A 2-Year-Old Male Presented with Growth and Maturation Retardation and Splenomegaly.He

question 6

Multiple Choice

A 2-year-old male presented with growth and maturation retardation and splenomegaly.He died shortly after arriving at the ER.Autopsy revealed thalassemia secondary to defective:

• A) erythrocyte membranes.
• B) iron metabolism.
• C) stem cell formation.
• D) hemoglobin synthesis.

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Definitions:

Goal-Directed Behavior

Behavior in which several schemes are combined and coordinated to generate a single act to solve a problem.

Secondary Circular Reactions

A stage in Piaget's theory of cognitive development where infants (4-8 months) repeat pleasurable actions that are centered on their own body.

Primary Circular Reactions

Repetitive actions focused on the body that infants engage in for pleasure, part of Piaget’s stages of cognitive development.

Schema

A cognitive framework or concept that helps organize and interpret information, based on past experiences and knowledge.