Where Do Individual Ridge Patterns on the Fingertips and Thumb

question 9

Multiple Choice

Where do individual ridge patterns on the fingertips and thumb originate?

• A) Subcutaneous adipose layer
• B) Keratin layer
• C) Dermis
• D) Epidermis

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Definitions:

Object Permanence

The understanding that objects continue to exist even when they cannot be seen, heard, or touched, a developmental milestone in children.

Tertiary Circular Reactions

Tertiary circular reactions, a concept from Piaget's stages of development, refer to the experimental and repetitive actions of infants aged 12 to 18 months to explore the properties of objects.

Secondary Circular Reactions

The repetition of actions that produce an effect on the environment.

Wernicke's Aphasia

A neurological condition characterized by impaired language comprehension and fluency, resulting from damage to Wernicke's area in the brain.