Embryology and Pregnancy Development Quiz
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Questions and Answers

Where does fertilization normally take place?

  • Uterus
  • Cervix
  • Fallopian tube (correct)
  • Ovary

    • What is the term used to describe a pregnancy where the fertilized egg implants outside the uterus?

  • Heterotopic pregnancy
  • Ectopic pregnancy (correct)
  • Molar pregnancy
  • Cryptic pregnancy

    • What is the first warning sign of an ectopic pregnancy?

  • Fainting
  • Shoulder pain
  • Light vaginal bleeding and pain (correct)
  • Heavy bleeding inside the abdomen

    • What is the treatment for an early ectopic pregnancy without unstable bleeding?

    <p>Methotrexate</p> Signup and view all the answers

    What is formed in week 2 of development?

    <p>Bilaminar germ disc and amnion</p> Signup and view all the answers

    What is the function of the amnion?

    <p>To surround the entire embryo as a protective membrane</p> Signup and view all the answers

    What is the structure that forms from the epiblast and hypoblast layers?

    <p>Bilaminar germ disc</p> Signup and view all the answers

    What is the name of the region in the future head (cephalic) region where the hypoblast is thickened?

    <p>Prechordal plate</p> Signup and view all the answers

    What happens to the cytotrophoblast cells in further development?

    <p>Undergo mitosis and some are added to the syncytiotrophoblast layer</p> Signup and view all the answers

    What is the name of the medication used to treat early ectopic pregnancy?

    <p>Methotrexate</p> Signup and view all the answers

    What is the name of the life-threatening event caused by the rupture of the fallopian tube?

    <p>Heavy bleeding inside the abdomen</p> Signup and view all the answers

    What is the name of the surgical procedure in which a fiber-optic instrument is inserted through the abdominal wall to view the organs in the abdomen or to permit a surgical procedure?

    <p>Laparoscopy</p> Signup and view all the answers

    What is the name of the layer that lines the inside of the cytotrophoblast and is known as the chorionic plate?

    <p>Extraembryonic mesoderm</p> Signup and view all the answers

    What is the name of the cavity that forms within the extraembryonic mesodermal layer?

    <p>Extraembryonic cavity</p> Signup and view all the answers

    What is the defined length of prematurity?

    <p>Before 37 weeks from the last menstrual period</p> Signup and view all the answers

    When does implantation of the blastocyst occur?

    <p>Day 6-7 after fertilization</p> Signup and view all the answers

    Where does ectopic pregnancy commonly occur?

    <p>Uterine tubes</p> Signup and view all the answers

    What is the main cause of maternal death in the first trimester?

    <p>Ectopic pregnancy</p> Signup and view all the answers

    What is the division of development in utero?

    <p>Germinal, embryonic, fetal</p> Signup and view all the answers

    When does pregnancy begin?

    <p>When the egg is fertilized by the sperm</p> Signup and view all the answers

    What is the length of pregnancy after fertilization?

    <p>266 days</p> Signup and view all the answers

    What is the term for birth after 40 weeks from the last menstrual period?

    <p>Post-term</p> Signup and view all the answers

    What are the symptoms of ectopic pregnancy?

    <p>Missed periods, nausea, and breast swelling</p> Signup and view all the answers

    What is the term for the study of development from fertilization to birth?

    <p>Embryology</p> Signup and view all the answers

    What occurs when the zygote undergoes cleavage?

    <p>Formation of the blastocyst</p> Signup and view all the answers

    What is the occurrence rate of ectopic pregnancy in all pregnancies?

    <p>2%</p> Signup and view all the answers

    Study Notes

    Embryology and Pregnancy Development

    • Embryology is the study of development from fertilization to birth
    • The pregnancy length is about 266 days or 38 weeks after fertilization
    • Prematurity is defined as birth before 37 weeks from the last menstrual period
    • Overdue, or post-term, refers to birth after 40 weeks from the last menstrual period
    • Development in utero is divided into germinal, embryonic, and fetal periods
    • Pregnancy begins when the egg is fertilized by the sperm, forming a zygote
    • The zygote undergoes cleavage, forming a blastocyst with outer and inner cell masses
    • Implantation of the blastocyst occurs in the uterus by day 6-7 after fertilization
    • Ectopic pregnancy occurs when the fertilized egg grows outside the uterus
    • It is most common in uterine tubes and can be life-threatening if left untreated
    • Ectopic pregnancy occurs in about 2% of all pregnancies and is a main cause of maternal death in the first trimester
    • Symptoms of ectopic pregnancy include missed periods, nausea, and breast swelling

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    Fertilization and Implantation PDF

    Description

    Test your knowledge of embryology and pregnancy development with this quiz. Explore the stages of development from fertilization to birth, including the germinal, embryonic, and fetal periods. Learn about the length of pregnancy, prematurity, and overdue births. Gain insight into ectopic pregnancy and its potential complications.

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