Which statement describes a disadvantage of using phenolics as disinfectants?

• A. They can bleach fabric and other materials.
• B. They are contraindicated in bladder cancer patients.
• C. They have limited shelf life once prepared.
• D. They are contraindicated in newborn nurseries.

Answer: (D)

Phenolic disinfectants offer strong antimicrobial activity, but they come with notable safety concerns for people, especially vulnerable populations like newborns. Phenols can irritate skin and mucous membranes and may be absorbed through the skin or inhaled as vapors, which can be more harmful to newborns with delicate skin and immature metabolism. Because of this toxicity risk, using phenolics in a newborn nursery is avoided, making that statement a clear disadvantage. The other points don’t capture the same level of risk in that specific setting, so this contraindication in newborn nurseries stands out as the primary concern.