Reference no: EM133541061
Question
1. List four desirable characteristics of a chemical agent used as an antiseptic or disinfectant.
2. Why does an unopened carton of milk, which has been pasteurized, undergo eventual bacterial degeneration in the refrigerator?
3. Hydrogen peroxide is often used as an antiseptic. Discuss the pros and cons of using this antiseptic.
4. Describe one current event (other than your own) and discuss its importance to the lmmm and or daily life:
5. Why does boiling an item such as a scalpel not sterilized that item?
6. List four microbial entities that are very difficult to kill or inactivate. Be specific.
7. Name four organisms that are "spore formers".
8. Pseudomonas aeruginosa is a dreaded organism, especially on ICU units, burn wards and cancer facilities.
What is the gram reaction of this organism?
Where it found and what is its reservoir?
What are its virulence factors?
Who is most at risk of infection from this microbe?
Jane had unprotected sex with someone she has just met. The next morning, she became
worried that he might have given her a STD. Jane remembers that she has some ciprofloxacin pills leftover from an earlier respiratory tract infection that she did not complete. Should she take the rest of the Cipro prophylactically to prevent a possible STD? Explain why or why not.