Answer:
All of the following factors contribute to hospital-acquired infections EXCEPT d. None of the answers is correct.
Step-by-step explanation:
All of these factors may contribute to hospital-acquired infection. Some bacteria metabolize disinfectants, gram-negative bacteria are often resistant to disinfectants, bacteria may be present in commercial products such as mouthwash and it is true that invasive procedures can provide a portal of entry for bacteria. Patients are at high risk.