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Placenta Development — Placenta, Fetal Membranes & Twinning
Embryology Question Bank
Embryology Question Bank
Placenta Development
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Placenta Development MCQs: practice questions
Sample Placenta Development multiple-choice questions from Placenta, Fetal Membranes & Twinning.
What is the normal fetal surface of the placenta like?
- A. Smooth, shiny, and light blue or blue-pink
- B. Yellow and opaque
- C. Pearl-white and avascular
- D. Brown and rough
- E. Dark red and lobulated
What is the fetal component of the definitive placenta called?
- A. Decidua capsularis
- B. Stratum basale
- C. Decidua parietalis
- D. Villous chorion
- E. Smooth chorion
Which placental component is in direct contact with maternal blood in a hemochorial placenta?
- A. Decidua parietalis
- B. Myometrium
- C. Fetal endothelium only
- D. Chorion
- E. Amnion
What is the decidua basalis?
- A. Endometrium covering the blastocyst toward the uterine cavity
- B. Maternal myometrium
- C. All endometrium outside the implantation site
- D. Fetal chorion
- E. Endometrium between the implantation site and myometrium
What is the function of the outer cytotrophoblast shell?
- A. It secures tertiary chorionic villi to the decidua basalis
- B. It forms the neural tube
- C. It forms the fetal circulation
- D. It produces fetal urine
- E. It forms the amniotic cavity
How many large chorionic fetal blood vessels are visible on the fetal placental surface?
What is the maternal component of the placenta?
What is the normal maternal surface of the placenta like?
What type of placenta is characteristic of humans?
What is the decidua parietalis?
What is the shape of the human placenta?
Which placental structure contains fetal capillaries?
Where does the villous chorion develop most extensively?
What is the chorionic plate?
Which structure contains the maternal blood-filled intervillous space?
Which trophoblast layer contributes directly to the primary villus core?
Which placental component is derived from maternal endometrium?
What is the fetal component of the placenta?
What structures give the maternal surface of the placenta its cobblestone appearance?
What separates cotyledons on the maternal placental surface?
What is the villous chorion composed of?
Which placental component is derived from trophoblast and extraembryonic mesoderm?
What is the plane of separation when the placenta is shed after delivery?
Which chorionic villus stage contains fetal capillaries?
What is the smooth chorion?
What is the main function of chorionic villi?
Which chorionic villus stage contains extraembryonic mesoderm?
Which chorionic villus stage has a core of cytotrophoblast covered by syncytiotrophoblast?
What is the main distinction between villous and smooth chorion?
What is the decidua capsularis?