Podcast
Questions and Answers
What is the primary function of the trophoblast during implantation?
What is the primary function of the trophoblast during implantation?
- To form the epithelial lining of digestive tracts
- To differentiate into the three primary germ layers
- To secrete enzymes for penetrating the endometrium (correct)
- To form the embryoblast
Which extraembryonic membrane is responsible for forming the primitive gut?
Which extraembryonic membrane is responsible for forming the primitive gut?
- Allantois
- Amnion
- Chorion
- Yolk sac (correct)
What is the name of the space filled with amniotic fluid that absorbs shocks?
What is the name of the space filled with amniotic fluid that absorbs shocks?
- Amniotic cavity (correct)
- Yolk sac
- Allantoic sac
- Chorionic villi
Which germ layer forms the muscles and bone tissue?
Which germ layer forms the muscles and bone tissue?
During which day range does the implantation process typically complete?
During which day range does the implantation process typically complete?
What is the primary function of the extraembryonic membranes?
What is the primary function of the extraembryonic membranes?
During which stage of embryonic development do the three germ layers form?
During which stage of embryonic development do the three germ layers form?
What is the term for the process by which the embryo implants into the uterine lining?
What is the term for the process by which the embryo implants into the uterine lining?
What is the structure that develops from the trophoblast and serves as the interface between the mother and the fetus?
What is the structure that develops from the trophoblast and serves as the interface between the mother and the fetus?
What is the number of chromosomes present in the secondary oocyte formed after meiosis I?
What is the number of chromosomes present in the secondary oocyte formed after meiosis I?
How long are secondary oocytes viable for after ovulation?
How long are secondary oocytes viable for after ovulation?
What is the role of prostaglandins in the fertilization process?
What is the role of prostaglandins in the fertilization process?
What is the result of the fusion of the sperm and ovum nuclei during fertilization?
What is the result of the fusion of the sperm and ovum nuclei during fertilization?
What is the approximate time it takes for a sperm to reach the uterine tubes?
What is the approximate time it takes for a sperm to reach the uterine tubes?
What is the number of chromosomes present in a zygote?
What is the number of chromosomes present in a zygote?
What is the primary function of the placenta during embryonic development?
What is the primary function of the placenta during embryonic development?
What embryonic tissue and maternal tissue combine to form the placenta?
What embryonic tissue and maternal tissue combine to form the placenta?
During which week of embryonic development do the rudiments of all organs become present?
During which week of embryonic development do the rudiments of all organs become present?
What is the primary method of material exchange between embryonic and maternal blood in the placenta?
What is the primary method of material exchange between embryonic and maternal blood in the placenta?
What is the term for the developing offspring during the 3rd-8th week of development?
What is the term for the developing offspring during the 3rd-8th week of development?
What stimulates the release of oxytocin from the posterior lobe of the pituitary?
What stimulates the release of oxytocin from the posterior lobe of the pituitary?
What is the result of higher blood oxytocin levels during labor?
What is the result of higher blood oxytocin levels during labor?
What is the purpose of Pitocin in labor?
What is the purpose of Pitocin in labor?
How long does the second stage of labor typically last?
How long does the second stage of labor typically last?
What occurs during the third stage of labor?
What occurs during the third stage of labor?
What causes the uterus to decrease in size after birth?
What causes the uterus to decrease in size after birth?
What helps prevent alveolar collapse in the newborn's lungs?
What helps prevent alveolar collapse in the newborn's lungs?
What is the purpose of clamping and cutting the umbilical cord?
What is the purpose of clamping and cutting the umbilical cord?
What stimulates the respiratory rhythmicity center in the newborn?
What stimulates the respiratory rhythmicity center in the newborn?
Why is the first breath difficult for the newborn?
Why is the first breath difficult for the newborn?
What is the primary function of progesterone during pregnancy?
What is the primary function of progesterone during pregnancy?
What is the role of relaxin during pregnancy?
What is the role of relaxin during pregnancy?
What triggers the formation of action potentials during the first stage of labor?
What triggers the formation of action potentials during the first stage of labor?
What is the primary function of estrogens during pregnancy?
What is the primary function of estrogens during pregnancy?
What is the typical duration of the first stage of labor?
What is the typical duration of the first stage of labor?
What is the primary function of the hormone hCG produced by the trophoblast and chorion?
What is the primary function of the hormone hCG produced by the trophoblast and chorion?
During which week of development does the placenta take over the role of producing estrogens and progesterone?
During which week of development does the placenta take over the role of producing estrogens and progesterone?
What is the approximate weight of the fetus by the 20th week of development?
What is the approximate weight of the fetus by the 20th week of development?
What is the purpose of vernix caseosa?
What is the purpose of vernix caseosa?
During which weeks of development does the fetus reach infant proportions?
During which weeks of development does the fetus reach infant proportions?
