A school nurse is teaching a group of adolescents about oral contraceptives and how they work to prevent pregnancy
The nurse asks the students to name the part of the body that ultimately controls ovulation. Which student gives the nurse the correct answer?
1. The student who answers "The uterus"
2. The student who answers "The ovary"
3. The student who answers "The corpus luteum"
4. The student who answers "The pituitary gland"
Correct Answer: 4
Rationale 1: The uterus does not control ovulation.
Rationale 2: The ovary does not control ovulation.
Rationale 3: The corpus luteum does not control ovulation.
Rationale 4: The medications in oral contraceptives prevent ovulation by providing negative feedback to the pituitary gland, which suppresses the secretion of LH and FSH. Without LH and FSH, the ovarian follicle cannot mature, and ovulation is prevented.
Global Rationale: The medications in oral contraceptives prevent ovulation by providing negative feedback to the pituitary gland, which suppresses the secretion of LH and FSH. Without LH and FSH, the ovarian follicle cannot mature, and ovulation is prevented. Ovulation is not controlled by the uterus, ovary, or corpus luteum.
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