48 Questions
During which stage of pregnancy does organogenesis occur?
Embryo stage
Which hormone is produced by the syncytiotrophoblast during implantation and placentation?
HCG
At what stage of pregnancy does the zygote implant inside the endometrial bed?
Day 7 of fertilization
During organogenesis, which of the following is formed from the mesoderm?
Bones
Which of the following is a teratogen that can alter organogenesis?
Rubella infection
What is the most sensitive period of organogenesis for the development of anomalies?
15th to 50th day of pregnancy
Which of the following is NOT a potential consequence of abnormal implantation during pregnancy?
Gestational trophoblastic disease
During gastrulation, which of the following germ layers gives rise to the nervous system?
Ectoderm
Which of the following organs/systems is NOT formed during the organogenesis stage of pregnancy?
Liver
Which of the following is the correct order of differentiation during embryonic development?
Ectoderm, mesoderm, endoderm
Which of the following is the correct definition of blastocyst?
A stage of development after implantation
Which of the following is the correct definition of primordial ridge?
The differentiation of the ectoderm, mesoderm, and endoderm
Which of the following is NOT a consequence of abnormal implantation during pregnancy?
Gestational trophoblastic disease
Which of the following is NOT formed during the organogenesis stage of pregnancy?
Cartilages
Which of the following is NOT a teratogen that can alter organogenesis?
Folate deficiency
Which of the following is the correct order of differentiation during embryonic development?
Ectoderm, endoderm, mesoderm
Which of the following is NOT a potential consequence of abnormal implantation during pregnancy?
Preterm labor
Which hormone is NOT produced by the syncytiotrophoblast during implantation and placentation?
Progesterone
During which stage of pregnancy does the zygote implant inside the endometrial bed?
Week 1 to 3
Which of the following is NOT a hormone produced by the syncytiotrophoblast during implantation and placentation?
Progesterone
During organogenesis, which of the following is formed from the ectoderm?
Nervous system
Which of the following is NOT a potential consequence of abnormal implantation during pregnancy?
Gestational trophoblastic disease
During organogenesis, which of the following is NOT formed from the mesoderm?
Respiratory/GIT endothelium
Which of the following is NOT a teratogen that can alter organogenesis?
Folic acid deficiency
During which stage of pregnancy does the formation of major organ systems occur?
5-6 weeks
Which of the following is NOT formed from the ectoderm during organogenesis?
Bones
Which of the following is NOT a potential consequence of abnormal implantation during pregnancy?
Pre eclampsia
During which stage of pregnancy does the zygote implant inside the endometrial bed?
First trimester
Which of the following is NOT a potential consequence of abnormal implantation during pregnancy?
Gestational trophoblastic disease
Which hormone is produced by the syncytiotrophoblast during implantation and placentation?
Human chorionic gonadotropin (HCG)
During which stage of pregnancy does the formation of major organ systems occur?
Embryo stage
Which of the following is a potential consequence of abnormal implantation during pregnancy?
Formation of major organ defects
Which hormone is NOT produced by the syncytiotrophoblast during implantation and placentation?
Progesterone
Which of the following is NOT a potential consequence of abnormal implantation during pregnancy?
Gestational trophoblastic disease
During organogenesis, which of the following is NOT formed from the mesoderm?
Liver
Which of the following is a teratogen that can alter organogenesis?
Folic acid supplementation
Which of the following is NOT a potential consequence of abnormal implantation during pregnancy?
Gestational trophoblastic disease
During which stage of pregnancy does organogenesis occur?
4-8 weeks
Which of the following is a teratogen that can alter organogenesis?
Lithium
During which stage of pregnancy does the formation of major organ systems occur?
First 8 weeks of conception
Which of the following is a potential consequence of abnormal implantation during pregnancy?
Uncontrolled proliferation of syncytiotrophoblast
During organogenesis, which of the following is NOT formed from the mesoderm?
Nervous system
During which stage of pregnancy does the formation of major organ systems occur?
Embryo
Which of the following is NOT a hormone produced by the syncytiotrophoblast during implantation and placentation?
Progesterone
Which of the following is a teratogen that can alter organogenesis?
Alcohol
During which stage of pregnancy does the formation of major organ systems occur?
First trimester
Which of the following is NOT a potential consequence of abnormal implantation during pregnancy?
Gestational diabetes
Which of the following is a teratogen that can alter organogenesis?
Smoking
Test your knowledge of the physiology of fertilization, implantation, and organogenesis with this quiz by Dr. Sathisha Nayak. Learn about key definitions, gametogenesis, fertilization, implantation/placentation, and the development of the embryo, including differentiation of ectoderm, mesoderm, and endoderm, as well as the development of the cardiovascular and genitourinary systems.
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