The Preimplantation Period

5 Questions | Total Attempts: 267

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Answer the following questions on the Preimplantation Period of prenatal development. Select the correct answer for each multiple choice question.


Questions and Answers
  • 1. 
    How long does the Preimplantation Period of prenatal development last?
    • A. 

      1 week

    • B. 

      2 weeks

    • C. 

      8 weeks

    • D. 

      12 weeks

  • 2. 
    The type of cellular division that occurs during fertilization that ensures the correct number of chromosomes in the new individual  is:
    • A. 

      Cleavage

    • B. 

      Mitosis

    • C. 

      Meiosis

    • D. 

      Replication

  • 3. 
    In the Preimplantation Period, when the fertilized egg grows to a size of roughly 16 cells tightly packed together, the proper term used to describe this is a:
    • A. 

      Zygote

    • B. 

      Blastocyst

    • C. 

      Morula

    • D. 

      Trophoblast

  • 4. 
    The blastocyst ideally will implant:
    • A. 

      In the ovary

    • B. 

      To the wall of a fallopian tube

    • C. 

      On the back wall of the uterus

    • D. 

      On the cervix

  • 5. 
    After implantation, the blastocyst will consist of 2 layers, the inner mass of cells is referred to as the ____ layer:
    • A. 

      Embryoblast

    • B. 

      Blastocyst

    • C. 

      Trophoblast

    • D. 

      Primary