An Initial Sign of Retinoblastoma in an Infant Is

question 14

Multiple Choice

An initial sign of retinoblastoma in an infant is

• A)the cat's eye reflex.
• B)the red reflex.
• C)the corneal light reflex.
• D)the absence of a blink reflex.
• E)Brushfield spots.

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Definitions:

Ordinal Variable

A categorical, statistical data type where the order of the values is significant, but the difference between them is not necessarily consistent.

Variable

An element, feature, or factor that is liable to vary or change, used in experiments to test hypotheses or build models.

Variable

Any characteristic, number, or quantity that can be measured or counted and can vary among subjects in a study.

Interval

A range between two points or numbers, typically used to specify the extent of a measurement or the difference between numbers.