Difficulty: Medium
Average Score: 80%
Simulated
The nurse understands that the major factor affecting oxygenation in a client who has fluid in the lungs is:
Correct answer
B
Rationale
Decreased diffusion of oxygen from the alveoli to the blood is the major factor when fluid is present in the lungs, as it impairs gas exchange. Poor perfusion, low hemoglobin, or reduced oxygen in the air are secondary or unrelated factors in this context.