Unless you sterilized the bottle it will still have bacteria in it no mater how well you wash it.
Don't let that freak you out because there are bacterial on your hands and lips and even in your mouth so it is not possible to eat or drink without swallowing some bacteria. (Only around 1% of bacteria is harmful to humans)
by getting it washed out so all dirt/bacteria can be washed out.Also by being properly taken care of.
common skin bacteria could make someone ill because it could cause infections for example someone might not of washed their hands properly.
Yes, you can reuse the same bottle for multiple feedings as long as it is properly cleaned and sanitized between uses to prevent bacteria growth and ensure the baby's health and safety.
You do not " get " them, but gram positive bacteria are gram positive because their cell wall is of sufficient thickness and properly constructed to hold the Gram stain. They have one thick wall of peptidoglycan that holds the stain against being washed away. Gram negative bacteria have two thinner walls which allow the stain to be washed away, basically.
to protect it from germs or bacteria
Urine can become a health hazard if left in a bottle for more than 24 hours, as bacteria can multiply and potentially cause infections. It is best to dispose of urine properly and not store it in a bottle for an extended period of time.
if you want to be safe, every day or so
Immobilizing the bacteria on a slide prior to staining helps prevent them from being washed away during the staining process. This ensures that the bacteria remain in place and are properly situated for observation under the microscope. It also helps to maintain the integrity of the sample and improve the accuracy of the staining results.
it is stuffed
To get it thoroughly clean, you need to empty what was in it first. Then you need to take warm water and fill the bottle. Let it soak for a few minutes to an hour depending on how clean you want it. After it just pore the water out and voilà!
A lot.
When urine sits in a bottle, it can start to break down and develop a strong odor due to the growth of bacteria. Additionally, the color of the urine may change over time. It is important to properly dispose of urine to prevent any potential health risks.