Endocrine Pharmacology(Ovary And Testis) Flashcards

(45 cards)

1
Q

What are the hormones of the ovary?

A

Oestrogen
Progesterone
Inhibin
Activin
Relaxin (responsible for growth.Inhibits Uterine Contraction)
Androgens

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2
Q

What is the primary function of the androgens

A

Hair growth in Females

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3
Q

Example of Androgens

A

Testosterone
Dehydroepiandrosterone
Androstenedione

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4
Q

The change of ovarian function at puberty is called

A

Gonadarchy

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5
Q

What cells of the follicles secrete estrogen under the influence of LH

A

Outer theca and inner granulosa

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6
Q

Estrogen function reaches its peak when

A

Just before mid cycle

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7
Q

The cavity of the ruptured follicle would be filled with blood known as

A

Corpus hemorrhagica

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8
Q

In menopause, Estrogen production comes from

A

Conversion of adrenal and ovarian steroids such as androstenedione to estrone and estradiol

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9
Q

Types of Estrogen

A

Natural Estrogen
Steroidal Synthetic Estrogen
Non steroidal Synthetic Estrogen

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10
Q

Examples of natural Estrogen

A

Estradiol E2
Estrone E1
Estriol E3

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11
Q

The major natural estrogen secreted by Women is

A

Estradiol

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12
Q

Steroidal Synthetic Estrogen

A

Ethinyl estradiol
Mestranol
Quinestrol

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13
Q

Non Steroidal Synthetic Estrogen

A

Diethylstibestrol
Dienestrol
Hexestrol
Benzestrol

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14
Q

The Undesirable Side effect associated with the hepatic effect of Estrogen is

A

Increased Synthesis of clotting Factors

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15
Q

What is the mech of action of estrogen

A

Binds to Intracellular estrogen receptors in the nucleus of a cell leading to protein synthesis

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16
Q

The most important progestine in women is

A

Progesterone

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17
Q

Progesterone is a ……… carbon compound

A

21

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18
Q

Estrogen and testosterone are …………. and ………… carbon compounds respectively

A

18 and 19

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19
Q

Progesterone serves as a precursor for

A

Estrogen
Androgen
Adrenocortical Steriods

20
Q

First gen progesterone

A

Norethisterone

21
Q

Second gen progesterone

A

Norgestrel
Levonorgestrel

22
Q

Third gen progesterone

23
Q

4th gen Progesterone

24
Q

The third and fourth generation progesterone have less side effects because

A

They don’t have Androgens

25
Therapeutic uses of Progesterone
Hormone replacement therapy Treatment of dysmenorrhea Treatment of Endometriosis
26
In the use of Progesterone as a test of estrogen Secretion, what quantity and alternative drug is used
Progesterone 150mg/day Medroxyprogesterone acetate 10mg/day 5 to 7days
27
The first selective estrogen receptor modulator
Tamoxifen
28
Example of SERM(Selective Estrogen Receptor modulator) drugs are;
Tamoxifen Raloxifen
29
Why is Raloxifene preferred to tamoxifen
It’s inability to cause Endometrial Cancer/hyperplasia
30
Ovulation Induction agents
Clomiphene Citrate Letrozole/Anastrozole
31
Mifepristone is used as an abortifacient when combined with
Misoprostol
32
Progesterone receptor modulators used as Contraceptive
Ulipristal Mifepristone
33
What produces testosterone and under the influence of what hormone
Leydig cells Luetinizing hormone
34
Testosterone is bound majorly to…………. In the blood
Sex hormone binding globulin
35
An estrogen inhibitor also a weak androgen used in the treatment of endometriosis
Danazol
36
Infertility is
The Inability of a couple to achieve pregnancy after one year of regular, adequate and unprotected coitus
37
Mech of Action of clomiphene citrate
Competitive Inhibitor of endogenous Estrogen…leading to increased gonadotrophin secretion
38
Name the Fertility Drugs
Clomiphene citrate Letrozole/Anastrozole Metformin Dopamine agonist:bromocriptine Human Menopausal Gonadotropin
39
Mech of action of Letrozole/Anastrozole
Irreversible inhibition of aromatase enzyme
40
Where does metformin act as a fertility drug
In patients with PCOS…corrects the insulin insensitivity
41
Menstropine…what is it?…where is it gotten from
Mixture of LH and FSH Urine of post menopausal women
42
Two preparation for oral contraceptives are
COC- Combined Oral Contraceptive POP- Progesterone Only pill
43
Combined Oral Contraceptive Example
Ethynl Estradiol
44
Example of POP
Depotmedroxyprogesterone acetate(DMPA) Hormonal IUCD
45
Why POP is preferred over COC
It has less side effects