Anatomy Lesson 25: Ovulation and Implantation Quiz

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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?

Potential rupture of blood vessels Signup and view all the answers

What is the most common symptom of ectopic pregnancy?

Abdominal pain and vaginal bleeding Signup and view all the answers

What is the most significant risk associated with ectopic pregnancies?

Rupture of blood vessels Signup and view all the answers

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

Human chorionic gonadotropin (hCG) 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?

Reduction in progesterone levels Signup and view all the answers

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

Corpus luteum Signup and view all the answers

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

Maintaining endometrium thickness Signup and view all the answers

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

Prevents degeneration of corpus luteum in an ectopic pregnancy Signup and view all the answers

What is the primary role of fimbriae in oocyte transport?

Sweeping over the ovary surface to catch the oocyte Signup and view all the answers

What hormone is responsible for causing ovulation?

Luteinizing Hormone (LH) Signup and view all the answers

What is the role of the corpus luteum after ovulation?

Produce progesterone Signup and view all the answers

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

They develop into yellowish pigment cells Signup and view all the answers

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

Progesterone Signup and view all the answers

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

Increased LH levels Signup and view all the answers

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

Follicle-Stimulating Hormone (FSH) Signup and view all the answers