Steroid Hormones/Lipids

Question 1

Vertebrates hormones are divided into?

Answer 1

Steroid hormones, peptide hormones and amino acid hormones

Question 2

Steroid hormones can be grouped(sourced) into? a)….. b)…..c)…..d)….

Answer 2

Ovarian steroid hormones(C18), testicular hormones(C19), Adrenal Cortical Hormones (C21) and Corpus luteal hormones

Question 3

B-estadiol,Estriol and estrone are steroids produced in the ?

Answer 3

Ovary I.e they are ovarian hormones/steroids

Question 4

Testicular hormones steroids are from the ……….. And …………

Answer 4

Testes and adrenal gland(medulla part,)

Question 5

The testiculaer hormones produced by the testes itself are

Answer 5

Testosterone, androsterone, dehydroepiandrosterone

Question 6

Steroid hormones from the adrenal cortex include?

Answer 6

Mineralocorticoids ; Aldosterone, deoxycotecostero e and gluco corticoids; cortisone cortisol by corticosteroid

Question 7

Progesterone is a steroid produced where?

Answer 7

In the corpus luteum

Question 8

Steroid hormones are clasifiedinto

Answer 8

Glucocorticoids,mineral ocorticoids, androgens,estrogens and progesterone.

Question 9

….is a synthetic product with estrogenic activity?

Answer 9

Stilbesterol

Question 10

A derivative of stilbesterol which is physiologically more potent is …….

Answer 10

Dethystilbesterol

Question 11

Androgens are chemically derived from….

Answer 11

a C19 Hydrocarbon; androstane

Question 12

3 hormones with androgenic activities secreted by the testes

Answer 12

1) Testosterone(C19H28O2)
2) Androsterone(C19H30O2)
3) Dehydroepiandrosterone(C19H25O2)

Question 13

The most potent of all androgenic hormones is ?

Answer 13

Testosterone

Question 14

DHEA production peaks between age ….. and ……

Answer 14

25&30

Question 15

The relative potency of the testicular(androgenic) hormones is (From testosterone to DHEA)

Answer 15

20:7:1

Question 16

Few testicular hormones produced by the adrenal glands are

Answer 16

Androst-4-ene-3,17-dione.

Androst-4-ene-3, 11,17-trione

Question 17

Biosynthesis of testosterone

Answer 17

From Cholesterol>prenenolone>progesterone>hydroxyprogesterone>Testosterone

Question 18

List the steps in the Biosynthesis of testosterone

Answer 18

From Cholesterol>prenenolone>progesterone>hydroxyprogesterone>Androstenedione>Testosterone

Question 19

Androstenedione and DHEA are synthesized where?

Answer 19

In the testes

Question 20

DHEA is secreted more than testosterone in normal male.True or false?

Answer 20

True

Question 21

Metabolic transformation of androgens takes place in the

Answer 21

Liver

Question 22

During androgen metabolism in the liver. The two reactions that occur are

Answer 22

a)Testosterone to androst-4-ene-3, 17-dione

b( interconversion of 3-hydroxy and 3-Keto derivatives.

Question 23

List the functions of androgen s

Answer 23

a),b)

Question 24

High dose of testosterone leads to

Answer 24

Atrophy of sperm