Human Reproductive System: Gametes and Sperm Production
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Questions and Answers

What is the main function of Sertoli cells in the seminiferous tubules?

  • To release sperm through the duct system
  • To separate the testes into lobules
  • To control sperm production and create the blood-testes barrier (correct)
  • To produce sperm

Why do the dartos and cremaster muscles contract in cold weather or cold water?

  • To keep the testes warm and at a stable temperature (correct)
  • To increase sperm production
  • To reduce the temperature of the testes
  • To release sperm through the duct system

What is the purpose of the tunica albuginea in the testes?

  • To control sperm production
  • To separate the testes into lobules
  • To release sperm through the duct system
  • To cover the testes and separate each one into lobules (correct)

How many chromosomes do a sperm cell and an oocyte combine to form?

<p>46 (B)</p> Signup and view all the answers

What is the role of the seminiferous tubules in the testes?

<p>To develop sperm (B)</p> Signup and view all the answers

Why is it important for the testes to be at a cooler temperature than normal body temperature?

<p>To optimize sperm production and development (D)</p> Signup and view all the answers

What happens to the corpus luteum if pregnancy does not occur within 10-12 days?

<p>It degrades and progesterone decreases (A)</p> Signup and view all the answers

What determines the amount of milk produced in breast milk?

<p>None of the above (D)</p> Signup and view all the answers

What is the term for the process of developing sperm cells?

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

What is the purpose of the placebo pills in hormonal birth control?

<p>To initiate menses (C)</p> Signup and view all the answers

How many sperm cells are produced from one spermatogonia cell?

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

What is the primary factor that determines the development of male reproductive system?

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

What is the effect of poor nutrition on puberty in females?

<p>It leads to an earlier onset of puberty (C)</p> Signup and view all the answers

What is the main function of the mitochondria in the midpiece of the sperm cell?

<p>To produce ATP (A)</p> Signup and view all the answers

Where do the newly formed sperm cells continue to mature?

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

What is a characteristic of puberty in males?

<p>Hair growth and deepening of the voice (B)</p> Signup and view all the answers

What is the percentage of sperm in semen?

<p>5% (D)</p> Signup and view all the answers

What is the function of the bulbourethral glands?

<p>To release fluid to lubricate and clean away urine residue (C)</p> Signup and view all the answers

What is the term for the failure of one or both testes to descend into the scrotum prior to birth?

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

What is the hormone responsible for differentiating male sexual reproductive organs in a fetus?

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

What is the structure that protects the urethra and female reproductive system in the female external reproductive area?

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

What is the term for the external female reproductive area?

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

What is the primary function of the microorganisms present in the vagina?

<p>To protect from pathogens (B)</p> Signup and view all the answers

What is the approximate duration of an ovarian cycle?

<p>28 days (C)</p> Signup and view all the answers

What is the term for the growth and development of follicles?

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

What is the number of cells that an oocyte can split into during meiosis?

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

What is the type of cell that inherits mitochondrial DNA from the mother?

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

What is the term for the death of multiple follicles during the ovarian cycle?

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

What is the hormone that stimulates the granulosa and theca cells to produce estrogen?

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

What is the structure that forms from the collapsed follicle after ovulation?

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

What is the purpose of the cilia in the uterine tubes?

<p>To create a current for the oocyte to travel (B)</p> Signup and view all the answers

What is the phase of the menstrual cycle characterized by the regeneration of the endometrium?

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

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