Robert Koch Discovered the Pathogen That Causes Cholera

question 10

Multiple Choice

Robert Koch discovered the pathogen that causes cholera. How?

• A) He was looking for the bacteria that causes anthrax, and he happened to see another kind and was able to use it to infect mice with cholera.
• B) He was visiting India and a doctor there told him about it.
• C) He found it in the feces of cholera patients.
• D) He examined the soil on farms in Ireland.
• E) He became infected himself and found the bacteria in his blood.

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Definitions:

Investment

The allocation of resources, usually money, in expectation of achieving a future return or profit.

Annual Dividend

The total amount of dividends a company pays out to its shareholders each year, usually quoted as an amount per share.

Constant Rate

A stable growth or decline rate over a period, often used in the calculation of interest and financial forecasting.

Discount Rate

This is the interest rate used in discounted cash flow (DCF) analysis to present values of future cash flows back to their value today.