Which of the following skin disinfectant(s) is/are most frequently used? Isoprop

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Question
Which of the following skin disinfectant(s) is/are most frequently used?
Options
A. Isopropyl alcohol
B. Ethyl alcohol
C. Both (a) and (b)
D. none of these

Correct Answer

Both (a) and (b)

Physical and Chemical Agents problems

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1. Which of the following disinfectants act by disrupting microbial membranes?
Options
A. Cationic detergents
B. Halogens
C. Heavy metals
D. Aldehydes

Discuss

Correct Answer: Cationic detergents

2. If a canning procedure is not properly followed, which type of microbe is most likely to grow in the canned food?
Options
A. Obligate Aerobe
B. Acidophile
C. Mesophile
D. Obligate Anaerobe

Discuss

Correct Answer: Obligate Anaerobe

3. Which of the following compounds are commonly used as general antiseptics to treat cuts and scratches?
Options
A. Aldehydes
B. Ethylene oxide
C. Halogens
D. None of these

Discuss

Correct Answer: Halogens

4. Which of the following is best used for long term storage of microbial samples when carried out properly?
Options
A. Storage in a freezer at -10�C
B. Storage in a freezer at ultra low temperatures (-70�C)
C. Storage in a refrigerator on an agar slant
D. Storage on a petri plate at room temperature

Discuss

Correct Answer: Storage in a freezer at ultra low temperatures (-70�C)

5. Complete destruction of the microorganisms is commonly known as
Options
A. disinfection
B. sterilization
C. antisepsis
D. none of these

Discuss

Correct Answer: antisepsis

6. Which of the following methods will not sterilize?
Options
A. Aqueous glutaraldehyde for 10 hours
B. Dry heat at 171�C for 1 to 2 hours
C. 121�C at 15 lb/in pressure for 15 to 20 minutes
D. 100�C boiling water for 30 minutes

Discuss

Correct Answer: 100�C boiling water for 30 minutes

7. Which of the following articles can be sterilized in an autoclave?
Options
A. Gloves
B. Culture media
C. Dressing material
D. All of these

Discuss

Correct Answer: All of these

8. Media containing spores and thermolabile constituents are sterilized by
Options
A. pasteurization
B. UV radiation
C. dry heat
D. tyndalization

Discuss

Correct Answer: UV radiation

9. Which of the following material is sterilized by use of red heat?
Options
A. Soiled dressings
B. Inoculating wires and loops
C. Glass slides
D. All-glass syringes

Discuss

Correct Answer: Inoculating wires and loops

10. Which disinfectant would be most effective against Staphylococcus found in a blood spill?
Options
A. Phenol
B. Cetylpyridinium chloride
C. Hexachlorophene
D. None of these

Discuss

Correct Answer: None of these

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Which of the following skin disinfectant(s) is/are most frequently used?

Physical and Chemical Agents problems

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