Which of the following hormones inhibits FSH by negative feedback in the follicular phase of menstrual cycle?
Anonymous Quiz
9%
LH
3%
HCG
12%
Progesterone
76%
Estrogen
On which of the following menstrual cycle days does ovulation occur in a typical 28-day cycle?
Anonymous Quiz
0%
Day 5
0%
Day 21
3%
Day 35
97%
Day 14
Which of the following hormones causes growth and rupture of mature graafian follicle to release the ovum at the time of ovulation?
Anonymous Quiz
18%
FSH
15%
Estrogen
9%
Progesterone
59%
LH
Which of the following is/are TRUE as regards corpus luteum?
Anonymous Quiz
0%
Secretes progesterone and estrogen in postovulatory pariod.
13%
continues to grow under the effect of HCG a if pregnancy occurs
3%
It degenerates and transformed into corpus albicans if pregnancy does not occur.
84%
All of the above
Which of the following acts as a second messenger for FSH hormone?
Anonymous Quiz
94%
cAMP
0%
DNA
3%
Ca
3%
mRNA
Which of the following hormones produces shift in the histologic appearance of the endometrium to the secretory phase?
Anonymous Quiz
13%
Estrogen
6%
Follicle stimulating hormone (FSH)
9%
Luteinizing hormone (LH)
72%
Progesterone
Which of the following is/are signis of ovulation?
Anonymous Quiz
6%
Thick and cellular cervical muous temperature
13%
Secretory andometrium.
3%
Drop of basal body
6%
All of the above
72%
Only A and B
Which of the following is the portion of endometrium that shows the cyclic changes and shed with menstrual bleeding?
Anonymous Quiz
70%
Decidua functionalis
7%
Ectocervical mucosa
10%
Decidua basalis
13%
Myometrial layer
👍1
Which of the following describes the proliferative endometrium?
Anonymous Quiz
16%
Very thick (6mm)
6%
Corkscrew & secretory glands
61%
Straight and short glanda
16%
Tortuous & spiral arteries
Which of the following is/are TRUE as regards the secretory endometrium?
Anonymous Quiz
10%
Thick (5-6mm) glands
10%
Tortuous & spiral arteries
3%
Cork screw & secretory
76%
All of the above
Which of the following is correct as regards the duration of menstruation?
Anonymous Quiz
97%
3-5 days
0%
7-9 days
3%
14 days
0%
5-9 days
Which of the following describes polymenorrhea?
Anonymous Quiz
21%
Infrequent menses
42%
Regular frequent menses.
18%
Irregular bleeding
18%
None of the above
Which of the following is the predominant and most potent of the ovarian estrogens?
Anonymous Quiz
0%
Estriol
0%
Estrone
94%
Estradiol
6%
Progesterone
The granulosa cells of the ovaries secrete primarily which of the following gonadal steroids?
Anonymous Quiz
50%
Estrogen
3%
Progesterone
11%
Androgen
36%
All of the above
Aromatase acting on testosterone In the granulose cells of the ovary results to synthesis of which of hich of the the following?
Anonymous Quiz
83%
Estradiol
9%
Estrone
6%
Estriol
3%
Progesterone
Which of the following hormones causes hirsutism and deceased menses among females?
Anonymous Quiz
68%
Testosterone
11%
Dehydroepiandrosterone
21%
Dihydrotestosterone
0%
Androstenedione
Which of the following is the prevalent hormone during pregnancy?
Anonymous Quiz
9%
Estrone
0%
17ß-eatradiol
0%
Estriol
91%
Progesterons
Which of the following is/are the biologic effect's of progesterone?
Anonymous Quiz
76%
Thermogenic effect
6%
Stimulation of uterine contraction
12%
Development of breast duct
6%
Thin cervical mucus
Which of the following is/are the action's of placental estrogens?
Anonymous Quiz
61%
Increases responsiveness to oxytocin
27%
Stimulates mammary gland development (acini).
6%
Increases body temperature.
6%
Mediates production of thick cervical mucus
During pregnancy, progesterone can
Anonymous Quiz
6%
Stimulate development of the mammary glanda
6%
Prevent early onset labor
3%
Inhibit secretion of the anterior pituitary gonadotropins
86%
All of the above
Which of the following is referred to as the pregnancy hormone that maintains corpus luteum?
Anonymous Quiz
0%
17ß-estradiol
0%
Estriol
8%
Human placental lactogen (HPL)
92%
Human chorionic gonadotropin (hCG)