The nurse is reviewing the menstrual cycle with a client who is experiencing menstrual irregularities. The nurse teaches that during the menstrual cycle, the majority of progesterone is secreted by the:
1. hypothalamus.
2. corpus luteum.
3. ovarian follicle.
4. anterior pituitary gland.
Correct Answer: 2
Rationale 1: The hypothalamus does not secrete progesterone.
Rationale 2: The corpus luteum is the remnant of the ovarian follicle, which remains in the ovary. It secretes steadily increasing amounts of progesterone for 12 days, unless the ovum is fertilized.
Rationale 3: The ovarian follicle does not secrete progesterone.
Rationale 4: The anterior pituitary gland does not secrete progesterone.
Global Rationale: The corpus luteum is the remnant of the ovarian follicle, which remains in the ovary. It secretes steadily increasing amounts of progesterone for 12 days, unless the ovum is fertilized. The hypothalamus, ovarian follicle, and anterior pituitary do not secrete progesterone.
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