Hormones and the Menstrual Cycle

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Questions and Answers

Which structure stores immature sperm until ejaculation?

  • Epididymis (correct)
  • Seminal vesicles
  • Cowper's gland
  • Sperm duct

What percentage of sperm is made up of seminal fluid?

  • 60% (correct)
  • 10%
  • 25%
  • 40%

What is the function of the fallopian tubes?

  • To store eggs
  • To nourish the developing embryo
  • To transport the egg towards the uterus (correct)
  • To release eggs

What is the site of implantation and placenta formation?

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

Which of the following is NOT a function of the placenta?

<p>Metabolic waste elimination (B)</p> Signup and view all the answers

What triggers the release of hormones for milk production during breastfeeding?

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

Which birth control method involves cutting a woman's Fallopian tubes?

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

What is the main purpose of using condoms as a birth control method?

<p>Protect against sexually transmitted infections (D)</p> Signup and view all the answers

During in vitro fertilization (IVF), what is done immediately before ovulation?

<p>The eggs are removed through a narrow needle (B)</p> Signup and view all the answers

What can cause low sperm count in males?

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

What is the outermost layer that forms the skin, epidermis, and the nervous system called?

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

What is the sac that forms around the embryo and is filled with amniotic fluid called?

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

Which hormone is responsible for maintaining the endometrium and making it soft and spongy for a developing embryo to embed in?

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

What is the function of the acrosome in the sperm?

<p>To help penetrate the egg (D)</p> Signup and view all the answers

During which phase of the menstrual cycle does ovulation occur?

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

What is the main hormone involved in the development of secondary sexual characteristics in females?

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

Which hormone stimulates the development of an ovum inside the Graafian follicle?

<p>Follicle-stimulating hormone (FSH) (B)</p> Signup and view all the answers

What does oestrogen do during the menstrual cycle?

<p>Repairs and thickens the endometrium (C)</p> Signup and view all the answers

What stimulates ovulation and causes the final maturation of the Graafian follicle?

<p>Luteinising hormone (LH) (A)</p> Signup and view all the answers

What hormone is produced by the placenta to maintain the corpus luteum and the production of progesterone during pregnancy?

<p>Human chorionic gonadotropin (HCG) (B)</p> Signup and view all the answers

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