I need help with a respiratory care question How often should ventilator circuits be changed for infection control purposes?

Please label the attached picture. I answered some but I dont know if its correct. Thank you.

I need the answer as soon as possible

I need help with number 7

hello there, i need help with the following questions thank you 1. Which of the following is an example of disinfection?       a. Washing the resident's hands with soap and water after toileting   b. Using a wipe to clean the resident's face   c. Cleaning a shower chair with a chemical cleaner   d. Cleaning a resident's bath basin with soap after use 2.  During routine care, a nurse aide will come into contact with microorganisms:     a. Only in high-traffic areas of facility   b. Only during direct contact with residents   c. Only during personal care procedures   d. Every time the NA touches something 3. Which of the following statements about cleaning and disinfecting surfaces in a resident room are true?   Please select all that apply.   [mark all correct answers]   a. You should clean from the dirtiest area to the cleanest area   b. You should clean from high areas to low areas   c. You should follow a consistent cleaning pattern…