Which Statement About Koch's Postulates Is INCORRECT

question 11

Multiple Choice

Which statement about Koch's postulates is INCORRECT?

• A) Koch's postulates are a set of rules to identify the microorganism that causes a particular disease.
• B) The microorganism that supposedly causes the disease must be present in all incidences of the disease.
• C) If a microorganism is isolated and purified from a diseased individual and subsequently causes disease symptoms when injected into a healthy host, there is suggestive evidence that the microorganism causes the disease.
• D) Isolation of a microorganism from a diseased individual is sufficient evidence for that organism being the causative agent of the disease.
• E) The final step of Koch' rules is to compare the original pure culture with the culture isolated from the experimentally injected host.

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Definitions:

Milligram

A unit of mass equal to one thousandth of a gram, used in the metric system.

Microgram

A unit of mass in the metric system, equal to one-millionth of a gram.

Milliliters

A unit of volume in the metric system, equal to one thousandth of a liter or about 0.0338 fluid ounces.

Liter

A metric unit of volume equal to 1,000 milliliters or about 0.264 gallons.