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WorksheetsEmbryology
Total questions: 23
Worksheet time: 10mins
What is the name of the follicle after ovulation?
Matured follicle
Grafiaan follicle
Corpus luteum
Secoondary follicle
What is the name of the innermost layer of the ovum?
zona pellucida
corona radiata
cortical granules
After the first day of menstruation, on which day releasing of ovum will occurs?
15th
16th
13th
14th
What forms the embryonic tissues?
inner cell mass
outer cell mass
What forms the placental tissues?
inner cell mass
outer cell mass
What is the expected gestation time for pregnancy using day of first menstruation?
40 weeks
41 weeks
38 weeks
39 weeks
Which of the following reaction is the process where sperms penetrates the membrane of an ovum, causing the releases of cortical granules that hardens the zona pellucida to prevent polyspermy?
Zona reaction
Acrosome reaction
What is the daughter cell of a zygote called?
blastomeres
telomeres
blastocyst
trophoblast
What is the name of the fluid found in the blastocyst ?
blastocele
blastocoele
interstitial fluid
egg yolk
The outer cell mass which forms the trophoblast will then form ?
cytotrophoblast
trophoblastic lacurnae
syncytiotrophoblast
epiblast
What is the definition of Implantation
The process where the blastocyst burries deep down into the uterus wall.
The process where multiple sperm binds to an ovum but usually only one which are able to fertilize it.
What is the definition of Fertilization.
The process where the blastocyst burries deep down into the uterus wall.
The process where multiple sperm binds to an ovum but usually only one which are able to fertilize it.
Which of the following reaction is the process where sperms binds to the zona pellucida and release enzymes to allow the sperm to pass through the zona pellucida ?
Zona reaction
Acrosome reaction
Which of the following happens in Day 1 of early development?
Implantation
Fertilization
Formation of blastocyst
Cleavage
Compaction
Which of the following happens in Day 2 of early development?
Implantation
Fertilization
Formation of blastocyst
Cleavage
Compaction
Which of the following happens in Day 3 of early development?
Implantation
Fertilization
Formation of blastocyst
Cleavage
Compaction
Which of the following happens in Day 4 of early development?
Implantation
Fertilization
Formation of blastocyst
Cleavage
Compaction
Which of the following happens in Day 6 of early development?
Implantation
Fertilization
Formation of blastocyst
Cleavage
Compaction
The process where trophoblast releases proteases to digest the wall of zona pellucida is called?
Hatching of zygotes
Hatching of blastocyst
Acrosomal reaction
Zona reaction
Which of the following is an derivative of trophoblast?
cytotrophoblast
amniotic cavity
trophoblastic lacurnae
syncytiotrophoblast
The inner cell mass will form?
epiblast
hypoblast
blastocyst
extraembryonic mesoderm
Which of the following is an characteristic of embryonic development during week 2?
Development of bilaminar germ disc
further development of trophoblast into placenta
formation of primitive streak
Gastrulation to form trilaminar germ disc
embryo becomes more deeply implanted in the endometrium
Which of the following is an characteristic of embryonic development during week 3?
Development of bilaminar germ disc
further development of trophoblast into placenta
formation of primitive streak
Gastrulation to form trilaminar germ disc
embryo becomes more deeply implanted in the endometrium
