In dental offices, the instruments are cleaned in a supersonic bath, then sterilized using UV radiation.  Specifically explain how UV light kills bacteria.

Why does UV light have to be directly exposed and waved around an object that needs to be disinfected and not waved around a bag with the items that need to be disinfected inside of it?

In some hospitals, short wavelength irradiation of patients room is a way to kill pathogens and endospores contaminating surfaces. True or false?

LAB SECTION I WAS PRESENT AND PERFORMED THIS EXERCISE (INITIALS) The Lethal Effect of Ultraviolet Radiation on Microbial Growth OBSERVATIONS AND INTERPRETATIONS Enter your class data below. Score the relative amount of growth on each plate. Use the numbers 0, 1, 2, or 3 (0 is no growth; 3 is abundant growth). Organism B. subtilis 5 seconds Imin 5+ 1 3 minutes 10 minutes 10 seconds 5+ 3min 30 seconds 5min 4+ minute 10min S. aureus 5 + 3 + 4 니- + 2 1 Micrococcus 1 10 sec 4 M 31m 10min 3'ın Questions of this exercise is to demonstrate the comparative effect of UV on two bacterial populations. The purpose This could have been accomplished without the cardboard cover. Why was the cover used? control site 1 Expe SECTION TWO MICROBIAL GROWTH DATA SHEET 2-1

Why is damp dusting so improtant in the Operating Room?

Label both the h&e staining and the Masson trichrome