Ovum Fate and Luteal Phase Quiz

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Questions and Answers

During which phase of the menstrual cycle does the corpus luteum reach maximum development if fertilization does not occur?

  • Proliferative Phase
  • Menstrual Phase
  • Luteal Phase (correct)
  • Ovulatory Phase

What is the fate of the ovum if it is not fertilized within 24 hours?

  • Degenerates (correct)
  • Remains in the fallopian tube
  • Forms the zygote
  • Develops into the corpus hemorragicum

Which hormone is responsible for influencing the growth and development of the corpus luteum during pregnancy?

  • Follicle-stimulating hormone
  • Chorionic gonadotrophic hormone (correct)
  • Estrogen
  • Luteinizing hormone

What occurs to the ruptured Graafian follicle after ovulation?

<p>Collapses and fills with blood to form the corpus hemorragicum (D)</p> Signup and view all the answers

What happens to the corpus luteum if fertilization does not occur?

<p>Degenerates and forms a mass of fibrotic tissue called corpus albicans (C)</p> Signup and view all the answers

When does the ovum form the zygote?

<p>After completion of the 2nd maturation division when fertilized by a sperm (B)</p> Signup and view all the answers

What stimulates a number of primordial follicles to grow at the beginning of each ovarian cycle?

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

Which cells proliferate to form granulosa cells in the follicle development process?

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

What differentiates from the connective tissue stroma of the ovary during follicle development into an inner vascular and cellular layer?

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

Which of the following correctly describes a mature Graafian follicle?

<p>Contains a large antrum filled with follicular fluid (A)</p> Signup and view all the answers

At what stage is the secondary oocyte in a Graafian follicle during ovulation?

<p>Metaphase of its second meiotic division (A)</p> Signup and view all the answers

Which layer surrounds the follicular cavity within the Graafian follicle?

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

What is the main role of estrogen secreted by the mature follicle?

<p>Inhibits FSH secretion and leads to degeneration of other growing 1ry follicles (D)</p> Signup and view all the answers

During ovulation, what happens to the 2ry oocyte?

<p>It arrests in metaphase of meiosis II 3 hours before ovulation (B)</p> Signup and view all the answers

What is responsible for the proliferative changes of the endometrium of the uterus?

<p>Estrogen secreted by the mature follicle (A)</p> Signup and view all the answers

What stimulates the secondary follicle to grow rapidly during the ovarian cycle?

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

What happens to the body temperature at the time of ovulation?

<p>It slightly elevates (D)</p> Signup and view all the answers

Where does the 2ry oocyte go after being liberated into the peritoneal cavity?

<p>It is picked up by the fimbriated end of the fallopian tube (B)</p> Signup and view all the answers

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