Podcast
Questions and Answers
How many spermatozoa are produced from each spermatogonium?
How many spermatozoa are produced from each spermatogonium?
What is the main role of progesterone during the luteal phase of the ovarian cycle?
What is the main role of progesterone during the luteal phase of the ovarian cycle?
Which is the common precursor for all sex hormones?
Which is the common precursor for all sex hormones?
Sertoli cells (sustentacular cells) perform all of the following functions EXCEPT:
Sertoli cells (sustentacular cells) perform all of the following functions EXCEPT:
Signup and view all the answers
At which stage of life are testosterone levels highest?
At which stage of life are testosterone levels highest?
Signup and view all the answers
What is the main stimulus for ovulation?
What is the main stimulus for ovulation?
Signup and view all the answers
What is the correct order of stages of follicle development in the ovarian cycle?
What is the correct order of stages of follicle development in the ovarian cycle?
Signup and view all the answers
What happens to hormone levels during menstruation?
What happens to hormone levels during menstruation?
Signup and view all the answers
Which hormone is responsible for the inhibition of follicle stimulating hormone (FSH) release from the pituitary gland?
Which hormone is responsible for the inhibition of follicle stimulating hormone (FSH) release from the pituitary gland?
Signup and view all the answers
Which sex hormone has a pronounced effect on skeletal muscle growth?
Which sex hormone has a pronounced effect on skeletal muscle growth?
Signup and view all the answers
During the early portion of pregnancy, the corpus luteum secretes:
During the early portion of pregnancy, the corpus luteum secretes:
Signup and view all the answers
In the follicular stage of the ovarian cycle, the ovary is:
In the follicular stage of the ovarian cycle, the ovary is:
Signup and view all the answers
If the duration of the ovarian cycle is 30 days, what is the duration of the luteal phase?
If the duration of the ovarian cycle is 30 days, what is the duration of the luteal phase?
Signup and view all the answers
What effect would a blockage of progesterone receptors in the uterus have on the endometrium?
What effect would a blockage of progesterone receptors in the uterus have on the endometrium?
Signup and view all the answers
Home-use kits for determining a woman's fertile period depend on the presence of which hormone in the urine?
Home-use kits for determining a woman's fertile period depend on the presence of which hormone in the urine?
Signup and view all the answers
In human males, testosterone is produced mainly by the:
In human males, testosterone is produced mainly by the:
Signup and view all the answers
Which of the following is NOT one of the major differences between gamete production in males and females?
Which of the following is NOT one of the major differences between gamete production in males and females?
Signup and view all the answers
Why does the vaginal environment have an acidic pH?
Why does the vaginal environment have an acidic pH?
Signup and view all the answers
What would be the consequence of the blockage of both uterine tubes?
What would be the consequence of the blockage of both uterine tubes?
Signup and view all the answers
Which of the following is NOT a male secondary sexual characteristic?
Which of the following is NOT a male secondary sexual characteristic?
Signup and view all the answers
Study Notes
Spermatogenesis
- Each spermatogonium produces 32 spermatozoa.
Ovarian Cycle
- Progesterone primarily prepares the endometrium for embryo implantation during the luteal phase.
Sex Hormone Synthesis
- Cholesterol is the precursor to all sex hormones.
Sertoli Cells
-
Sertoli cells do not secrete androgens.
- They play roles in:
- Maintaining the blood-testis barrier.
- Secreting inhibin.
- Secreting androgen-binding protein.
- They play roles in:
Testosterone Levels
- Testosterone levels are highest during puberty.
Ovulation
- Luteinising hormone (LH) release from the pituitary gland is the primary stimulus for ovulation.
Follicular Development
- The correct order of follicle development:
- Primary oocyte
- Primary follicle
- Mature follicle
- Ovulation
- Corpus luteum
Menstruation
- During menstruation, estradiol and progesterone levels fall.
Follicle Stimulating Hormone (FSH) Inhibition
- Inhibin is responsible for inhibiting FSH release from the pituitary gland.
Sex Hormone Effects
- Testosterone significantly influences skeletal muscle growth.
Early Pregnancy
- During early pregnancy, the corpus luteum secretes progesterone.
Follicular Stage
- In the follicular stage of the ovarian cycle, the ovary is maturing a follicle.
Luteal Phase Length
- If the ovarian cycle is 30 days, the luteal phase lasts for 14 days.
Endometrium & Progesterone
- Blocking progesterone receptors in the uterus inhibits endometrial development.
Fertile Period
- Home-use kits for determining a woman's fertile period detect luteinising hormone (LH) in the urine.
Testosterone Production
- Leydig cells in human males are the primary site of testosterone production.
Gamete Production Differences
- Males produce gametes throughout life, while female gamete production ceases at menopause.
Vaginal pH
- The acidic vaginal environment helps prevent infections.
Uterine Tube Blockage
- Blockage of both uterine tubes leads to sterility.
Male Secondary Sexual Characteristics
- Increased fat in the buttocks is not a typical male secondary sexual characteristic.
Studying That Suits You
Use AI to generate personalized quizzes and flashcards to suit your learning preferences.
