During which prenatal developmental period do the following changes-rapid weight gain; active movement of arms and legs; face, forehead, eyelids, nose, and chin becoming distinguishable-take place?
germinal
fertilization
embryonic
fetal
The Correct Answer is D
A. germinal: The germinal period (conception to ~2 weeks) involves implantation and rapid cell division but not the fetal movements and weight gain described.
B. fertilization: Fertilization describes the moment of conception only; it does not cover later morphological changes or growth.
C. embryonic: The embryonic period (weeks 3–8) is when major organs and basic structures form (organogenesis), but the marked weight gain and clearly distinguishable facial features occur later.
D. fetal: The fetal period (week 9 to birth) is characterized by rapid growth, active limb movements, and increasingly distinguishable facial features (face, eyelids, nose, chin).
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Related Questions
Correct Answer is {"dropdown-group-1":"B"}
Explanation
A. Neglectful: Neglectful (uninvolved) parenting is low in both demands and involvement, so it does not encourage independence with verbal exchange.
B. Authoritative: Authoritative parenting balances reasonable limits with warmth and open verbal exchange, promoting self-control and achievement in children.
C. Dictating: “Dictating” is not a standard parenting category; it implies one-way control rather than the two-way communication described.
D. Authoritarian: Authoritarian parents are high in demands but low in responsiveness and verbal give-and-take, so they do not foster independence in the same way.
Correct Answer is {"dropdown-group-1":"A"}
Explanation
A. biological: Genes, brain maturation, and effects of exercise are biological/physiological processes that directly shape physical and neurological development.
B. socioemotional: Socioemotional processes involve emotions, social relationships, and personality development rather than inherited genes or physiological brain growth.
C. historical: Historical processes refer to cohort- or era-based influences (history-graded), not individual genetic or neurobiological factors.
D. cognitive: Cognitive processes relate to thinking and information processing; while brain development supports cognition, the listed items are primarily biological influences.
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