The concept of aseptic technique was introduced by
Louis Pasteur
Joseph Lister
Robert Koch
Robert Hook
The Correct Answer is B
A. Louis Pasteur: Pasteur contributed germ theory and pasteurization, helping establish the scientific basis for asepsis, but he did not introduce the surgical aseptic technique.
B. Joseph Lister: Lister introduced antiseptic surgical methods (using carbolic acid) and promoted practices that evolved into modern aseptic technique.
C. Robert Koch: Koch developed methods to culture and identify bacteria and formulated Koch’s postulates, advancing microbiology but not the initial surgical aseptic practice.
D. Robert Hook: Hooke made early microscopic observations (cells) but was not responsible for developing aseptic surgical technique.
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Related Questions
Correct Answer is D
Explanation
A. Alga: Many algae are microscopic (microalgae) and are considered microorganisms.
B. Bacterium: Bacteria are classic microorganisms.
C. Protozoan: Protozoa are single-celled eukaryotes and are microorganisms.
D. Flea: Fleas are multicellular arthropods visible to the naked eye and are not classified as microorganisms.
Correct Answer is A
Explanation
A. Refers to the spontaneous generation of organism from nonliving matter: Abiogenesis historically denotes the idea that life can arise spontaneously from nonliving material.
B. Explain the development of life forms from preexisting life forms: This describes biogenesis -the concept that life arises from existing life.
C. Only takes place in the absence of aseptic technique: Abiogenesis is a hypothesis about origins of life, not a lab event that simply depends on aseptic technique.
D. Was supported by Pasteur's swan-necked flask experiments: Pasteur’s swan-neck flask experiments actually refuted the spontaneous-generation idea under the conditions tested, so they did not support abiogenesis.
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