Which of the Following Makes AIDS a Unique Disease to Humans

question 15

Multiple Choice

Which of the following makes AIDS a unique disease to humans?

• A) It is the only disease that is transferred by blood-to-blood contact.
• B) It is the only disease transferred by male-to-male sexual contact.
• C) It affects only humans.
• D) No other disease causes damage through an attack on a human immune system.

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Definitions:

Nominal Scale

The scale of measurement for a variable when the data are labels or names used to identify an attribute of an element. Nominal data may be nonnumeric or numeric.

Ordinal Scale

A ranking scale used to measure variable where the order of values is significant, but the difference between values is not uniform.

Rank Order

A method of arranging data points based on their value, from highest to lowest or vice versa.

Measurement

The process or the result of determining the size, length, or amount of something, usually according to a set of standard units.