Anatomy Lesson 25: Ovulation and Implantation Quiz
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Questions and Answers

In ectopic pregnancy, implantation can occur outside the uterus due to what abnormality?

  • Blastocyst unable to develop in the uterus
  • Growth of the embryo and placenta
  • Increased vascularity at the implantation site (correct)
  • Endometrial shedding during the menstrual phase

What symptoms are commonly associated with ectopic pregnancy?

  • Joint pain and eye problems
  • Back pain and dizziness
  • Abdominal pain and vaginal bleeding (correct)
  • Headaches and nausea

How does the epithelium at abnormal implantation sites respond to the blastocyst?

  • Increased vascularity (correct)
  • Decreased supportive changes
  • No change in response
  • Decreased vascularity

Why are ectopic pregnancies considered medical emergencies?

<p>Potential rupture of blood vessels (C)</p> Signup and view all the answers

What is the most common symptom of ectopic pregnancy?

<p>Abdominal pain and vaginal bleeding (C)</p> Signup and view all the answers

What is the most significant risk associated with ectopic pregnancies?

<p>Rupture of blood vessels (A)</p> Signup and view all the answers

What hormone prevents the degeneration of corpus luteum if fertilization occurs?

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

In the absence of fertilization, what causes a mass of fibrotic scar tissue to form from the degenerated corpus luteum?

<p>Reduction in progesterone levels (D)</p> Signup and view all the answers

What secretes human chorionic gonadotropin (hCG) in the context of pregnancy?

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

What is the function of progesterone in maintaining the endometrial wall?

<p>Maintaining endometrium thickness (C)</p> Signup and view all the answers

How does human chorionic gonadotropin (hCG) contribute to ectopic pregnancy?

<p>Prevents degeneration of corpus luteum in an ectopic pregnancy (C)</p> Signup and view all the answers

What is the primary role of fimbriae in oocyte transport?

<p>Sweeping over the ovary surface to catch the oocyte (B)</p> Signup and view all the answers

What hormone is responsible for causing ovulation?

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

What is the role of the corpus luteum after ovulation?

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

What happens to the remaining cells of the ruptured follicle under the influence of LH?

<p>They develop into yellowish pigment cells (A)</p> Signup and view all the answers

Which hormone is responsible for thickening the endometrium during the secretory phase of the menstrual cycle?

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

What triggers the release of the oocyte surrounded by the cumulus oophorus during ovulation?

<p>Increased LH levels (A)</p> Signup and view all the answers

The expansion of the secondary follicle into a preovulatory follicle is primarily influenced by which hormone?

<p>Follicle-Stimulating Hormone (FSH) (D)</p> Signup and view all the answers

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