2478566
Questão 1
Questão
Fertilization ability of the spermatozoon is preserved for 24 - 30 hours.
Responda
- True
- False
Questão 2
Questão
Two veins and one artery are present in the umbilical cord of the newborn body.
Responda
- True
- False
Questão 3
Questão
The yolk sack (sacculus vitellinus) takes part in the formation of the embryo discus.
Responda
- True
- False
Questão 4
Questão
Amnion is not involved in the formation of the embryo discus.
Responda
- True
- False
Questão 5
Questão
The cells obtained as a result of segmentation are called blastomers.
Responda
- True
- False
Questão 6
Questão
The trophoblast related structures are associated with the implantation and nutrition of the embryo.
Responda
- True
- False
Questão 7
Questão
The smooth chorion (chorion laeve) takes part in the formation of the fetal sack.
Responda
- True
- False
Questão 8
Questão
The embryoblast cells situated on the floor of the amnion differentiate into the ectoderma.
Responda
- True
- False
Questão 9
Questão
The chorion frondosum participates in the formation of placenta.
Responda
- True
- False
Questão 10
Questão
Linea primitiva (the primitive line) is a temporary structures related to the organization of the mesoderma.
Responda
- True
- False
Questão 11
Questão
The sperm volume is normally is:
Responda
-
2 - 6 ml
-
6 - 8 ml
-
8 - 10 ml
-
10 - 12 ml
Questão 12
Questão
The II type oocyte has a fertilization ability during:
Responda
-
6-12 hours
-
12 - 24 hours
-
24 - 36 hours
-
36 - 72 hours
Questão 13
Questão
The spermatozoa number in 1cm3 sperm is:
Responda
-
10 - 30 x10(6) / cm3
-
400 - 500 x10(2) / cm3
-
40 - 120 x10(6) / cm3
-
130 - 160 x10(6) / cm3
Questão 14
Questão
The minimum part of mobiles spermatozoa in the sperm necessary for fertilization is above:
Responda
-
10%
-
20%
-
30%
-
50%
Questão 15
Questão
The process of transformation of spermatids into spermatozoa is called:
Responda
-
Spermation
-
Spermiogenesis
-
Capacitation
-
Acrosomal reaction
Questão 16
Questão
The trophoblast is part of:
Responda
-
Embryoblast
-
Blastocysta
-
Magma reticularis
-
Amnion cavity
Questão 17
Questão
The consecutive stages in the embryogenesis are:
Responda
-
Morulla - Blastocyta - Organogenesis - Gastrulation
-
Morulla - Blastocyta - Gastrulation - Organogenesis
-
Blastocyta - Morulla - Gastrulation - Organogenesis
-
Organogenesis - Morulla - Gastrulation - Blastocyta
Questão 18
Questão
The somites derive from:
Responda
-
Mesoblast
-
Endoblast
-
Ectoblast
-
Mesenchyme
Questão 19
Questão
The dermatomes form:
Responda
-
Skin epithelium
-
Skin connective tissue
-
Skeletal muscles
-
Embryo's skeleton
Questão 20
Questão
The segmentation by human embryo is:
Responda
-
The formation of many small holes in the acrosome
-
Penetration of spermatozoon through corona radiata of the oocyte
-
Penetration of spermatozoon through zona pellucida of the oocyte
-
Series of mitosis in the zygote during its movement through the oviduct.
Questão 21
Questão
Which element is not included in the placental barrier:
Responda
-
Cytotrophoblast
-
Syncytial trophoblast
-
Capillaries of the placental villae
-
Capillaries of the uterus wall
Questão 22
Questão
The implantation starts:
Responda
-
On the first day after the fertilization
-
6-7 days after the fertilization
-
10 days after the fertilization
-
15 days after the fertilization
Questão 23
Questão
The fertilization is completed in:
Responda
-
Uterus cavity
-
Oviduct cavity
-
Abdomen
-
Ovary
Questão 24
Questão
What type of function is the oocyte cortical reaction
Responda
-
Trophic
-
Receptor
-
Barrier
-
Phagocytic
Questão 25
Questão
The umbilical cord of the newborn baby consists of:
Responda
-
Two arteries and two veins
-
Two arteries and one vein
-
Two veins and one artery
-
One artery and one vein
Questão 26
Questão
Which of the following is typical for monozygotic twins:
Responda
-
They don't look alike
-
They look alike
-
They can be of a different gender
-
They are always the same gender
-
There are no differences in their immunological characteristics
Questão 27
Questão
The somites (epimer of the mesoblast) form:
Responda
-
Dermatomes
-
Sklerotomes
-
Myotomes
-
Nephrotomes
-
Hypomer
Questão 28
Questão
From the mesenchyme derivates:
Responda
-
Cardiac muscle tissue
-
Smooth muscle tissue
-
Skeletal muscle tissue
-
Blood tissue
-
Microglia
Questão 29
Questão
From the ectoblast derivates:
Responda
-
Nervous tissue
-
Blood tissue
-
Skin epithelium (epidermis)
-
Epithelium of the oral cavity
-
Smooth muscle tissue
Questão 30
Questão
The fetal sack wall consists of:
Responda
-
Amnion
-
Smooth chorion (chorion laeve)
-
Placental villae
-
Covering decidua (decidua capsularis)
-
Basal decidua
Questão 31
Questão
The placental barrier after the third month of embryogenesis consists of:
Responda
-
Syncytial trophoblast
-
Cytotrophoblast
-
Epithelium of the placental capillaries
-
Mesenchyme of the placental villa
-
Epithelium of the uterus capillaries
Questão 32
Questão
The maternal part of the placenta consists of:
Responda
-
Cotyledones
-
Loose connective tissue slips (septae)
-
Blood lacunea
-
Amnion
-
Chorionic plate
Questão 33
Questão
The fetal part of the placenta consists of:
Responda
-
Loose connective tissue clips (septae)
-
Blood lacunae
-
Chorion frondosum
-
Amnion
-
Cotyledones
Questão 34
Questão
Which of the following are specific for the acrosomal reaction:
Responda
-
Releasing of the acrosomal enzymes
-
Facilities the penetration of spermatozoon through zona pellucida of the oocyte
-
Type of endocytosis
-
Completed after the spermatozoon receptor binding to zona pellucida
-
Completed after the fertilization
Questão 35
Questão
Which of the following are specific for the cortical reaction is:
Responda
-
Completed in corona radiata
-
Associated with releasing of the acrosomal enzymes
-
Associated with releasing of the proteolytic enzymes under the oocyte plasmalemma
-
Associated with destroying of the spermatozoon receptor in zona pellucida
-
Blocks the passing of more than one spermatozoon into the oocyte.
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