Machine Translated by Google
FACULTY OF MEDICINE
EMBRYOLOGY EXAM year of medicine
1era and dental surgery
Date: 22-01-2025 Duration: 1 hour 30 minutes Module leader: Dr LEBOUABI
------------------------------------------------------------------------------------------------------------------------------------
NAME :
FIRST NAME :
-----------------------------------------------------------------------------------------------------------------------------------
NB: the exam subject includes:
- Thirty (30) single-choice questions: choose the correct answer (false or right) depending on
the question (0.60 points per question)
20
0
, Machine Translated by Google
1) During oogenesis, the female gamete goes through several evolutionary stages. Match the characteristics
mentioned above to the corresponding stage of the gamete.
a) OOGONY c) OVOCYTE II i. Haploid
b) OVOCYTE I d) ZYGOTE ii. Diploid
1. Remains quiescent and stuck in prophase I 2. Does
A. a)-i,1,2 b)-i,3,4 B. a)-ii,3 c)-ii,6 d)-ii,4,5
not complete its first meiotic division until puberty
b)-ii,4,6 C. a)-ii,3 b)-ii,1,2 c)-i,1,2 d)-i,5
3. germline stem cell
D. a)-i,1,2 b)-i,3,4 E. a)-ii,3 c)-i,4,5 d)-ii,6
4. remains stuck in metaphase II with a single GP
b)-ii,1,2 c)-ii,5 d)-ii,6
5. Fertilized egg with two polar bodies
c)-i,4,6 d)-ii,5
6. the SPZ reaches its surface tangentially
2) Find the right combination by matching the characteristics of the stages of oogenesis to the phases and
corresponding periods:
1. Blockage of oogenesis, increase in cell volume and doubling of the quantity of DNA
2. Period of genital activity 3.
Differentiation of gonocytes into oogonia then increase in the number of oogonia
A. a)-i,1 b)-ii,2 c)-iii,3
a) MULTIPLICATION PHASE i. Period from puberty to menopause
B. a)-ii,3 b)-iii,1 c)-i,2
b) GROWTH PHASE ii. Embryo-fetal period
C. a)-iii,3 b)-ii,2 c)-i,1
c) MATURATION PHASE iii. Period from birth to puberty
D. a)-i,2 b)-iii,3 c)-ii,1
E. a)-ii,3 b)-iii,2 c)-i,1
3) Find the right combination by matching the different phases (in order) to the processes of
corresponding gametogenesis:
A. a)- i, 1,2,3,4; b)-ii, 1,2,3,4
a) OOGENESIS 1. Maturation phase
B. a)- ii, 4,2,1; b)- i, 4,2,1,3 C. a)- i,
b) SPERMATOGENESIS 2. Growth phase
1,2,3,4; b)- ii, 4,2,1 D. a)- ii, 4,2,1,3;
3. Differentiation phase 4.
i. Continuous process b)- i, 1,2,4
Multiplication phase
ii. Discontinuous process E. a)- i, 1,2,4; b)-ii, 1,2,3,4
4) Give the correct combination of polar bodies in female gametes
er 1. its presence is a sign that fertilization has taken place A. a)-3 b)-1,2
a) 1 GLOBULE
2. expelled at the end of the division of equational meiosis B. a)-2 b)-1,3
POLAR (GP)
eme 3. expelled at the end of reductional meiosis division C. a)-3.4 b)-1.2
b) 2 GLOBULE
4. is placed perpendicular to the spindle axis during amphimixis D. a)-3,4 b)-1,2,4
POLAR (GP)
E. a)-3 b)-1,4
5) Find the correct combination of the cellular elements of the different follicles:
4. Oocyte I
1. Some flattened follicular cells
5. Oocyte II
2. A single layer of cubic follicle cells
6. Theca interna cellularis
3. Several layers of follicle cells forming the GRANULOSA
7. Fibrous external theca
a) THE PRIMORDIAL FOLLICLE A. a)-1.4; b)-2.4; c)-3.4; d)-3.5; e)- 3.5
b) THE PRIMARY FOLLICLE B. a)-1.4; b)-2.4; c)-3.4; d)-3.4; e)- 3,5,6,7
c) THE SECONDARY FOLLICLE C. a)-1.4; b)-2.4; c)-3.4; d)-3,5,6,7; e)- 3,5,6,7
d) THE TERTIARY FOLLICLE D. a)-1.4; b)-2.4; c)-3,4,6,7; d)-3,5,6,7; e)- 3,5,6,7
e) DE GRAAF'S FOLLICLE E. a)-1.4; b)-2.4; c)-3,4,6,7; d)-3,4,6,7; e)- 3,5,6,7
6) Give the best combination regarding the chromosomal formula of each of these male and female sex cells?
