Embryology

14 Questions

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Embryology Quizzes & Trivia

Questions and Answers
  • 1. 
    The prechordal plate will be the location of:
    • A. 

      Heart

    • B. 

      Stomach

    • C. 

      Mouth

    • D. 

      Spinal cord

  • 2. 
    Which one of these is not formed by the neural crest
    • A. 

      The CNS 

    • B. 

      Pigment cells

    • C. 

      Adrenal gland medulla

    • D. 

      Peripheral ganglia

  • 3. 
    The process by which the bilaminar disc is converted into trilaminar disc is: 
    • A. 

      Neurolation

    • B. 

      Gastrulation

    • C. 

      Implantation

    • D. 

      Folding

  • 4. 
    The cells by which the embryo will be nourished are:
    • A. 

      Cytotrophoblast

    • B. 

      Amnion

    • C. 

      Decidual

    • D. 

      Blastomeres

  • 5. 
    The part involved in the formation of blood is:
    • A. 

      Notochord

    • B. 

      Somites

    • C. 

      Mesoderm

    • D. 

      Allantois

  • 6. 
    The fluid will start to accumulate within the morula :
    • A. 

      5 DAF

    • B. 

      10 DAF

    • C. 

      8 DAF

    • D. 

      2 DAF

  • 7. 
    The epiblast is formed of:
    • A. 

      Squamous cells

    • B. 

      Cuboidal cells

    • C. 

      Columnar cells

    • D. 

      Mucous cells

  • 8. 
    After the blastocystic cavity is surrounded by exocoelomic membrane it is called:
    • A. 

      Primary umbilical vesicle

    • B. 

      Exocoelomic cavity

    • C. 

      Secondary umbilical vesicle

    • D. 

      Amniotic cavity

  • 9. 
    First spontaneous movement of the embryo is in:
    • A. 

      10th week

    • B. 

      8th week

    • C. 

      6th week

    • D. 

      13-16 week

  • 10. 
    The fetal period is:
    • A. 

      The period from implantation till the 8th week

    • B. 

      The period from 2nd-3rd  week

    • C. 

      The period from 9th week till birth 

    • D. 

      The period from 7th -11th week

  • 11. 
    To diagnose any abnormality in the fetal heart we use:
    • A. 

      Fetal monitoring

    • B. 

      Ultrasonography

    • C. 

      Chorionic villus sampling 

    • D. 

      Cell culture

  • 12. 
    All of these can result in a variation in human species except:
    • A. 

      Crossing-over 

    • B. 

      Implantation 

    • C. 

      Mutations

    • D. 

      Mingling of chromosomes from two different individuals.

  • 13. 
    The blastocyst is called (later blastocyst) after:
    • A. 

      Implantation 

    • B. 

      Fertilization

    • C. 

      Hatching 

    • D. 

      Embedding 

  • 14. 
    Extraembryonic Splanchnic mesoderm covers:
    • A. 

      Amniotic cavity

    • B. 

      Umbilical vesicle 

    • C. 

      Bilaminar disc

    • D. 

      Trilaminar disc