Fertilization

Question 1

Embryo is in the first 8 weeks

Answer 1

Prenatal Development

Question 2

This is when after 1 week of fertilization, the fertilized egg will now move and attach to the uterus

Answer 2

Pre Implantation

Question 3

When does Pre Implantation Occur

Answer 3

1st Week

Question 4

Week where tissue layers are developed

Answer 4

2nd week

Question 5

When does fetal period occur and the body parts will grow

Answer 5

After 8 weeks

Question 6

Pregnancy is numbered and measured by

Answer 6

weeks

Question 7

When does Fetal Development end

Answer 7

at Birth

Question 8

Sperm cell attaches to the jelly coat of the egg

Answer 8

Fertilization

Question 9

Number of days that sperm cells can survive in a woman’s body

Answer 9

3 days

Question 10

Number of hours that oocytes need to be fertilized after being released

Answer 10

12 to 24 hrs

Question 11

A mechanism that aids in fertilization where chemicals are released to drive sperm cells away

Answer 11

Capacitation

Question 12

When the Sperm Cell attaches to the jelly coat of the egg, it first comes in contact with what

Answer 12

Corona Radiata

Question 13

Contains digestive enzymes that eat away the jelly layer

Answer 13

Acrosome Cap

Question 14

What the sperm cell penetrates the egg cell, it burst and is able to penetrate what

Answer 14

Glycoprotein layer of egg

Question 15

What begins when the sperm and secondary oocyte meet

Answer 15

Fertilization

Question 16

A species-specific boundary involved in Sperm-Egg recognition

Answer 16

Vitelline Layer

Question 17

Formed during fertilization, when the DNA of the sperm and the egg combine

Answer 17

Diploid Zygote

Question 18

Occurs when the DNA of the sperm and the egg fuse, and if the two sets of chromosomes called pro-nuclei appear

Answer 18

DNA Replication

Question 19

Entrance of multiple sperms

Answer 19

Polyspermy

Question 20

The formation, maturation, and union of the Ovum and Sperm

Answer 20

Fertilization

Question 21

Role of Ovum or Sperm?

Contribute the maternal component of genes

Answer 21

Role of Ovum

Question 22

Role of Ovum or Sperm?

Reach and penetrate the egg

Answer 22

Role of Sperm

Question 23

Role of Ovum or Sperm?

Reject all sperms but one

Answer 23

Role of Ovum

Question 24

Role of Ovum or Sperm?

Activate the egg to nuclear and cytoplasmic division necessary to embryonic development

Answer 24

Role of Sperm

Question 25

Role of Ovum or Sperm? Provide food reserve until the embryo begins to feed upon exogenous material

Answer 25

Role of Ovum

Question 26

Role of Ovum or Sperm? Contribute the paternal complement of genes

Answer 26

Role of Sperm

Question 27

Changes that occur between sperm and ovum to allow only one sperm to successfully penetrate the ovum

Answer 27

Capacitation

Question 28

Mitotic division of the zygote into a morula

Answer 28

Cleavage

Question 29

Ball of cells that will form a blastula that will implant in the uterus

Answer 29

Morula

Question 30

Stages of Fertilization

Answer 30

Penetration Activation Nuclear Fusion

Question 31

Stages of Fertilization - Random contact between sperm and egg - Sperm propels past corona cells and attach to zona pellucida

Answer 31

Penetration

Question 32

Stages of Fertilization Completion of Meiosis of ovum which forms female pronucleus

Answer 32

Activation

Question 33

Stages of Fertilization - Union of 2 pronuclei - Loss of nuclear envelope, contribution of chromosomes to first mitotic cleavage

Answer 33

Nuclear Fusion

Question 34

The time the sex will be identified

Answer 34

Conception

Question 35

Determines if the chromosome will be an X or a Y

Answer 35

Sperm Cell

Question 36

Oocyte will always carry what chromosome

Answer 36

X chromosome

Question 37

The rapid succession of cell division

Answer 37

Cleavage (The Blastula Stage)

Question 38

Zygotes undergo cell divisions and the produced cells are called?

Answer 38

Blastomeres

Question 39

What do zygotes undergo after fertilization?

Answer 39

Mitosis and Cleavage

Question 40

When do blastocysts begin to attach to the endometrium of the uterus in the process of implantation

Answer 40

1 week after Conception

Question 41

A process where the trophoblast cell of the blastocyst secrete Human Chronic Gonadotropin (HCG)

Answer 41

Implantation

Question 42

Chemical that is detected in pregnancy test kits

Answer 42

Human Chronic Gonadotropin (HCG)

Question 43

When is the secondary oocyte released

Answer 43

After ovulation

Question 44

Stages of Prenatal Development

Answer 44

- Pre-embryonic period - Embryonic period - Fetal period

Question 45

3 Primary germ cells

Answer 45

Ectoderm Mesoderm Endoderm

Question 46

Primary Germ cells: - Layer nearest to amniotic cavity - Differentiates into skin and nervous tissue and parts of the glands

Answer 46

Ectoderm

Question 47

Primary Germ cells: - Middle Layer - Differentiates into structures like muscles

Answer 47

Mesoderm

Question 48

Primary Germ cells: Layer closer to blastocyst cavity

Answer 48

Endoderm

Question 49

Stages of Prenatal Development: First 2 weeks after fertilization of egg/formation of zygote

Answer 49

Pre-embryonic

Question 50

Stages of Prenatal Development: 3rd through 8th weeks when all major organ system begin to develop

Answer 50

Embryonic

Question 51

Stages of Prenatal Development: 9th through 38th weeks when growth dominates

Answer 51

Fetal

Question 52

Stages of Prenatal Development: When does fetal period end

Answer 52

At birth

Question 53

Failure to be pregnant after 1 year or more even after regular unprotected intercourse

Answer 53

Infertility

Question 54

Probability of a women getting pregnant during a single menstrual cycle

Answer 54

30%

Question 55

Probability of pregnancies advancing beyond week 20

Answer 55

50% to 60%

Question 56

Sperm count of a fertile man

Answer 56

48 million/mL of semen

Question 57

Sperm motility of a fertile man (%)

Answer 57

63% of the sperms

Question 58

Sperm morphology of a fertile man (normal shape and structure)

Answer 58

More then 12% of sperms

Question 59

Sperm count of an infertile man

Answer 59

Below 13.5 million/mL of semen

Question 60

Sperm motility of an infertile man

Answer 60

Less than 32% of the sperms

Question 61

Sperm morphology of an infertile man (normal shape and structure)

Answer 61

Fewer then 9% of sperm

Question 62

7 Temporary and Lifestyle Causes of Low Sperm Count

Answer 62

1. Emotional Stress 2. Testicular Overheating 3. Substance Abuse 4. Smoking 5. Malnutrition and Nutrient Deficiencies 6. Obesity 7. Bicycling

Question 63

The inability to achieve and sustain an erection suitable for sexual intercourse

Answer 63

Erectile Dysfunction