Difficulty: Medium
Average Score: 71%
Simulated
The nursing assessment finding that represents the most serious indication of a client's deteriorating oxygenation status is:
Correct answer
C
Rationale
Cyanosis, a bluish discoloration, indicates severe hypoxemia and is the most serious sign of deteriorating oxygenation. Pursed-lip breathing and clubbing are compensatory or chronic signs, and poor skin turgor reflects dehydration, not oxygenation.