Among patients and health care personnel, microorganisms are spread to others through four common routes of transmission: contact (direct and indirect), respiratory droplets, airborne spread, and common vehicle.
This patient would be considered a priority since this could be potentially life threatening. The oxygen saturation level needs to be addressed right now. This is an important part of being a medical professional deciding what patients are a priority over others. You would not just go give someone a shower and not do anything for the patient with a low oxygen saturation level.
The first three and the last one are proper etiquette because they are more polite and a nicer way of asking and saying what she likes. We should do this my way and I like all my ideas better can come across as self centered and rude. The last option is a better way of expressing what you like.