18 Questions
Which hormone stimulates the lining of the uterus to thicken and become rich in blood vessels?
Estrogen
During which stage of the menstrual cycle does ovulation occur?
Ovulation stage
What hormone does the corpus luteum secrete?
Progesterone
What does high levels of Estrogen in the blood signal the pituitary gland to do?
Decrease FSH secretion
Which stage of the menstrual cycle involves the breakdown of the uterine wall and the unfertilized egg passing out of the body?
Menstruation stage
What happens if the egg is fertilized?
Corpus luteum degenerates
Which hormone is responsible for promoting/initiating sperm production?
Follicle-Stimulating Hormone (FSH)
In which type of fertilization are fertilized eggs laid outside the female’s body?
Oviparity
What triggers external fertilization in aquatic environments?
Water temperature
Which hormone assists spermatogenesis and initiates the production of testosterone in the testes?
Luteinizing Hormone (LH)
What is a common characteristic of animals that use internal fertilization?
Sperm reaches eggs in dry external environments
Which hormone is involved in the initiation of sperm production?
Follicle-Stimulating Hormone (FSH)
What causes the decrease in Progesterone levels if fertilization does not occur?
Thickened uterine walls shedding
Which hormone decreases if fertilization does not occur?
Progesterone
Where does fertilization occur in the female reproductive system?
Fallopian tube
What is the product of the fusion between a haploid sperm and a haploid egg?
Zygote
How do fraternal twins differ from identical twins in terms of fertilization?
Identical twins are created when separate eggs are fertilized by different sperm
What process occurs after the egg has been released in the fallopian tube?
Cleavage
This quiz covers the menstrual cycle on day 28 if fertilization does not occur, including the breakdown of the corpus luteum and decrease in progesterone levels. It also explores what happens if fertilization does occur, leading to the prevention of menstruation and the formation of a zygote.
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