Welding in confined spaces and on stainless steel generates hexavalent chromium. Hexavalent chromium is a compound that is generally used in textile dyes and wood preservation.
The statement 'if the Kirby-Bauer assay revealed any zone of inhibition for hydramacin, it means that the organism was sensitive to this novel drug' is False.
<h3>What is the Kirby-Bauer assay?</h3>
The Kirby-Bauer assay is a testing procedure used to determine the sensitivity of aerobic bacteria to certain chemical agents.
The diameter observed in the inhibition zone can be used to determine if the pathogenic microorganism is sensitive to the antibiotic.
Hydramacin is a specific antibiotic used to inhibit the growth of many microorganisms.
Learn more about the Kirby-Bauer assay here:
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Answer: The etiology of the symptoms is the bacterium Bordetella pertussis.
Explanation: Etiology implies the "cause of" or "origin of" a disease. Paroxysmal cough is most commonly caused by the bacterium Bordetella pertussis. The cough is also accompanied by mucus accumulation in the airways. The bacterium infects the respiratory tract of an individual causing consistent coughing and excessive mucus production.
10 down and and 10 acrossed think of it as mulplecation cart 10x10=100
