Which of the following statements is not true of filtration? a. can sterilize he

Question

Which of the following statements is not true of filtration? a. can sterilize heat sensitive liquids 88. b. can sterilize provided the pores are exceedingly small c. kills microbes upon contact d. used in preparation of vaccines, vitamins and drugs e. special filters can be used to trap microbes in ventilation systems An effective method of sterilizing heat sensitive liquid is: a. Autoclaving b. UV radiation c. Tyndallization d. Pasteurization e. Filtration 89. Temperature can control bacteria growth because a. freezing temperature will kill all bacteria. b. hot temperatures above 90°C will denature proteins of most vegetative 90. bacteria except extreme thermophiles. c. Refrigerator temperatures stop the growth of all bacteria. d. No bacteria can live above 80°F. TRUE OR FALSE: Mark A for true and B for false on your scantron 91. In general pasteurized milk is safe and sterile. 92. Ultraviolet radiation is and effective means of sterilization but it is limited to 93. All non spore forming bacteria pathogens can be destroyed by heating them to surfaces. 175°C for 30 minutes. 94. Alcohols are widely used as antiseptics and disinfectants because that are 95. 96. 97. effectively against endospores as well as vegetative cells. Boiling water for a few minutes is sufficient to render it sterile. To sterilize, disinfect, sanitize and or pasteurize, all mean the same thing. Effective hand washing with bar soap can eventually sterilize the hands since most soaps kill bacteria on contact. 98. Low temperature pasteurization does not achieve sterility but does kill pathogen present in the product.

Explanation / Answer

88. The answer is C. Kills microbes upon contact. because it filters the liquid
89. The answer is e. Filetration
90. The answer is b and c.
91. The answer is Ture.
92. The answer is True.

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