Biology: Male Reproductive System

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Questions and Answers

What happens to the primary oocytes during fetal development?

  • They start preparing for ovulation
  • They halt development until puberty (correct)
  • They start dividing by meiosis
  • They start producing progesterone

What is the primary function of the corpus luteum?

  • Producing estrogen
  • Producing progesterone (correct)
  • Releasing oocytes from the ovary
  • Stimulating folliculogenesis

What determines which follicle becomes the dominant follicle?

  • Size, number of cells, and number of FSH receptors (correct)
  • Number of FSH receptors only
  • Estrogen levels only
  • Size of the follicle only

What happens to the majority of follicles during folliculogenesis?

<p>They all undergo atresia (C)</p> Signup and view all the answers

What is the purpose of the uterine tubes?

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

What is the primary function of the epididymis?

<p>To continue the maturation of sperm (A)</p> Signup and view all the answers

What is the main function of the seminal vesicles?

<p>To contribute 60% of semen volume (C)</p> Signup and view all the answers

What is the primary function of the prostate gland?

<p>To secrete fluid to coagulate the semen (C)</p> Signup and view all the answers

What is the role of NO in the penis?

<p>To dilate blood vessels and rapidly increase blood volume (D)</p> Signup and view all the answers

What is the role of FSH in the male reproductive system?

<p>To stimulate spermatogenesis and the release of inhibin (D)</p> Signup and view all the answers

What are the two interrelated processes of the ovarian cycle?

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

What is the function of the dartos and cremaster muscles in the male reproductive system?

<p>To raise and lower the testes (C)</p> Signup and view all the answers

What is the term for the failure of the testes to descend before birth?

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

What is the purpose of the Sertoli cells in the testes?

<p>To eliminate germ cells and promote sperm production (D)</p> Signup and view all the answers

What is the approximate duration of one cycle of spermatogenesis?

<p>64 days (B)</p> Signup and view all the answers

What is the structure of a formed sperm?

<p>Head, mid-piece, and tail (C)</p> Signup and view all the answers

How many haploid daughter cells are produced at the end of one cycle of spermatogenesis?

<p>4 (D)</p> Signup and view all the answers

What happens to the endometrial tissue and blood during the menses phase of the menstrual cycle?

<p>They are shed. (C)</p> Signup and view all the answers

What is the function of the areolar gland?

<p>To secrete lubrication fluid to prevent chaffing. (C)</p> Signup and view all the answers

How do hormonal birth control methods work?

<p>By providing constant hormone levels to prevent ovulation. (C)</p> Signup and view all the answers

What determines the sex of an embryo?

<p>The SRY gene and testosterone secretion. (D)</p> Signup and view all the answers

What is the result of missing a day of hormonal birth control?

<p>Ovulation may occur. (B)</p> Signup and view all the answers

What is the characteristic sign of puberty in females?

<p>Fat deposition into the breasts and hips. (C)</p> Signup and view all the answers

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