At Approximately 15 Weeks After Conception, Cells Move Outward from Their

question 23

Multiple Choice

At approximately 15 weeks after conception, cells move outward from their point of origin to their appropriate locations. This is known as

• A) anencephaly.
• B) spina bifida.
• C) neurogenesis.
• D) neuronal migration.

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Definitions:

Respiratory Distress Syndrome

A medical condition primarily affecting premature infants characterized by difficulty breathing due to insufficient surfactant in the lungs.

Hyaline Membrane Disease

A respiratory disorder primarily in premature infants, characterized by difficulty breathing due to the formation of a glassy membrane in the lungs.

Down Syndrome

A genetic disorder caused by the presence of all or part of a third copy of chromosome 21, characterized by physical growth delays, characteristic facial features, and varying degrees of intellectual disability.

Developmental Lag

A delay in the acquisition of skills or knowledge, typically in comparison to normative developmental milestones.