Which method is preferred for sterilizing a heat-sensitive serum solution?
Correct answer: B. Membrane filtration
- A. Dry heat sterilization
- B. Membrane filtration
- C. Flaming over a burner
- D. Boiling for ten minutes
Explanation
Membrane filtration removes bacteria from heat-sensitive liquids without exposing the serum to damaging temperatures. Dry heat, flaming and boiling may alter serum proteins and may not reliably remove all microbial forms.
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About Veterinary Microbiology and Immunology
Covers the structure, classification, growth and transmission of bacteria, viruses, fungi and other disease causing microorganisms in animals. It explains innate and acquired immunity, antibodies, antigens, vaccination, hypersensitivity and diagnostic methods, while distinguishing infectious agents from the immune responses they produce.
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