Before Ehrlich Began a Systematic Search for a Chemical to Kill

question 34

Multiple Choice

Before Ehrlich began a systematic search for a chemical to kill specific bacteria,the only chemotherapies available were substances derived from medicinal plants.What distinguished Ehrlich's chemotherapy research

• A)Ehrlich systematically tested hundreds of compounds for their ability to destroy specific bacteria without damaging surrounding tissue.
• B)Ehrlich used metals,such as antimony and mercury to treat diseases.
• C)Ehrlich inoculated his own son with fluid from a cowpox blíster.
• D)Ehrlich introduced cinchona tree bark,a native American remedy to treat malaria.

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Definitions:

Middle-Income Countries

Nations with a per capita gross national income exceeding that of low-income countries but below that of high-income countries, according to the World Bank classification.

Farm Worker

An individual employed in the agricultural sector, primarily involved in the cultivation of crops and raising livestock.

U.S.

A country in North America, known for its significant economic, political, and cultural influence globally.

Productive

The ability of an individual, company, or economy to produce goods or services efficiently.