Certificate In Psychology (CPSY) Practice Exam

What developmental phenomenon indicates significant change within a particular stage of gestation?

1. Embryonic development

2. Fetal development

3. Perinatal development

4. Neonatal development

The correct answer is: Fetal development

Fetal development is the correct answer because it refers to the specific period during gestation that occurs after the embryonic stage, generally starting from the ninth week of pregnancy until birth. This stage is characterized by significant growth and maturation of the developing fetus, including the development of organs and systems that begin to function. It is during this time that rapid physical changes take place, and the fetus develops the ability to respond to external stimuli, which are crucial indicators of gestational progress. The embryonic development phase earlier in gestation involves the formation of the basic structures and systems of the body but does not reflect the same level of complexity or functionality as seen in fetal development. Perinatal development refers to the period shortly before and after birth, which does not capture the significant changes that occur throughout the fetal stage itself. Neonatal development takes place after birth and focuses on the adaptations of the newborn, making it distinct from the in-utero changes that are critical in fetal development.