Question at position 6 All of these are true about the uterine cycle EXCEPT:the corpus luteum is formed from the ruptured follicle after ovulationFSH and LH directly promote the development of the endometriumthere's a decrease in the levels of estrogen and progesterone which signals menstruationestrogen is secreted by the developing follicle in the follicular phase of the uterine cycle

Question

Question at position 6 All of these are true about the uterine cycle EXCEPT:the corpus luteum is formed from the ruptured follicle after ovulationFSH and LH directly promote the development of the endometriumthere's a decrease in the levels of estrogen and progesterone which signals menstruationestrogen is secreted by the developing follicle in the follicular phase of the uterine cycle

BlackTom AI · Accepted Answer

The question asks which statement is NOT true about the uterine cycle, so we will evaluate each option for its accuracy and relevance to the uterine cycle.
Option 1: 'the corpus luteum is formed from the ruptured follicle after ovulation' This statement is accurate. After ovulation, the remnants of the ruptured follicle transform into the corpus luteum, which secretes progesterone (and some estrogen) to support the luteal phase and prepare the endometrium for possible implantation.
Option 2: 'FSH and LH directly promote the development of the endometrium' This is not correct. FSH primarily stimulates follicular development in the ovary, and LH stimulates ovulation and the formation of the corpus luteum. The endometrium is mainly influenced by estrogen and progesterone secreted by the ovaries, not directly by FSH and LH. Therefore this statement is false in describing the uterine cycle.
Option 3: 'there's a decrease in the levels of estrogen and progesterone which signals menstruation' This statement is accurate. When the corpus luteum degenerates if there is no fertilization, estrogen and progesterone levels fall, leading to shedding of the endometrium and menstruation.
Option 4: 'estrogen is secreted by the developing follicle in the follicular phase of the uterine cycle' This is true. During the follicular phase, developing follicles secrete estrogen (primarily estradiol), which stimulates endometrial thickening in preparation for potential implantation.
In summary, evaluating the relationships:
- The corpus luteum formation reflects the post-ovulation (luteal) events, aligning with option 1 as true.
- The direct hormonal drivers of endometrial development are estrogen and progesterone, not FSH/LH acting directly on the endometrium, making option 2 the incorrect statement.
- The fall in estrogen and progesterone triggering menstruation matches option 3 as true.
- Estrogen secretion by the developing follicle during the follicular phase aligns with option 4 as true.
Thus, the statement identified as not true about the uterine cycle is the one describing direct promotion of endometrial development by FSH and LH.

类似问题

Question at position 11 The female reproductive cycle is always 28 days long.TrueFalse

Which of the following can cause delayed menstruation?

Which of the following would you expect to occur if fertilisation of an oocyte did not occur?

The secretory phase of the uterine cycle is associated with:

The luteal phase is marked by high levels of FSH which stimulates the follicles to mature inside the ovary.

Question at position 10 Which of these will occur during menstruation?The corpus luteum is very activeProgesterone levels will be high The old functional layer is sloughed offThe secretory glands and blood vessels will develop in the endometriumA new uterine lining will form

If the egg is not fertilized, a period will happen?

更多留学生实用工具

智能学习助手

风格化写作助手

论文查重助手

文献引用助手

课堂转译助手

课堂笔记助手

Quiz搜索助手

学校历年真题

智能刷题助手

智能匹配练习

希望你的学习变得更简单