Umblical cord & placenta MCQ 6+

Test your knowledge with important Umblical cord & placenta MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 36+ more Umblical cord & placenta MCQs on Bissoy. Bissoy App

• Umbilical cord contains:
  ক

  Wharton's jelly

  খ

  Allantois

  গ

  One umbilical vein

  ঘ

  Two umbilical artery

  ঙ

  Yolk sac
• Following substances cross the placental barrier against concentration gradient
  ক

  Calcium

  খ

  Amino acid

  গ

  Iron

  ঘ

  Magnesium

  ঙ

  Fat soluble vitamin
• Placental barrier
  ক

  Becomes a double layered membrane in late pregnancy

  খ

  Becomes thinner as villi lose their cellular and connective tissue surrounding the capillaries

  গ

  Is exclusively composed of maternal tissue

  ঘ

  Is composed of three layers in early stage

  ঙ

  Is a chorionic derivative
• Placental barrier is composed of
  ক

  Syncytiotrophoblast

  খ

  Cytotrophoblast

  গ

  Endothelium of fetal blood vessels

  ঘ

  Amniotic membrane

  ঙ

  Decidua
• Allantois is
  ক

  An endodermal derivative

  খ

  Converted to urachus

  গ

  An axis for the development of the umbilical cord

  ঘ

  Continuous with the anal canal

  ঙ

  A cranial diverticulum of yolk sac
• Regarding placenta
  ক

  Exchange of oxygen & nutrients occurs in tertiary villi

  খ

  HCG is the first hormone released by placenta

  গ

  It is a source of haematopoietic stem cells of the faetus

  ঘ

  Its villous capillaries are branches of the uterine artery

  ঙ

  It receives blood supply from uterine artery only