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MICROBIOLOGY STUDY QUESTIONS AND THEIR ANSWERS FOR REVISION

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One of the earliest researchers to explore the use of chemicals to kill microbial pathogens was Koch. Hooke. Fleming. Ehrlich. Ehrlich The arsenic compound that proved highly effective in treating syphilis was called penicillin. sulfa. erythromycin. Salvarsan Salvarsan The first exa...

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  • October 22, 2024
  • 32
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
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MICROBIOLOGY STUDY QUESTIONS AND
THEIR ANSWERS FOR REVISION

One of the earliest researchers to explore the use of chemicals
to kill microbial pathogens was

Koch.
Hooke.
Fleming.
Ehrlich.
Ehrlich
The arsenic compound that proved highly effective in treating
syphilis was called

penicillin.
sulfa.
erythromycin.
Salvarsan
Salvarsan
The first example of an antimicrobial drug synthesized in the
laboratory was

penicillin.
sulfa.

,erythromycin.
Salvarsan.
Salvarsan
Prontosil effectively acted on streptococci when the drug was
split by enzymes to produce

penicillin.
sulfanilamide.
erythromycin.
Salvarsan.
sulfanilamide.
The use of Salvarsan and Prontosil to treat microbial infections
were early examples of
antibiotics.
toxins.
inhibitors.
chemotherapy.
chemotherapy.
Penicillin was discovered by

Koch.
Hooke.
Fleming.
Ehrlich.
Fleming

,The most effective form of penicillin is

A.
B.
E.
G.
G
One of the earliest antimicrobials isolated from a bacterium was

penicillin.
ampicillin.
Salvarsan.
streptomycin.
streptomycin
Which of the following groups of microorganisms produces
antibiotics?

a. Penicillium

b. Streptomyces

c. Bacillus

d. All of the choices are correct.

e. Penicillium AND Streptomyces

, All of the choices are correct
An antibiotic made by microorganisms and modified by
chemists is called

anti-metabolic.
catabolic.
synthetic.
semi-synthetic.
semi-synthetic
The antimicrobials produced by some molds and bacteria are
generally called

insecticides.
biocides.
antiseptics.
antibiotics.
antibiotics
The toxicity of a given drug is expressed as the

selective toxicity.
biocide index.
biostatic index.
therapeutic index.
therapeutic index

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