Gametogenisis, Fertilization, Physiology

Question 1

What is the diameter of a fully mature ovum?

Answer 1

130 microns

Cheetha mutta kondu angu vittalo

Question 2

What is spermatogenesis?

Answer 2

Spermatogonium to mature spermatozoon 61/75days
Shastipoorthiyaya sperm

The process of sperm cell development

Question 3

What surrounds the mature ovum?

Answer 3

Vitelline membrane

Cheetha mutta kondu angu vittalo

Question 4

What is the outer transparent mucoprotein envelope of the ovum called?

Answer 4

Zona pellucida

Question 5

How long does it take for a spermatogonium to develop into a mature spermatozoon?

Answer 5

61 days (or 75 days)

Question 6

Where does fertilization occur?

Answer 6

In the ampullary part of the fallopian tube

Question 7

What is the fertilizable life span of an oocyte?

Answer 7

12-24 hours

Question 8

What is the fertilizable life span of sperm?

Answer 8

48-72 hours

Question 9

At what stage does the embryo reach the 2-cell stage?

Answer 9

After 30 hours

Question 10

What does the morula resemble?

Answer 10

Mulberry at 4th week enters uterine cavity

Kalam moori

Question 11

When does the morula enter the uterine cavity?

Answer 11

4th day

Question 12

What is the endometrium of the pregnant uterus called?

Answer 12

Decidua

Question 13

When does implantation occur?

Answer 13

6th day, completed by 10-11th day

Arathu arathu keri

Question 14

What are the four stages of implantation?

Answer 14

• Apposition
• Adhesion
• Penetration
• Invasion

Question 15

What are the three layers of the decidua?

Answer 15

• Superficial compact
• Intermediate spongy
• Basal layer

Question 16

What is the fetal part of the placenta called?

Answer 16

Chorion frondosum

Question 17

What is the diameter of the placenta at term?

Answer 17

15-20 cm

Question 18

What is the volume of the placenta?

Answer 18

500 ml

Question 19

What is the thickness of the placenta considered abnormal?

Answer 19

Above 45 mm normal 30 mm

Question 20

What is the outer layer of fetal membranes?

Answer 20

Chorion

Question 21

What is the inner layer of fetal membranes?

Answer 21

Amnion

Question 22

What is the specific gravity of amniotic fluid?

Answer 22

1.010

Question 23

What does meconium staining green indicate?

Answer 23

Fetal distress

Treess green

Question 24

What is the normal length of the umbilical cord?

Answer 24

40 cm, with a variation of 30-100 cm

Question 25

What is the ovular or germinal period?

Answer 25

First 2 weeks after ovulation

Question 26

When does the embryonic period begin and end?

Answer 26

Begins at 3rd week after ovulation, ends at 8 weeks of conception

Question 27

When does the fetal period begin and end?

Answer 27

Begins at 8th week following ovulation, ends in delivery

Question 28

What is Hasse's rule used for?

Answer 28

Calculation of length of baby in pregnancy

Question 29

What is the crown heel measurement used for?

Answer 29

To measure growth during the first 5 months of pregnancy= squareing the number of lunar month in which the pregnancy belongs to

Question 30

5th day

Answer 30

Blastocyst

Question 31

Formation of placenta and completion

Answer 31

6th week ends by 12 th week

Question 32

Placental separation occurs through

Answer 32

Spongy layer

Question 33

Weight of placenta at term

Answer 33

500gm 1:6 proportional of wt of baby

Question 34

Meconium staining golden

Answer 34

Rh in compactability

Question 35

Ms greenish yellow

Answer 35

Post maturity Palil safforn mature aayal

Question 36

Dark brown tobacco colour

Answer 36

Iud Tobacco causes death

Question 37

Aminotic fluid is replaced every

Answer 37

3 he

Question 38

50 ml A.f

Answer 38

12 weeks Douhridam pancha mangayodu kothi

Question 39

400 ml Af

Answer 39

20 weeks 5th month Ford caril

Question 40

1 litre af

Answer 40

36_38week 600-800 ml at term

Question 41

Post maturity AF

Answer 41

200ml

Question 42

What is the formula to estimate gestational age using CRL?

Answer 42

Age of fetus = CRL in cm + 65 weeks

Question 43

At what day does the first heartbeat occur during fetal development?

Answer 43

21 th day

Question 44

What key development occurs between 8 to 12 weeks post conception?

Answer 44

External genitalia develops

Question 45

What is present at 20 weeks of fetal development?

Answer 45

Lanugo & vernix caseosa

Question 46

At 28 weeks, where do the testes descend?

Answer 46

Into internal inguinal ring

Question 47

At 36 weeks, where does one testicle move to?

Answer 47

Into scrotum and languo disappear

Question 48

What is the significance of a Lecithin: sphingomyelin (L:S) ratio of 2:1?

Answer 48

Signifies full maturity of fetal lung

Question 49

What does the umbilical artery undergo immediately after birth?

Answer 49

Functional closure

Question 50

What is the time frame for the anatomical closure of the umbilical artery?

Answer 50

2-3 months

Question 51

What structure becomes the ligamentum arteriosum after birth?

Answer 51

Ductus arteriosus

Question 52

When does the foramen ovale undergo functional closure?

Answer 52

Soon after birth

Question 53

What weight does the uterus reach at term?

Answer 53

900-1000 gm

Question 54

What are the three distinct layers of the uterine muscle fibers?

Answer 54

* Outer longitudinal * Inner circular * Intermediate

Question 55

What is the thickest and strongest layer of the uterine muscle?

Answer 55

Intermediate layer

Question 56

What physiological change occurs to the uterus during pregnancy?

Answer 56

Lateral obliquity with dextrorotation

Question 57

What type of contractions occur in pregnancy?

Answer 57

Braxton-Hick's contractions

Question 58

What is the total weight gain during pregnancy?

Answer 58

11 kg

Question 59

What is the estimated increase in plasma volume during pregnancy at term?

Answer 59

6.5 L

Question 60

What is the normal albumin:globulin ratio during pregnancy near term?

Answer 60

1:1

Question 61

What state does pregnancy create in terms of coagulation?

Answer 61

Hypercoagulable state

Question 62

What is the total iron requirement during pregnancy?

Answer 62

1000 mg

Question 63

What is the daily iron requirement during the second half of pregnancy?

Answer 63

6-7 mg

Question 64

What is the daily calcium requirement during pregnancy and lactation?

Answer 64

1-1.5 gm

Question 65

Fill in the blank: The disproportionate increase in plasma and RBC volume during pregnancy leads to _______.

Answer 65

Physiological anemia

Question 66

40 weeks

Answer 66

Both in to scrotum

Question 67

Proximal part of umbilical artery

Answer 67

Superior vesical artery

Question 68

Distal part of umbilical artery

Answer 68

Lateral umbilical ligament