Final answer:
The correct answer is D. Using force to separate the upper and lower teeth with a tongue blade is incorrect when providing mouth care to an unconscious person.
Step-by-step explanation:
The correct answer is D. With the tongue blade, use force to separate the upper and lower teeth.
When providing mouth care to an unconscious person, it is essential to ensure their comfort, safety, and privacy. This includes actions such as providing privacy, placing a towel under the person's face to catch any fluids, and using a kidney basin to collect any waste. However, using force to separate the upper and lower teeth with a tongue blade is incorrect.
Learn more about Mouth care for unconscious individuals