32 Questions
What is the average weight gain per month during the first trimester of pregnancy?
1 lbs.
Why does morning sickness occur during pregnancy?
Increase in hormones and decrease in peristalsis
What is the primary reason for the increase in oxygen demand during pregnancy?
Uterus pushing on the diaphragm
What is the purpose of Montgomery glands during breastfeeding?
To prevent nipple chapping or cracking
What is the name of the process by which the uterus returns to its original size after childbirth?
Involution
What is the name of the score used to evaluate a newborn's health in the first few minutes after birth?
APGAR score
What is the primary function of brown fat in newborns?
Temperature regulation
What is the duration of the postpartum period?
6 weeks
What is the name of the hormone responsible for milk production during breastfeeding?
Prolactin
What is the type of milk produced during the first 3 days postpartum?
Colostrum
What is the primary function of capacitation in sperm cells?
To enable the sperm cell's enzymes to penetrate the oocyte
Why do most sperm cells die during fertilization?
Due to the acidic environment
What happens to the oocyte after it is fertilized?
It becomes impenetrable to other sperm cells
What is the result of two oocytes being released and fertilized?
Fraternal twins
What is the purpose of the slow block mechanism?
To prevent multiple sperm cells from fertilizing the oocyte
What is the result of fertilization?
A diploid zygote
What is the term for the time it takes for the offspring to develop?
Gestation
During which weeks of gestation is the offspring called an embryo?
Weeks 3-8
What is the term for the cells of the blastocoel that become the embryo?
Totipotent
What is the purpose of human chorionic gonadotropin (HCG) during implantation?
To allow the corpus luteum to survive
What is the term for the condition in which the placenta covers the opening to the cervix?
Placenta previa
During which weeks of gestation does the placenta develop?
Weeks 4-12
What is the result of a lack of folate in the diet during pregnancy?
Spina bifida
When can movement be felt during pregnancy?
Week 16
What is the average weight of a newborn?
5.5-8.8 lbs.
What is the hormone that helps loosen ligaments at the hip joint and dilate the cervix?
Relaxin
What is the approximate amount of breast milk produced by females per infant?
1.5 liters
What is the special property of breast milk that helps remove bilirubin from infants?
Laxative property
What is the total number of chromosome pairs in humans?
23
What is the term for the outward appearance and behavior of an individual?
Phenotype
What is the term for a copy of a gene?
Allele
What type of genes would both show in the phenotype, like the AB blood type?
Co-dominant genes
Learn about the process of fertilization, including the journey of sperm cells, capacitation, and the role of the oocyte. Discover the challenges sperm cells face and the brief window of opportunity for fertilization to occur.
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