ATI RN
Oxygenation NCLEX Questions with Rationale Questions
Question 1 of 5
What is true about home O2 therapy for COPD?
Correct Answer: B
Rationale: The use of home O2 improves quality of life and prognosis. Because increased dyspnea may be a symptom of an acute process such as pneumonia, the patient should notify the health care provider rather than increasing the O2 flow rate if dyspnea becomes worse.
Question 2 of 5
What is an atomic number?
Correct Answer: A
Rationale: The atomic number is the number of protons, defining the element; for oxygen, it is 8.
Question 3 of 5
A client wearing a nonrebreather mask wants to eat. What action by the nurse is best?
Correct Answer: A
Rationale: Switching to a nasal cannula maintains oxygen delivery during meals, pending provider approval.
Question 4 of 5
A nurse assesses a client who had a myocardial infarction and has a blood pressure of 88/58 mm Hg. Which additional assessment finding would the nurse expect?
Correct Answer: A
Rationale: Low blood pressure post-myocardial infarction indicates shock, leading to tachycardia (heart rate 120) to compensate.
Question 5 of 5
The nurse is explaining how to assess edema to the nursing students working on the antepartum unit. Which score indicates edema of lower extremities, face, hands, and sacral area?
Correct Answer: D
Rationale: #ERROR!