ATI RN
NCLEX Questions for Oxygenation Questions
Question 1 of 5
In the oxygen cycle, the movement of oxygen takes place within
Correct Answer: D
Rationale: The oxygen cycle involves the atmosphere (air), biosphere (living organisms), and lithosphere (Earth's crust), as oxygen circulates through all these spheres.
Question 2 of 5
Which of the following is considered as the main muscle of respiration?
Correct Answer: C
Rationale: The diaphragm is the primary muscle of respiration, driving inhalation by contracting to increase thoracic volume.
Question 3 of 5
Which of the following is the site of the most important chemical digestion?
Correct Answer: B
Rationale: The small intestine is the primary site of chemical digestion and nutrient absorption due to its enzymes and large surface area.
Question 4 of 5
Among the following foods, which food should you emphasize giving on an Alcoholic client?
Correct Answer: D
Rationale: Alcoholics need thiamine (B1)-rich foods like peanuts, wheat germ, and yeast to prevent Wernicke's encephalopathy.
Question 5 of 5
A terminally ill cancer patient is scheduled for an NGT feeding today. How should you position the patient?
Correct Answer: A
Rationale: Semi-Fowler's position (30-45°) reduces aspiration risk during NGT feeding, suitable for a terminally ill patient.