ATI RN
Chapter 41 Oxygenation NCLEX Questions Questions
Question 1 of 5
What is the oxygen cycle?
Correct Answer: A
Rationale: The oxygen cycle is defined as the movement of oxygen from the atmosphere through processes like photosynthesis and respiration, maintaining atmospheric oxygen levels.
Question 2 of 5
Which of the following is TRUE about Expiration?
Correct Answer: A
Rationale: Expiration is typically a passive process at rest, relying on the elastic recoil of the lungs and chest wall rather than active muscle effort.
Question 3 of 5
Which of the following foods lowers the cardiac sphincter pressure?
Correct Answer: D
Rationale: Fatty foods and caffeine (e.g., coffee with coffee mate, bacon) lower cardiac sphincter pressure, increasing reflux risk.
Question 4 of 5
A client taking Coumadin is to be educated on his diet. As a nurse, which of the following food should you instruct the client to avoid?
Correct Answer: A
Rationale: Green leafy vegetables and liver are high in Vitamin K, which antagonizes Coumadin (warfarin), reducing its anticoagulant effect.
Question 5 of 5
Which of the following is correct in NGT feeding?
Correct Answer: B
Rationale: The feeding height of 12 inches ensures a slow, safe infusion rate via gravity, preventing complications.