An androgen which is more powerful than testosterone is (A) Androstenedione (B) Dihydrotestosterone (C) Androsterone (D) Epiandrosterone

An androgen which is more powerful than testosterone is (A) Androstenedione (B) Dihydrotestosterone (C) Androsterone (D) Epiandrosterone
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3-β-Hydroxysteroid dehydrogenase and ∆5,4 isomerase catalyse the conversion of the weak androgen DHEA to (A) Androstenedione (B) Testosterone (C) Progesterone (D) Estrone

Description : 3-β-Hydroxysteroid dehydrogenase and ∆5,4 isomerase catalyse the conversion of the weak androgen DHEA to (A) Androstenedione (B) Testosterone (C) Progesterone (D) Estrone

Last Answer : Answer : A

The enzyme catalyzing conversion of androstenedione to testosterone is a (A) Oxygenase (B) Dehydrogenase (C) Isomerase (D) Decarboxylase

Description : The enzyme catalyzing conversion of androstenedione to testosterone is a (A) Oxygenase (B) Dehydrogenase (C) Isomerase (D) Decarboxylase

Last Answer : Answer : B

In the biosynthesis of testosterone the rate limiting step is conversion of (A) Cholesterol to pregnenolone (B) Pregnenolone to progesterone (C) Progesterone to 17 α-hydroxy progesterone (D) 17 α-Hydroxy progesterone to androstenedione

Description : In the biosynthesis of testosterone the rate limiting step is conversion of (A) Cholesterol to pregnenolone (B) Pregnenolone to progesterone (C) Progesterone to 17 α-hydroxy progesterone (D) 17 α-Hydroxy progesterone to androstenedione

Last Answer : Answer : A

The defect in adrenal cortex responsible for lack of glucocorticoids and mineralcorticoids is (A) Androstenedione deficiency (B) 17 α -OH progesterone deficiency (C) C-21 hydroxylase deficiency (D) Testosterone deficiency HORMONE METABOLISM 209

Description : The defect in adrenal cortex responsible for lack of glucocorticoids and mineralcorticoids is (A) Androstenedione deficiency (B) 17 α -OH progesterone deficiency (C) C-21 hydroxylase deficiency (D) Testosterone deficiency HORMONE METABOLISM 209

Last Answer : Answer : C

Finasteride acts by: A. Blocking testosterone receptors in the prostate gland B. Reducing testosterone secretion from testes C. Reducing LH secretion from pituitary D. Lowering circulating as well as prostatic dihydrotestosterone concentration

Description : Finasteride acts by: A. Blocking testosterone receptors in the prostate gland B. Reducing testosterone secretion from testes C. Reducing LH secretion from pituitary D. Lowering circulating as well as prostatic dihydrotestosterone concentration

Last Answer : D. Lowering circulating as well as prostatic dihydrotestosterone concentration

For the treatment of hypogonadism and impotence, testosterone/dihydrotestosterone can be administered by the following route/routes: A. Oral B. Intramuscular C. Transdermal D. Both 'B' and 'C

Description : For the treatment of hypogonadism and impotence, testosterone/dihydrotestosterone can be administered by the following route/routes: A. Oral B. Intramuscular C. Transdermal D. Both 'B' and 'C

Last Answer : D. Both 'B' and 'C'

Conversion of testosterone to dihydrotestosterone by the enzyme 5α-reductase is required for the following actions except: A. Formation of male external genitalia in the foetus B. Prostatic hypertrophy in elderly males C. Pubertal changes in the male adolescent D. Spermatogenesis

Description : Conversion of testosterone to dihydrotestosterone by the enzyme 5α-reductase is required for the following actions except: A. Formation of male external genitalia in the foetus B. Prostatic hypertrophy in elderly males C. Pubertal changes in the male adolescent D. Spermatogenesis

Last Answer : D. Spermatogenesis

The following androgen does not produce cholestatic jaundice as an adverse effect: A. Testosterone propionate B. Methyl testosterone C. Fluoxymesterone D. Stanozolo

Description : The following androgen does not produce cholestatic jaundice as an adverse effect: A. Testosterone propionate B. Methyl testosterone C. Fluoxymesterone D. Stanozolo

Last Answer : A. Testosterone propionate

The major mineralcorticoid is (A) Hydrocortisone (B) Aldosterone (C) Aldactone A (D) Androstenedione

Description : The major mineralcorticoid is (A) Hydrocortisone (B) Aldosterone (C) Aldactone A (D) Androstenedione

Last Answer : Answer : C

The predominant glucocorticoid is (A) Cortisol (B) Aldosterone (C) Dehydroephiandrosterone (D) Androstenedione

Description : The predominant glucocorticoid is (A) Cortisol (B) Aldosterone (C) Dehydroephiandrosterone (D) Androstenedione

Last Answer : Answer : A

Cortisol is a (A) Glucocorticoid (B) Mineralocorticoid (C) Androgen (D) Estrogen

Description : Cortisol is a (A) Glucocorticoid (B) Mineralocorticoid (C) Androgen (D) Estrogen

Last Answer : Answer : B

The hormone measured in urine to test pregnancy is (A) Anterior pituitary luteinizing hormone (B) Androgen (C) Progesterone (D) Choroinic gonadotropin

Description : The hormone measured in urine to test pregnancy is (A) Anterior pituitary luteinizing hormone (B) Androgen (C) Progesterone (D) Choroinic gonadotropin

Last Answer : Answer : D

Injury to adrenal cortex is not likely to affect the secretion of which one of the following? (a) Aldosterone (b) Both androstenedione and dehydroepiandrosterone (c) Adrenaline (d) Cortisol

Description : Injury to adrenal cortex is not likely to affect the secretion of which one of the following? (a) Aldosterone (b) Both androstenedione and dehydroepiandrosterone (c) Adrenaline (d) Cortisol

Last Answer : (c) Adrenaline

What is the function of androgen hormone ?

