30 Questions
What is the main reason for the irregular function leading to menopause?
Ovarian follicles and eggs disappearing through atresia.
What happens to the ovaries during menopause?
They lose their ability to produce eggs.
What primarily causes menopause?
Ovarian failure due to loss of ovarian follicles and eggs.
Which hormone decreases during menopause, leading to decreased negative feedback on gonadotropin secretion?
Estrogen
How do the hypothalamus and anterior pituitary respond during menopause?
They continue to function relatively normally.
What contributes to the decrease in success rate of the procedure mentioned in the text?
Less negative feedback on gonadotropin secretion.
During which phase of the ovarian cycle does ovulation occur?
Follicular phase
Which hormone is primarily responsible for the thickening of the endometrium in preparation for implantation?
Progesterone
What is the main function of the corpus luteum in the ovarian cycle?
Produce progesterone
Which event directly follows fertilization in the process of oocyte maturation?
Migration
What is the role of estrogen in the female reproductive system?
Regulating menstrual cycle
In what process is the oocyte surrounded by follicular cells and undergoes maturation within a fluid-filled sac called a follicle?
Oogenesis
During which phase of the ovarian cycle is the egg released from the ovary?
Phase 3
What is the role of the corpus luteum in the ovarian cycle?
Produces large amounts of progesterone
When does the hypothalamus signal the pituitary gland to secrete FSH and LH in the ovarian cycle?
During Phase 2
What hormones prepare and release the egg in the ovarian cycle?
Estrogen and progesterone
What happens if fertilization of the egg does not occur in the ovarian cycle?
Progesterone production decreases
At what age does puberty generally occur in females?
10-12 years old
What is the main process that occurs during oogenesis?
Meiosis
Which of the following is responsible for the maturation of the oocyte in females?
LH (Luteinizing Hormone)
What triggers ovulation in the ovarian cycle?
Rise in LH levels
Which hormone is primarily responsible for preparing the uterus for a potential pregnancy?
Progesterone
In which phase of the ovarian cycle does the dominant follicle develop?
Follicular phase
What is the role of estrogen in the female reproductive system?
Promote secondary sexual characteristics
Which hormone is responsible for preparing the uterus for pregnancy and is important in the menstrual cycle?
Progesterone
What is the function of relaxin in the female reproductive system?
Enlarging the pelvic opening during childbirth
What is the primary male hormone responsible for the development of typical male characteristics like a deep voice?
Testosterone
Which female sex hormone gives women their female characteristics?
Estrogen
What causes ovulation in females?
Luteinizing hormone
What process is stimulated by follicle-stimulating hormone (FSH) in males?
Sperm production
Learn about the ovarian cycle and menstrual cycle, including the phases involved in a 21-35 day cycle. Understand the hormonal changes, egg production, and preparation of the uterus for pregnancy. Dive into the role of FSH, LH, estrogen, and progesterone in the process.
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