Menstrual Cycle

Question 1

Meiosis 1 gets arrested in

Answer 1

Diplotene stage of prophase

Question 2

Primordial follicle

Answer 2

Primary oocyte + granulosa cells + theca cells

Question 3

Initial recruitment of follicles is

Answer 3

Hormone independent

Question 4

Maximum follicles are present at

Answer 4

5th month of IUL ( 6-7 million)

Question 5

Functions of FSH

Answer 5

Prevents the follicles from undergoing atresia

Stimulates the follicles

Question 6

FSH acts on

Answer 6

Granulosa cells

Question 7

Granulosa cells secrete

Answer 7

Estrogen and inhibin B

Question 8

Function of inhibin B

Answer 8

Negative feedback on FSH

Question 9

Tumor marker for granulosa cell tumours

Answer 9

Inhibin B

Question 10

Function of estrogen

Answer 10

-ive feedback on FSH
+ive feedback on LH
proliferation of endometrium

Question 11

Effect of decrease in FSH d/t estrogen

Answer 11

All follicles die except one dominant follicle which has the max amount of FSH receptors

Question 12

What happens when LH increases

Answer 12

LH surge
Acts on theca cells to produce androgens
Acts on granulosa cells by lutenizining them