Class 16

Question 1

Name the pathogen, that is uniquely adapted to survive in cooling towers, evaporative condensers. Showerheads and hot water faucets

Answer 1

Legionella Pneumophilia

Question 2

Name Bioaersol controls

Answer 2

Ventilation, Filteration, Biocides, and isolation containment

Question 3

Expand and BSL1 safety lab and identify a pathogen that might be studied in this lab?

Answer 3

Non-pathogenic E. coli. Microbes in these labs are known not to cause disease in healthy adults, miminal hazard. Standard lab safety practices.

Question 4

BSL2 lab and pathogen.

Answer 4

Moderate hazard. Diseases of various severity, such as Staphylococcus aureus. Hood are used, pathogens are not deadly.

Question 5

BSL3, restricted lab

Answer 5

Use of class III cabinets. Microbes are either indigenous or exotic, and can be leather. Example: Mycobacterium tuberculosis. 
Face covering and 2 sets of gloves. Use of N-95. Consists of all categories but Protozoa.

Question 6

BSL4 Lab and pathogen.

Answer 6

Pathogens such as Ebola and Marburg viruses. Most are class 3 viruses. Use of class II safety cabinets. High hazard.

Question 7

Which virus is harder to kill, non-enveloped or enveloped?

Answer 7

Non-enveloped are harder to kill.

Question 8

Rank order of resistance to disinfection. Hardest to easiest.

Answer 8

Prions, Protozoan cysts, Bacterial spores, Non-enveloped (hydrophilic) viruses, Mycobacterium, vegetative bacteria. Easiest to destroy are enveloped viruses.