Physical and Chemical Agents – Section 1

6. Which of the following is not a disinfectant containing a heavy metal?

A. Silver nitrate
B. Mercurochrome
C. Copper sulfate
D. Chlorine

Correct Answer: D. Chlorine

7. Which is the most important surface active disinfectants?

A. Amphoteric compounds
B. Cationic compounds
C. Non-ionic compounds
D. Anionic compounds

Correct Answer: B. Cationic compounds

8. Which disinfectant would be most effective against Staphylococcus found in a blood spill?

A. Phenol
B. Cetylpyridinium chloride
C. Hexachlorophene
D. None of these

Correct Answer: D. None of these

9. Which of the following substances can sterilize?

A. Alcohol
B. Cetylpyridinium chloride
C. Ethylene oxide
D. Chlorine

Correct Answer: C. Ethylene oxide

10. Milk is pasteurized in the batch method by keeping it at

A. 63°C for 30 minutes
B. 72°C for 60 seconds
C. 73°C for 30 minutes
D. 72°C for 6 minutes

Correct Answer: A. 63°C for 30 minutes

Warning: Undefined variable $in_same_cat in /www/wwwroot/mtexam.com/public_html/wp-content/plugins/EXP.GKFEED.COM/function.php on line 27

Warning: Undefined variable $excluded_categories in /www/wwwroot/mtexam.com/public_html/wp-content/plugins/EXP.GKFEED.COM/function.php on line 27

Leave A Comment?