The first menstruation begins at puberty and is called as:
1. | Menarche | 2. | Menopause |
3. | Thelarche | 4. | Pubarche |
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The menstrual cycle starts with the:
1. | Follicular phase | 2. | Menstrual phase |
3. | Ovulatory phase | 4. | Secretory phase |
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1. | Menstrual → Follicular → Secretory → Ovulatory |
2. | Menstrual → Follicular → Ovulatory → Secretory |
3. | Ovulatory → Follicular → Secretory → Menstrual |
4. | Menstrual → Secretory → Follicular → Ovulatory |
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Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A): | LH is necessary to maintain luteal function for the second two weeks of the menstrual cycle. |
Reason (R): | If fertilization does not occur, LH is continued to be secreted in low concentration in the luteal phase. |
1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
2. | Both (A) and (R)are true but (R) is not the correct explanation of (A). |
3. | (A) is true but (R) is false. |
4. | Both (A) and (R) are false. |
The peak levels of LH and FSH are observed on day _____ of a typical menstrual cycle.
1. | 6 | 2. | 14 |
3. | 22 | 4. | 28 |
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LH surge:
1. | is a dramatic sudden increase in the levels of LH during the early part of menstrual cycle and is responsible for ovulation |
2. | is a dramatic sudden decrease in the levels of LH during the early part of menstrual cycle and is responsible for ovulation |
3. | is a dramatic sudden decrease in the levels of LH during the mid-menstrual cycle and is responsible for ovulation |
4. | is a dramatic sudden increase in the levels of LH during the mid-menstrual cycle and is responsible for ovulation |
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Corpus luteum is:
1. Ruptured Graafian follicle
2. Released ovum surrounded by cells
3. Developing follicle
4. Enzyme-secreting structure in the ovary
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Corpus luteum secretes large amounts of:
1. | LH | 2. | FSH |
3. | Progesterone | 4. | Estrogen |
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Corpus luteum is essential for:
1. Release of ovum
2. Development of follicles
3. Maintenance of endometrium
4. Contraction of the myometrium
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Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A): | In the absence of fertilization, the corpus luteum degenerates into a corpus albicans. |
Reason (R): | The levels of estrogen and progesterone are highly reduced towards the end of the luteal phase. |
Choose the most appropriate answer:
1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
3. | (A) is true but (R) is false. |
4. | Both (A) and (R) are false. |