I have some strange questions can any1 give good answers?

1) Generally soap and water is enough to dissolve blood and wash it away. If you have blood on you, you will also want a disinfectant, such as bleach, hydrogen peroxide, or the alcohol found in water-free hand rinse.

2. The x-ray machines in airports are much more powerful. X-rays are inherently harmful to humans, so the dosage used in hospitals are much lower than those used in airports.

3. Probably none. Likely, neither would anyone's bed sheets. Remember that what is found is often a residue, a protein, after washing the sheets in bleach.

For both 1 and 3, I think it is a matter of degrees.

Eventually you wash long enough to remove the trace amounts from your skin. The soap and water cleans you and makes you safe. There are just small amounts of inert material left behind.

As for the body fluids, again there are amounts of inert material left after cleaning / washing. There is almost nothing that can be done to completely eliminate them.

The luggage machines are indeed similar (to my knowledge) to hospital X-ray machines, but again it is a matter of degrees. The airport ones are significantly stronger.

washing your hands with water and soap will get rid of blood but uv rays can spot them out. only bleach can clean the stain completely

they machines are similar in context and function.. but the ones at the airport have stronger rays... at the hospital the intensity of the rays is moderate so as not to cause cancer

Not many hotels would pass. they only do it in tv drama or in the case of a crime..

your questions are very good. Hope i answereed you well.

good luck

1. Not entirely; but it's good for killing the micro-organisms, which is the point of the exercise.

2. They are mostly gigantic x-ray machines, the size of a mini-van in some cases. Here are a couple of articles:

http://www.usatoday.com/travel/news/2005-10-30-air...

http://www.cnn.com/TECH/9607/20/high.tech.security...

3. Depends on what standard of cleanliness you expect; but they are for-profit enterprises, not hospitals, and can only expend so much effort and staff time per room.