ATI RN
NCLEX Questions on Oxygenation and Perfusion Questions
Question 1 of 5
There are four catheter sizes available for use, which one of these should you use for Mr. Hamilton?
Correct Answer: A
Rationale: For an adult like Mr. Hamilton, a French 18 catheter is appropriate for suctioning thick secretions effectively without clogging.
Question 2 of 5
Which of the following provides the richest source of Iron per area of their meat?
Correct Answer: C
Rationale: Pork liver is the richest source of heme iron, providing significantly more per serving than other options.
Question 3 of 5
Which among this food is the richest source of Iron?
Correct Answer: C
Rationale: Mongo (mung beans) is a rich plant-based source of iron, higher per serving than the other options.
Question 4 of 5
For every 1 LPM increase in oxygen to a low flow delivery device such as nasal prongs, the approximate FiO₂ will increase by:
Correct Answer: C
Rationale: With nasal prongs, each 1 LPM increase above room air (21%) adds approximately 4% to the FiO₂, so the correct answer is 4%.
Question 5 of 5
Which of the following would be a contraindication to inserting a nasopharyngeal airway?
Correct Answer: C
Rationale: Head trauma, especially with suspected basilar skull fracture, contraindicates nasopharyngeal airway use due to risk of cranial entry.