial blood gas (ABG) results on four patients. Which result is most important for the nurse to report immediately to the health care provider?

A. pH 7.34, PaOâ‚‚ 82 mm Hg, PaCOâ‚‚ 40 mm Hg, and Oâ‚‚ sat 97%
B. pH 7.35, PaOâ‚‚ 85 mm Hg, PaCOâ‚‚ 50 mm Hg, and Oâ‚‚ sat 95%
C. pH 7.46, PaOâ‚‚ 90 mm Hg, PaCOâ‚‚ 32 mm Hg, and Oâ‚‚ sat 98%
D. pH 7.31, PaOâ‚‚ 91 mm Hg, PaCOâ‚‚ 50 mm Hg, and Oâ‚‚ sat 96%

Expert Explanatory Rationale

Correct Answer: pH 7.31, PaOâ‚‚ 91 mm Hg, PaCOâ‚‚ 50 mm Hg, and Oâ‚‚ sat 96%

Question 2 of 5

A home care nurse finds a patient lying on the floor. The patient is not breathing. Her response is based on the ABCs of basic life support. What does the B stand for in these initials?

A. blood
B. beware
C. breathing
D. be sure

Expert Explanatory Rationale

Correct Answer: breathing

Question 3 of 5

Which laboratory test is commonly used to assess the clotting status in patients suspected of having a pulmonary embolism?

A. Complete blood count
B. Arterial blood gas
C. D-dimer
D. Troponin levels

Expert Explanatory Rationale

Correct Answer: D-dimer

Question 4 of 5

Which nursing diagnosis is the priority when caring for a patient with a traumatic brain injury who had a tracheostomy placed?

A. Risk for skin breakdown
B. Impaired gas exchange
C. Ineffective airway clearance
D. Risk for infection

Expert Explanatory Rationale

Correct Answer: Impaired gas exchange

Question 5 of 5

A patient hospitalized with chronic obstructive pulmonary disease (COPD) is being discharged home on Oâ‚‚ therapy. Which instruction should the nurse include in the discharge teaching?

A. Travel is not possible with the use of Oâ‚‚ devices.
B. Oâ‚‚ flow should be increased if the patient has more dyspnea.
C. Oâ‚‚ use can improve the patient's prognosis and quality of life.
D. Storage of Oâ‚‚ requires large metals tanks that each last 4 to 6 hours.

Expert Explanatory Rationale

Correct Answer: Oâ‚‚ use can improve the patient's prognosis and quality of life.

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