ATI LPN
Assessment Nursing Questions Questions
Question 1 of 5
A client has hypoxemia of pulmonary origin. What portion of arterial blood gas results is most useful in distinguishing acute respiratory distress syndrome from acute respiratory failure?
Correct Answer: A
Rationale: PaO2 (A) measures oxygenation; ARDS shows severe hypoxemia (low PaO2) despite oxygen therapy, unlike acute respiratory failure, which may involve CO2 retention (B) or pH changes (C).
Question 2 of 5
Cystic fibrosis is diagnosed by ....
Correct Answer: B
Rationale: The sweat test (B) diagnoses cystic fibrosis by detecting elevated chloride levels, a hallmark of the disease.
Question 3 of 5
Lactation provides contraception for
Correct Answer: C
Rationale: Lactation amenorrhea provides contraception for up to 90 days (C) postpartum if breastfeeding is exclusive, delaying ovulation.
Question 4 of 5
The nurse is caring for a client who had a total hip replacement 24 hours ago. Which action should the nurse take to prevent dislocation of the prosthesis?
Correct Answer: B
Rationale: Keeping the affected leg in a neutral position (B) prevents hip dislocation post-replacement. Sitting (A) or lying flat (D) risks adduction, and active ROM (C) is too early.
Question 5 of 5
A client with a burn injury is receiving silver sulfadiazine cream. Which laboratory value should the nurse monitor?
Correct Answer: A
Rationale: Silver sulfadiazine can cause leukopenia; monitoring WBC count (A) is key. Potassium (B), glucose (C), and platelets (D) are less affected.