Podcast
Questions and Answers
Which structure is responsible for the exchange of gases between the fetus and the mother?
Which structure is responsible for the exchange of gases between the fetus and the mother?
- Decidua basalis
- Extraembryonic mesoderm
- Chorionic villi (correct)
- Umbilical cord
When does the development of the placenta start?
When does the development of the placenta start?
- Week 4½
- Beginning of Week 2 (correct)
- Day 16
- End of Week 12
Which type of nutrition is achieved via the haemochorial placenta in humans?
Which type of nutrition is achieved via the haemochorial placenta in humans?
- Respiratory nutrition
- Immunological nutrition
- Haemotrophic nutrition (correct)
- Excretory nutrition
What is the role of the placenta in maternal acceptance of the fetus?
What is the role of the placenta in maternal acceptance of the fetus?
Which part of the placenta delivers maternal antibodies to the fetus?
Which part of the placenta delivers maternal antibodies to the fetus?
What is the function of the extraembryonic mesoderm in the development of the placenta?
What is the function of the extraembryonic mesoderm in the development of the placenta?
Which structure forms the true placenta when combined with the maternal decidua basalis?
Which structure forms the true placenta when combined with the maternal decidua basalis?
What separates the maternal and fetal blood in the placenta?
What separates the maternal and fetal blood in the placenta?
Which type of placenta is formed when the chorion in decidua capsularis is compressed?
Which type of placenta is formed when the chorion in decidua capsularis is compressed?
By the end of which week after fertilization is the placenta fully functional?
By the end of which week after fertilization is the placenta fully functional?
Which of the following is NOT a topic covered in the text?
Which of the following is NOT a topic covered in the text?
What is the function of the placenta?
What is the function of the placenta?
What are the maternal adaptations to pregnancy?
What are the maternal adaptations to pregnancy?
What is the process of sexual differentiation of the reproductive tract?
What is the process of sexual differentiation of the reproductive tract?
What is histiotrophic nutrition?
What is histiotrophic nutrition?
What is the impact of pregnancy and placental hormones on the maternal anatomy?
What is the impact of pregnancy and placental hormones on the maternal anatomy?
What is the impact of pregnancy and placental hormones on maternal metabolism?
What is the impact of pregnancy and placental hormones on maternal metabolism?
What is the impact of pregnancy and placental hormones on maternal physiology?
What is the impact of pregnancy and placental hormones on maternal physiology?
What is the duration of the pre-implantation stage?
What is the duration of the pre-implantation stage?
What is the term used to describe the period after implantation?
What is the term used to describe the period after implantation?
Which hormone maintains the corpus luteum and suppresses the maternal immune system?
Which hormone maintains the corpus luteum and suppresses the maternal immune system?
Which hormone enlarges the uterus, develops breasts, and later relaxes pelvic ligaments and pubic symphysis?
Which hormone enlarges the uterus, develops breasts, and later relaxes pelvic ligaments and pubic symphysis?
Which hormone maintains the functional endometrium, quiets the uterus, develops breasts, and increases respiratory tidal volume?
Which hormone maintains the functional endometrium, quiets the uterus, develops breasts, and increases respiratory tidal volume?
Which hormone decreases glucose and increases fatty acid metabolism in the mother, and develops breasts?
Which hormone decreases glucose and increases fatty acid metabolism in the mother, and develops breasts?
Which hormone stimulates cortisol production via the fetal H-P-adrenal axis?
Which hormone stimulates cortisol production via the fetal H-P-adrenal axis?
During pregnancy, the uterus undergoes dramatic enlargement due to the increase in which hormone?
During pregnancy, the uterus undergoes dramatic enlargement due to the increase in which hormone?
Which hormone is responsible for the considerable weight gain during pregnancy?
Which hormone is responsible for the considerable weight gain during pregnancy?
Which hormone is responsible for the increased appetite and elevated fat storage in the mother during pregnancy?
Which hormone is responsible for the increased appetite and elevated fat storage in the mother during pregnancy?
Which hormone is responsible for the elevated blood volume and periodic increased cardiac output during pregnancy?
Which hormone is responsible for the elevated blood volume and periodic increased cardiac output during pregnancy?
Which chromosomes determine the sex in humans?
Which chromosomes determine the sex in humans?
Which of the following is NOT a stage of embryo development?
Which of the following is NOT a stage of embryo development?
What is the process by which the embryo attaches to the uterine wall?
What is the process by which the embryo attaches to the uterine wall?
Which of the following is NOT an extra-embryonic membrane?
Which of the following is NOT an extra-embryonic membrane?
Which of the following is NOT a general tissue formed from the germ layers?
Which of the following is NOT a general tissue formed from the germ layers?
What is the general function of the yolk sac?
What is the general function of the yolk sac?
What is the general timeline of prenatal development?
What is the general timeline of prenatal development?
What is the process by which the embryonic disc is formed?
What is the process by which the embryonic disc is formed?
What is the term used to describe the formation of the three germ layers?
What is the term used to describe the formation of the three germ layers?
What is the process by which the mother's body accepts the developing fetus?
What is the process by which the mother's body accepts the developing fetus?
What is the general function of the amnion?
What is the general function of the amnion?
During which week does the syncytiotrophoblast start secreting hCG?
During which week does the syncytiotrophoblast start secreting hCG?
Which structure forms the base of the umbilical cord?
Which structure forms the base of the umbilical cord?
What is the function of the amnion during embryonic development?
What is the function of the amnion during embryonic development?
Which structure is responsible for the brief nutrient support during early development?
Which structure is responsible for the brief nutrient support during early development?
What is the role of the chorion and chorionic villi?
What is the role of the chorion and chorionic villi?
During which stage does the primitive streak form along the caudal end of the bilaminar embryonic disc?
During which stage does the primitive streak form along the caudal end of the bilaminar embryonic disc?
Which germ layer forms the nervous system and skin epidermis?
Which germ layer forms the nervous system and skin epidermis?
Which germ layer forms most blood vessels, connective tissues, bone, and muscle?
Which germ layer forms most blood vessels, connective tissues, bone, and muscle?
Which germ layer forms the epithelial linings and associated glands of the digestive, respiratory, and urogenital systems?
Which germ layer forms the epithelial linings and associated glands of the digestive, respiratory, and urogenital systems?
What is the function of the placenta during pregnancy?
What is the function of the placenta during pregnancy?
During which period of development does the formation of all major adult organs occur?
During which period of development does the formation of all major adult organs occur?
What is the duration of pregnancy from zygote to birth?
What is the duration of pregnancy from zygote to birth?
What is the clinical significance of severe embryonic period developmental abnormalities?
What is the clinical significance of severe embryonic period developmental abnormalities?
What triggers hyperactive motility in sperm?
What triggers hyperactive motility in sperm?
What is the function of hyaluronidase in the process of fertilization?
What is the function of hyaluronidase in the process of fertilization?
What is the correct sequence of events during fertilization?
What is the correct sequence of events during fertilization?
What is the term used to describe the stage of development when there are 64 or more cells?
What is the term used to describe the stage of development when there are 64 or more cells?
What is the function of the syncytiotrophoblast cells during implantation?
What is the function of the syncytiotrophoblast cells during implantation?
What is the function of the cytotrophoblast and syncytiotrophoblast in the development of the placenta?
What is the function of the cytotrophoblast and syncytiotrophoblast in the development of the placenta?
What is the role of hCG during early pregnancy?
What is the role of hCG during early pregnancy?
