Lucy Is an 85-Year-Old Woman with the Following Symptoms

question 36

Multiple Choice

Lucy is an 85-year-old woman with the following symptoms.She has tunnel vision in which she can see only in a small area in the middle of the visual field.She can read, but has difficulty seeing objects approach from the side.Your diagnosis?

• A)retinitis pigmentosa
• B)cataracts
• C)macular degeneration
• D)astigmatism

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Definitions:

Rational Function

An expression described as the quotient of two polynomial functions.

Rational Expression

An expression formed by the ratio of two polynomials, essentially a fraction wherein both the numerator and the denominator are polynomials.

Rational Expression

An expression that can be written as a fraction where both the numerator and the denominator are polynomials.

Rational Function

A rational function is a ratio of two polynomials, where the denominator polynomial is not zero, used to describe relations that involve rates of change.