Embryonic Development Stages

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During which period of development do body systems and structures begin to form?

Fetus

Morula

Blastocyst

Embryo (correct)

What is the recommended daily intake of folic acid for pregnant women?

600 micrograms

800 micrograms

200 micrograms

400 micrograms (correct)

During which period is the embryo most vulnerable to major birth defects?

Embryo (correct)

Morula

Blastocyst

Fetus

What is the primary focus of development during the fetal period?

Growth of all major structures Signup and view all the answers

What type of birth defects typically occur during the fetal period?

Small size, mental retardation, and defects in the eyes, ears, and external genitalia Signup and view all the answers

What is the purpose of taking folic acid supplements during pregnancy?

To prevent Spina bifida and anencephaly Signup and view all the answers

During which stage of development is the formation of the bilaminar embryonic disc?

Blastocyst Signup and view all the answers

What is the consequence of teratogen exposure during the blastocyst stage?

Loss of the entire conceptus Signup and view all the answers

What is the timeframe when all major organ systems develop?

Week 3 to 8 Signup and view all the answers

What is the purpose of taking folic acid supplements before conception and for at least 3 months afterward?

To prevent Spina bifida and anencephaly Signup and view all the answers

During which stage are birth defects usually not as severe?

Fetus Signup and view all the answers

What is the result of taking at least 400 micrograms of folic acid daily?

Reduced risk of Spina bifida and anencephaly Signup and view all the answers

Embryonic Development Stages

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Questions and Answers

During which period of development do body systems and structures begin to form?

What is the recommended daily intake of folic acid for pregnant women?

During which period is the embryo most vulnerable to major birth defects?

What is the primary focus of development during the fetal period?

What type of birth defects typically occur during the fetal period?

What is the purpose of taking folic acid supplements during pregnancy?

During which stage of development is the formation of the bilaminar embryonic disc?

What is the consequence of teratogen exposure during the blastocyst stage?

What is the timeframe when all major organ systems develop?

What is the purpose of taking folic acid supplements before conception and for at least 3 months afterward?

During which stage are birth defects usually not as severe?

What is the result of taking at least 400 micrograms of folic acid daily?

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