CHE - Embryology

Sole C
Quiz by Sole C, updated more than 1 year ago
Sole C
Created by Sole C almost 6 years ago
58
4

Description

CHE - Embryology

Resource summary

Question 1

Question
Fertilization ability of the spermatozoon is preserved for 24 - 30 hours.
Answer
  • True
  • False

Question 2

Question
Two veins and one artery are present in the umbilical cord of the newborn body.
Answer
  • True
  • False

Question 3

Question
The yolk sack (sacculus vitellinus) takes part in the formation of the embryo discus.
Answer
  • True
  • False

Question 4

Question
Amnion is not involved in the formation of the embryo discus.
Answer
  • True
  • False

Question 5

Question
The cells obtained as a result of segmentation are called blastomers.
Answer
  • True
  • False

Question 6

Question
The trophoblast related structures are associated with the implantation and nutrition of the embryo.
Answer
  • True
  • False

Question 7

Question
The smooth chorion (chorion laeve) takes part in the formation of the fetal sack.
Answer
  • True
  • False

Question 8

Question
The embryoblast cells situated on the floor of the amnion differentiate into the ectoderma.
Answer
  • True
  • False

Question 9

Question
The chorion frondosum participates in the formation of placenta.
Answer
  • True
  • False

Question 10

Question
Linea primitiva (the primitive line) is a temporary structures related to the organization of the mesoderma.
Answer
  • True
  • False

Question 11

Question
The sperm volume is normally is:
Answer
  • 2 - 6 ml
  • 6 - 8 ml
  • 8 - 10 ml
  • 10 - 12 ml

Question 12

Question
The II type oocyte has a fertilization ability during:
Answer
  • 6-12 hours
  • 12 - 24 hours
  • 24 - 36 hours
  • 36 - 72 hours

Question 13

Question
The spermatozoa number in 1cm3 sperm is:
Answer
  • 10 - 30 x10(6) / cm3
  • 400 - 500 x10(2) / cm3
  • 40 - 120 x10(6) / cm3
  • 130 - 160 x10(6) / cm3

Question 14

Question
The minimum part of mobiles spermatozoa in the sperm necessary for fertilization is above:
Answer
  • 10%
  • 20%
  • 30%
  • 50%

Question 15

Question
The process of transformation of spermatids into spermatozoa is called:
Answer
  • Spermation
  • Spermiogenesis
  • Capacitation
  • Acrosomal reaction

Question 16

Question
The trophoblast is part of:
Answer
  • Embryoblast
  • Blastocysta
  • Magma reticularis
  • Amnion cavity

Question 17

Question
The consecutive stages in the embryogenesis are:
Answer
  • Morulla - Blastocyta - Organogenesis - Gastrulation
  • Morulla - Blastocyta - Gastrulation - Organogenesis
  • Blastocyta - Morulla - Gastrulation - Organogenesis
  • Organogenesis - Morulla - Gastrulation - Blastocyta

Question 18

Question
The somites derive from:
Answer
  • Mesoblast
  • Endoblast
  • Ectoblast
  • Mesenchyme

Question 19

Question
The dermatomes form:
Answer
  • Skin epithelium
  • Skin connective tissue
  • Skeletal muscles
  • Embryo's skeleton

Question 20

Question
The segmentation by human embryo is:
Answer
  • 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.

Question 21

Question
Which element is not included in the placental barrier:
Answer
  • Cytotrophoblast
  • Syncytial trophoblast
  • Capillaries of the placental villae
  • Capillaries of the uterus wall

Question 22

Question
The implantation starts:
Answer
  • On the first day after the fertilization
  • 6-7 days after the fertilization
  • 10 days after the fertilization
  • 15 days after the fertilization

Question 23

Question
The fertilization is completed in:
Answer
  • Uterus cavity
  • Oviduct cavity
  • Abdomen
  • Ovary

Question 24

Question
What type of function is the oocyte cortical reaction
Answer
  • Trophic
  • Receptor
  • Barrier
  • Phagocytic

Question 25

Question
The umbilical cord of the newborn baby consists of:
Answer
  • Two arteries and two veins
  • Two arteries and one vein
  • Two veins and one artery
  • One artery and one vein

Question 26

Question
Which of the following is typical for monozygotic twins:
Answer
  • 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

Question 27

Question
The somites (epimer of the mesoblast) form:
Answer
  • Dermatomes
  • Sklerotomes
  • Myotomes
  • Nephrotomes
  • Hypomer

Question 28

Question
From the mesenchyme derivates:
Answer
  • Cardiac muscle tissue
  • Smooth muscle tissue
  • Skeletal muscle tissue
  • Blood tissue
  • Microglia

Question 29

Question
From the ectoblast derivates:
Answer
  • Nervous tissue
  • Blood tissue
  • Skin epithelium (epidermis)
  • Epithelium of the oral cavity
  • Smooth muscle tissue

Question 30

Question
The fetal sack wall consists of:
Answer
  • Amnion
  • Smooth chorion (chorion laeve)
  • Placental villae
  • Covering decidua (decidua capsularis)
  • Basal decidua

Question 31

Question
The placental barrier after the third month of embryogenesis consists of:
Answer
  • Syncytial trophoblast
  • Cytotrophoblast
  • Epithelium of the placental capillaries
  • Mesenchyme of the placental villa
  • Epithelium of the uterus capillaries

Question 32

Question
The maternal part of the placenta consists of:
Answer
  • Cotyledones
  • Loose connective tissue slips (septae)
  • Blood lacunea
  • Amnion
  • Chorionic plate

Question 33

Question
The fetal part of the placenta consists of:
Answer
  • Loose connective tissue clips (septae)
  • Blood lacunae
  • Chorion frondosum
  • Amnion
  • Cotyledones

Question 34

Question
Which of the following are specific for the acrosomal reaction:
Answer
  • 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

Question 35

Question
Which of the following are specific for the cortical reaction is:
Answer
  • 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.
Show full summary Hide full summary

Similar

How to improve your SAT math score
Brad Hegarty
The SAT Math test essentials list
lizcortland
Embryology Flow Chart (Germ Layers)
Sierra Shelton (student)
Histology- Epithelial Tissue PMU 1st Year
Med Student
Histology- Connective Tissue PMU 1st Year
Med Student
Histology- Muscle Tissue 1st Year
Med Student
Histology- Epithelial Tissue PMU 1st Year
Mohid Ayub
Cell Physiology and General Physiology of Excitable Tissues- Physiology PMU 2nd Year
Med Student
General Physiology of the Nervous System Physiology PMU 2nd Year
Med Student
Microbiology MCQs 3rd Year Final- PMU
Med Student
RE Keywords - Paper 1 - Religion and life
Kerris Linney