Male And Female Reproductive Endo

Question 1

Tanner stage 3 includes?

Answer 1

Enlargement of penis and breasts

Question 2

FSH does what?

Answer 2

Tells seminiferous tubules to make sperm

Question 3

What does LH do?

Answer 3

Leydig cells make testosterone

Question 4

Testosterone is highest at?

Answer 4

In morning

Question 5

Negative feedback of gonadotropin releasing hormone is done by?

Answer 5

Testosterone at hypothalamus and pituitary

Question 6

Effects of testosterone?

Answer 6

Enlargement of larynx, sperm production, bone growth and strength
Increased aggression and libido
Pubic hair pattern

Question 7

Layers of follicle?

Answer 7

Theca and granulosa zone and basement membrane between the two and egg growing in middle

Question 8

In follicular phase, Theca cells are stimulated by LH to produce?

Answer 8

CAMP converting cholesterol to androstenedione

Question 9

Progesterone peaks?

Answer 9

Cholesterol comes into granulosa cells as egg is released. Cholesterol converted to progesterone

Question 10

Oxytocin cause?

Answer 10

Contraction of myoepithelial cells of alveoli

Question 11

FSH acts on granulosa cells to stimulate production of?

Answer 11

Androstenedione to estradiol

Question 12

LH acts on theca cells to stimulate production of?

Answer 12

Androstendione
And on granulosa cells to stimulate progesterone production from cholesterol

And estradiol production from androstendione

Question 13

FSH with testosterone acts on which cells and what does it do?

Answer 13

Sertoli cells and stimulate spermatogenesis

Question 14

Delayed/absent puberty?

Answer 14

Gonadotropin releasing hormone receptor mutation
Kallmanns syndrome
Kleinfelters syndrome
Turner syndrome
Hypogonadism
Anorexia
Leptin gene disorder
FSH LH mutation

Question 15

Precocious puberty is caused by?

Answer 15

Mc-Cune Albright, premature thelarche

Question 16

In Granulosa, FSH causes cAMP to convert?

Answer 16

androstenedione to estradiol

Question 17

In luteal phase what change happens in granulosa-lutein cell?

Answer 17

Cholesterol enter allowing LH to convert it into progesterone

Question 18

How to measure if a lady is ovulating?

Answer 18

Measure her progesterone due to egg being released. Day 21

Question 19

Estrogen causes?

Answer 19

Building of lining

Question 20

Progesterone causes?

Answer 20

Secretory phase, makes lining soft and juicy for egg, spongy and encourage blood vessels

Question 21

What happens to androstenedione in granulosa cell?

Answer 21

FSH causes camp to convert it into estradiol