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The peak secretion of estradiol, the primary type of estrogen, during the menstrual cycle [28 days] occurs at day:
1. 6
2. 13
3. 22
4. 27

All the following are functions of progesterone in females except:

If the pituitary gland is removed, spermatogenesis can still be initiated at puberty by giving:
1. Testosterone alone
2. Testosterone and LH
3. LH and FSH
4. Testosterone and FSH

The hormone that promotes the maintenance of the corpus luteum during the beginning of pregnancy is:
1. Luteinizing hormone
2. Human chorionic gonadotropin
3. Human somatomammotropin
4. Follicle stimulating hormone

During pregnancy the stimulatory effects of prolactin on milk production is inhibited primarily by:
1. High levels of progesterone
2. High levels of estrogen
3. Low levels of LH
4. Low levels of FSH

The most common fate of a follicle in the ovary will be:

In the diagram of a secondary follicle shown below, what labeled structure would later be responsible for prevention of polyspermy?

1. 1
2. 2
3. 3
4. 4

The main hormone controlling the follicular stage of the ovarian cycle is:
1. Estrogen
2. Progesterone
3. LH
4. FSH

Theca cells of the follicle synthesize:
1. Androgens
2. Estrogen
3. Progesterone
4. Androgen binding protein

After ovulation progesterone is secreted by:
1. Theca lutein cells
2. Granulosa lutein cells
3. Corona radiata
4. Syncytiotrophoblast cells

In the given diagram of a blastocyst, the labeled part that takes forms the placenta will be:

1. 1
2. 2
3. 3
4. 4

The maximum number of follicles will be seen in the ovary at:
1. 12 weeks of gestational life
2. 20 weeks of gestational life
3. Puberty
4. Menopause

Testosterone is carried from the Leydig cells to seminiferous tubules by:
1. Androgen binding proteins
2. Sertoli cells
3. Tubuli recti
4. Blood

The seminal plasma must be capable of fulfilling all the following tasks except:

The endometrium differentiates itself and attains its full maturity during the:
1. Follicular phase of the ovarian cycle
2. Menstrual phase of the uterine cycle
3. Proliferative phase of the uterine cycle
4. luteal phase of the ovarian cycle