Human Developmental Stages
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Questions and Answers

What is the term for the stage of development from 56 days after fertilization to birth?

  • Infant
  • Neonate
  • Child
  • Fetus (correct)

What is the origin of the embryonic portion of the placenta?

  • Ectodermal surface of the embryo
  • Trophoblast of the blastocyst (correct)
  • Blastocyst's inner cell mass
  • Neural tube

From which structure does the nervous system develop?

  • Trophoblast
  • Blastocyst
  • Neural tube (correct)
  • Neural crest cells

What is the term for the stage of development from birth to 1 month?

<p>Neonate (D)</p> Signup and view all the answers

What is the origin of neural crest cells?

<p>Developing neural tube (A)</p> Signup and view all the answers

During which stage of development does the neural tube formation occur?

<p>Embryonic stage (D)</p> Signup and view all the answers

What is the role of the trophoblast in prenatal development?

<p>Development of the placenta (D)</p> Signup and view all the answers

What is the origin of the nervous system?

<p>Ectodermal surface of the embryo and neural crest cells (C)</p> Signup and view all the answers

During which stage of development does the fetus receive nutrition and oxygen from the placenta?

<p>Fetal stage (A)</p> Signup and view all the answers

What is the term for the stage of development that spans from puberty to 20 years of age?

<p>Adolescent stage (C)</p> Signup and view all the answers

Study Notes

Stages of Development

  • Fetus: 56 days after fertilization to birth
  • Neonate: birth to 1 month
  • Infant: 1 month to 1 or 2 years
  • Child: 1 or 2 years to puberty
  • Adolescent: puberty to 20 years
  • Adult: 20 years to death

Placenta Development

  • The embryonic portion of the placenta is derived from the trophoblast of the blastocyst

Neural Development

  • The nervous system develops from a neural tube that forms in the ectodermal surface of the embryo
  • Neural crest cells are derived from the developing neural tube
  • Neural crest cells play a role in the formation of the nervous system

Stages of Development

  • Fetus: 56 days after fertilization to birth
  • Neonate: birth to 1 month
  • Infant: 1 month to 1 or 2 years
  • Child: 1 or 2 years to puberty
  • Adolescent: puberty to 20 years
  • Adult: 20 years to death

Placenta Development

  • The embryonic portion of the placenta is derived from the trophoblast of the blastocyst

Neural Development

  • The nervous system develops from a neural tube that forms in the ectodermal surface of the embryo
  • Neural crest cells are derived from the developing neural tube
  • Neural crest cells play a role in the formation of the nervous system

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Description

This quiz covers the different stages of human development, from prenatal development to adulthood. It also touches on embryonic development and the formation of the neural tube and neural crest.

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