11. Preservation of foods by using salts and sugars works by

A. raising pH
B. lowering osmotic pressure
C. creating a hypertonic environment
D. creating a hypotonic environment

12. Which of the following items could be sterilized by dry heat sterilization?

A. Intravenous (IV) solution
B. Plastic IV bags
C. Glass pipettes
D. rubber gloves

13. Which of the following does not kill endospores?

A. Autoclave
B. Incineration
C. Hot air sterilization
D. Pasteurization

14. Which disinfectant was the most effective against Salmonella“?

A. Phenol
B. Cetylpyridinium chloride
C. Hexachlorophene
D. Merthiolate

15. If a canning procedure is not properly followed, which type of microbe is most likely to grow in the canned food?

A. Obligate Aerobe
B. Acidophile
C. Mesophile
D. Obligate Anaerobe