Male Reproductive System: Testes and Gametes

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Questions and Answers

Where are sperm stored until ejaculation occurs?

  • In the tail of the epididymis (correct)
  • In the prostate gland
  • In the duct system
  • In the seminal vesicles

What is the function of the seminal vesicles?

  • To regulate the pH of the vagina
  • To produce testosterone
  • To contribute to the semen volume (correct)
  • To store sperm

What is the purpose of the bulbourethral glands?

  • To regulate the pH of the vagina
  • To produce testosterone
  • To store sperm
  • To lubricate the end of the urethra and vagina (correct)

What is the primary function of testosterone?

<p>To keep the male reproductive system working properly (A)</p> Signup and view all the answers

What is the purpose of the ovarian cycle?

<p>To produce a female gamete (C)</p> Signup and view all the answers

How many phases are there in the ovarian cycle?

<p>3 (D)</p> Signup and view all the answers

What is the main function of the uterine tubes?

<p>Propel the oocyte towards the uterus (C)</p> Signup and view all the answers

Which hormone causes the hypothalamus to reduce production of GnRH, FSH, and LH?

<p>Estrogen (B)</p> Signup and view all the answers

What happens if implantation does not occur within 10-12 days?

<p>The corpus luteum degrades into corpus albicans (B)</p> Signup and view all the answers

During ovulation, what is expelled from the ovary?

<p>Secondary oocyte (D)</p> Signup and view all the answers

How many primary oocytes are present in an infant?

<p>1-2 million (A)</p> Signup and view all the answers

What leads to the decline of most follicles and allows a dominant follicle to survive?

<p>Death of other follicles (A)</p> Signup and view all the answers

Which type of cell carries 23 chromosomes and is specialized for reproduction?

<p>Sperm (C)</p> Signup and view all the answers

Where are the testes located to ensure they stay approximately 2-3 degrees cooler than body temperature?

<p>Inside the scrotum (C)</p> Signup and view all the answers

What do the dartos and cremaster muscles do in relation to the testes?

<p>Contract to pull the testes closer to the body (B)</p> Signup and view all the answers

What is the function of Sertoli cells in the testes?

<p>Promote sperm production and create the blood-testis barrier (C)</p> Signup and view all the answers

At what stage does spermatogenesis begin?

<p>After puberty (C)</p> Signup and view all the answers

Which cells are the stem cells or germ cells of the testes?

<p>Spermatogonia (A)</p> Signup and view all the answers

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