Final answer:
Each packet of McD Sanitizer requires 1 liter of water. An antiseptic is used on living tissues to prevent infection and is not as harsh as a disinfectant, which is applied to objects.
Step-by-step explanation:
For proper sanitization, each packet of McD Sanitizer requires 1 liter of water for dilution. This means that if you have a typical water bottle as shown in Figure 3.4.2, which has a capacity of 1 liter, it would be the correct volume of water to use with one packet of sanitizer.
Regarding the substance suitable for use on tissues for microbial control to prevent infection, the correct answer is B. antiseptic. Antiseptics are used on living tissues and skin to reduce the possibility of infection, sepsis, or putrefaction. Disinfectants, on the other hand, are usually too harsh for living tissues and are applied to objects to destroy bacteria.