Before Ehrilich Began a Systematic Search for a Chemical to Kill

question 45

Multiple Choice

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

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Definitions:

Blood Loss

The reduction in the volume of blood in the body, which can result from injury, surgery, or a medical condition.

Juxtaglomerular Apparatus

A specialized structure in the kidney involved in blood pressure regulation by secreting renin in response to blood pressure changes.

Efferent Arteriole

An efferent arteriole is a small artery that emerges from the glomerulus in the kidney, carrying filtered blood away from the glomerulus to the capillaries of the kidney tubules.

Angiotensin II

A hormone that causes blood vessels to constrict, resulting in increased blood pressure, and stimulates the release of aldosterone from the adrenal glands.