1. Spermatogonia 2. 5. Sperm A. a)- 1.2 b)-3.4 c)-5.6 d)-7.8
a) n 23 chr, 1q DNA
Spermatocyte I 6. Oogony 7. B. a)- 4.5 b)-3.8 c)-1.6 d)-2.7
b) n 23 chr, 2q DNA
(Auxocyte) Oocyte I 8. C. a)- 5 b)-3.4.8 c)-1.6 d)-2.7
c) 2n 46 chr, 2q DNA
3. Spermatocyte II Oocyte II D. a)- 4.5 b)-3.8 c)-1.2.6 d)-7
d) 2n 46 chr, 4q DNA
4. Spermatid E. a)- 4.5 b)-3.8 c)-1 d)-2.6,7
1
FACULTY OF MEDICINE
EMBRYOLOGY EXAM year of medicine
1era and dental surgery
Date: 22-01-2025 Duration: 1 hour 30 minutes Module leader: Dr LEBOUABI
------------------------------------------------------------------------------------------------------------------------------------
NAME :
FIRST NAME :
-----------------------------------------------------------------------------------------------------------------------------------
NB: the exam subject includes:
- Thirty (30) single-choice questions: choose the correct answer (false or right) depending on
the question (0.60 points per question)
20
0
, Machine Translated by Google
1) During oogenesis, the female gamete goes through several evolutionary stages. Match the characteristics
mentioned above to the corresponding stage of the gamete.
a) OOGONY c) OVOCYTE II i. Haploid
b) OVOCYTE I d) ZYGOTE ii. Diploid
1. Remains quiescent and stuck in prophase I 2. Does
A. a)-i,1,2 b)-i,3,4 B. a)-ii,3 c)-ii,6 d)-ii,4,5
not complete its first meiotic division until puberty
b)-ii,4,6 C. a)-ii,3 b)-ii,1,2 c)-i,1,2 d)-i,5
3. germline stem cell
D. a)-i,1,2 b)-i,3,4 E. a)-ii,3 c)-i,4,5 d)-ii,6
4. remains stuck in metaphase II with a single GP
b)-ii,1,2 c)-ii,5 d)-ii,6
5. Fertilized egg with two polar bodies
c)-i,4,6 d)-ii,5
6. the SPZ reaches its surface tangentially
2) Find the right combination by matching the characteristics of the stages of oogenesis to the phases and
corresponding periods:
1. Blockage of oogenesis, increase in cell volume and doubling of the quantity of DNA
2. Period of genital activity 3.
Differentiation of gonocytes into oogonia then increase in the number of oogonia
A. a)-i,1 b)-ii,2 c)-iii,3
a) MULTIPLICATION PHASE i. Period from puberty to menopause
B. a)-ii,3 b)-iii,1 c)-i,2
b) GROWTH PHASE ii. Embryo-fetal period
C. a)-iii,3 b)-ii,2 c)-i,1
c) MATURATION PHASE iii. Period from birth to puberty
D. a)-i,2 b)-iii,3 c)-ii,1
E. a)-ii,3 b)-iii,2 c)-i,1
3) Find the right combination by matching the different phases (in order) to the processes of
corresponding gametogenesis:
A. a)- i, 1,2,3,4; b)-ii, 1,2,3,4
a) OOGENESIS 1. Maturation phase
B. a)- ii, 4,2,1; b)- i, 4,2,1,3 C. a)- i,
b) SPERMATOGENESIS 2. Growth phase
1,2,3,4; b)- ii, 4,2,1 D. a)- ii, 4,2,1,3;
3. Differentiation phase 4.
i. Continuous process b)- i, 1,2,4
Multiplication phase
ii. Discontinuous process E. a)- i, 1,2,4; b)-ii, 1,2,3,4
4) Give the correct combination of polar bodies in female gametes
er 1. its presence is a sign that fertilization has taken place A. a)-3 b)-1,2
a) 1 GLOBULE
2. expelled at the end of the division of equational meiosis B. a)-2 b)-1,3
POLAR (GP)
eme 3. expelled at the end of reductional meiosis division C. a)-3.4 b)-1.2
b) 2 GLOBULE
4. is placed perpendicular to the spindle axis during amphimixis D. a)-3,4 b)-1,2,4
POLAR (GP)
E. a)-3 b)-1,4
5) Find the correct combination of the cellular elements of the different follicles:
4. Oocyte I
1. Some flattened follicular cells
5. Oocyte II
2. A single layer of cubic follicle cells
6. Theca interna cellularis
3. Several layers of follicle cells forming the GRANULOSA
7. Fibrous external theca
a) THE PRIMORDIAL FOLLICLE A. a)-1.4; b)-2.4; c)-3.4; d)-3.5; e)- 3.5
b) THE PRIMARY FOLLICLE B. a)-1.4; b)-2.4; c)-3.4; d)-3.4; e)- 3,5,6,7
c) THE SECONDARY FOLLICLE C. a)-1.4; b)-2.4; c)-3.4; d)-3,5,6,7; e)- 3,5,6,7
d) THE TERTIARY FOLLICLE D. a)-1.4; b)-2.4; c)-3,4,6,7; d)-3,5,6,7; e)- 3,5,6,7
e) DE GRAAF'S FOLLICLE E. a)-1.4; b)-2.4; c)-3,4,6,7; d)-3,4,6,7; e)- 3,5,6,7
6) Give the best combination regarding the chromosomal formula of each of these male and female sex cells?
1. Spermatogonia 2. 5. Sperm A. a)- 1.2 b)-3.4 c)-5.6 d)-7.8
a) n 23 chr, 1q DNA
Spermatocyte I 6. Oogony 7. B. a)- 4.5 b)-3.8 c)-1.6 d)-2.7
b) n 23 chr, 2q DNA
(Auxocyte) Oocyte I 8. C. a)- 5 b)-3.4.8 c)-1.6 d)-2.7
c) 2n 46 chr, 2q DNA
3. Spermatocyte II Oocyte II D. a)- 4.5 b)-3.8 c)-1.2.6 d)-7
d) 2n 46 chr, 4q DNA
4. Spermatid E. a)- 4.5 b)-3.8 c)-1 d)-2.6,7
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