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L7 , Ovulation and Fertilization , Embryology

Ovulation Lecture video



Ovulation Data 


Fertilization Lecture video.


 

Fertilization Data.

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Ovulation MCQ  


1-The time of oogenesis :

a-From intrauterine life to puberty

b-From intrauterine to menopatise

c-From birth to puberty

d-From puberty to menopause

e-From puberty and continues for life


2-The first polar body is located:

a-Inside the cytoplasm of primary oocyte

b-Inside the cytoplasm of secondary oocyte

c-Between the cell membrane of primary oocyte and zona ppellucida

d-Between the cell membrane of secondary oocyte and zona pellucida

e-Between the zona pellucida and granulosa cells


3-The primary oocyte completes its first meiotic division:

a- Before the beginning of ovarian cycle

blust before ovulation

c-At the time of ovulation

d-After ovulation

e-At fertilization


4-The secondary oocyte completes its 2nd meiotic division:

a-Before ovulation

b-At ovulation

c-Before fertilization

 d-At fertilization

e-After fertilization


5-The fate of corpus luteum depends on :

a-Ovulation

b-Fertilization

c-Implantation

d-All of the above

e-None of the above


6-If fertilization does not occur, the fate of corpus luteum is:

a-Degenerates at once

b-Lasts for 5 days

c-Lasts for 10 days

d-Lasts at the end of ovarian cycle

e-Lasts for 4 months


7-If fertilization occurs, the fate of corpus luteum is:

a-Degenerates at once

b-Lasts for 5 days

c-Lasts for 10 days

d-Lasts at the end of ovarian cycle

e-Lasts for 4 months




ANSWER 

1-b

2-d

3-b

4-d

5-b

6-c

7-e.  


Fertilization MCQ.  

1. Concerning to zona pellucida, one statement is wrong: 

A_It is a glycoprotein 

B_it is secreted by granulosa cells and primary oocyte. 

C_It disappear just after fertilization. 

D_It lies between the cell membrane of the oocyte and corona radiata 


2.Only about........sperms will reach the fertilization site. 

a.200300: 

b.200400: 

c.300400: 

d.300500: 


3.The normal site of fertilization occurs in 

a.uterine cavity 

b.isthmus 

c.ampulla 

d.infundibulum 


4.Immediately ,following the entry of sperm into ovum ,which process occurs 

a.capacitation 

b. Zona reaction 

c.completion of 2nd meiotic division of 2ry oocyt 

e.b+c only 


5.The fertilized ovum is transported to uterine cavity in stage of 

a.2 cell stage 

b.4 cell stage 

c.8 cell stage 

d.morula 

e.blastocyst 


6.The time of implantation 

a.3rd -7th day after fertilization  

b.4th - 8th 

c.5th - 9th 

d.6th -11th 

7.The normal site of implantation is 

a.ant wall of cervix 

b.post wall of cervix 

c.post wall of body of uterus 

c.fundus of uterus


8-The followings are the abnormal sites of implantation except: 

a-Uterine tube 

b-Surface of the ovary 

c-Posterior wall of body of uterus 

d-Douglas pouch 

e-Cervix 


9-The ectopic pregnancy occurs in: 

a-uterine tube 

b-Surface of ovary 

c-Abdominal cavity 

d-All of the above 

e-a+b only 


10-The decidua means: 

b-Endometrium after ovulation 

a-Endometrium after menstruation 

d-Endometrium after implantation 

e-Endometrium after gastrulation 

c-Endometrium after fertilization 


11-Which part of decidua separates the blastula from the uterine cavity: 

a-Decidua basalis 

b.Decidua capsularis 

c-Decidua parietalis 

d-All of the above 

e- b + c only 


12-The following events occur in first week of pregnancy except: 

a-Fertilization 

b-cleavage 

c-Morula formation 

d-Blastula formation 

e-The Implantation of blastula is completed



ANSWER

1. C 

2. D 

3. C 

4. E 

5. D

6. D

7. C

8. C 

9. D 

10. D 

11. B 

12. E

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