Correct option is A
Unconscious patients are at high risk of oral infections, plaque buildup, and aspiration pneumonia. Providing oral care every 2 hours helps in reducing microbial colonization and maintaining hygiene. Explanation of options:
· (a) ✔ Provides optimal prevention of infection and dryness.
· (b) ✘ Not frequent enough for high-risk patients.
· (c) ✘ Infrequent, leading to poor hygiene.
· (d) ✘ Insufficient care for unconscious patients.