Infectious Diseases Are Characterized Often by a Disease Code and an Organism

question 59

True/False

Infectious diseases are characterized often by a disease code and an organism code. When this occurs, it is appropriate to use two codes.

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Definitions:

Quantified Existential

A logical expression that asserts the existence of at least one instance of a certain property or classification.

Open Sentence

An algebraic expression that contains at least one variable and becomes either true or false when specific values are substituted for the variables.

Closed Sentence

In logic and mathematics, a statement or expression that is either always true or always false, containing no free variables.

Constant

A value that does not change in mathematical expressions or in programming, it represents fixed values.