Description : What is the function of androgen hormone ?

Last Answer : Androgens or androgenic hormones are all natural steroid hormones that work to bind male androgen receptors in vertebrates . It works in the formation of male genitalia and secondary physical features ... addition to natural causes, there is also the use of androgen hormones in medical science.

Androgen insensitivity syndrome?

Description : Androgen insensitivity syndrome?

Last Answer : DefinitionAndrogen insensitivity syndrome (AIS) is when a person who is genetically male (has one X and one Y chromosome) is resistant to male hormones called androgens. As a result, the person has some or ... male body parts. The child born appears to be a girl. The complete form of the syndrome o

A substance that stimulates the production of antibodies when introduced into a living organism is known as— (1) carcinogen (2) androgen (3) antigen (4) oestrogen

Description : A substance that stimulates the production of antibodies when introduced into a living organism is known as— (1) carcinogen (2) androgen (3) antigen (4) oestrogen

Last Answer : (3) antigen Explanation: Antigens are the substance that when introduced into the body stimulates the production of an antibody. Antigens include toxins, bacteria, foreign blood cells, and the cells of ... of a protein is determined by its sequence of amino acids as well as by its conformation.

Select the option which correctly matches the endocrine gland with its hormone and its function. Endocrine Hormone Function gland (a) Placenta Estrogen Initiates secretion of the milk (b) Corpus Estrogen Essential for luteum maintenance of endometrium (c) Leydig’s Androgen Initiates the cells production of sperms (d) Ovary FSH Stimulates follicular development and the secretion of estrogens

Description : Select the option which correctly matches the endocrine gland with its hormone and its function. Endocrine Hormone Function gland (a) Placenta Estrogen Initiates secretion of the milk (b) Corpus ... of sperms (d) Ovary FSH Stimulates follicular development and the secretion of estrogens

Last Answer : (c) Leydig’s Androgen Initiates the cells production of sperms

Which of the following hormones is primarily responsible for stimulating the production of progesterone? a) Luteinizing hormone Luteinizing hormone is released by the pituitary gland. b) Follicle-stimulating hormone Follicle-stimulating hormone is responsible for stimulating the ovaries to secrete estrogen. c) Estrogen Estrogens are responsible for developing and maintaining the female reproductive tract. d) Androgen Androgens, secreted in small amounts by the ovaries, are involved in early development of the follicle and also affect the female libido.

Description : Which of the following hormones is primarily responsible for stimulating the production of progesterone? a) Luteinizing hormone Luteinizing hormone is released by the pituitary gland. b) Follicle-stimulating ... , are involved in early development of the follicle and also affect the female libido.

Last Answer : a) Luteinizing hormone Luteinizing hormone is released by the pituitary gland.

The hormone causing growth of the endometrium (pron: en-doe-me-tree-um) is: a) androgen (pron: ann-drah-jen) b) leutenizing hormone (pron: lew-ten-I-zing) c) estrogen d) prolactin

Description : The hormone causing growth of the endometrium (pron: en-doe-me-tree-um) is: a) androgen (pron: ann-drah-jen) b) leutenizing hormone (pron: lew-ten-I-zing) c) estrogen d) prolactin 

Last Answer : ANSWER: C -- estrogen 

The estrogen and androgen hormones which regulate sexual development and function are structurally related to: w) beta carotene x) ethanol y) adrenaline z) cholesterol

Description : The estrogen and androgen hormones which regulate sexual development and function are structurally related to: w) beta carotene x) ethanol y) adrenaline z) cholesterol

Last Answer : ANSWER: Z -- CHOLESTEROL 

Which one of the following is a female sex hormone? (1) Estrogen (2) Androgen (3) Oxytocin (4) Insulin

Description : Which one of the following is a female sex hormone? (1) Estrogen (2) Androgen (3) Oxytocin (4) Insulin

Last Answer : Estrogen

Progesterone is transported in blood by (A) Transcortin (B) Sex hormone binding globulin (C) Albumin (D) Testosterone estrogen binding globulin

Description : Progesterone is transported in blood by (A) Transcortin (B) Sex hormone binding globulin (C) Albumin (D) Testosterone estrogen binding globulin

Last Answer : Answer : A

Testosterone is transported in blood by (A) Transcortin (B) Testosterone binding globulin (C) Testosterone estrogen binding globulin (D) Albumin

Description : Testosterone is transported in blood by (A) Transcortin (B) Testosterone binding globulin (C) Testosterone estrogen binding globulin (D) Albumin

Last Answer : Answer : C

Spironolactone is an antagonist of (A) Cortisol (B) Hydrocortisone (C) Aldosterone (D) Testosterone

Description : Spironolactone is an antagonist of (A) Cortisol (B) Hydrocortisone (C) Aldosterone (D) Testosterone

Last Answer : Answer : C

A common intermediate in the synthesis of cortisol and aldosterone is (A) Progesterone (B) Testosterone (C) Estradiol (D) None of these

Description : A common intermediate in the synthesis of cortisol and aldosterone is (A) Progesterone (B) Testosterone (C) Estradiol (D) None of these

Last Answer : Answer : A

Secretion of luteinising hormone is increased by (A) GnRH (B) FSH (C) Testosterone (D) None of these

Description : Secretion of luteinising hormone is increased by (A) GnRH (B) FSH (C) Testosterone (D) None of these

Last Answer : Answer : A

In males, secretion of luteinising hormone is inhibited by (A) Gonadotropin releasing hormone (B) FSH (C) High blood level of testosterone (D) Inhibin

Description : In males, secretion of luteinising hormone is inhibited by (A) Gonadotropin releasing hormone (B) FSH (C) High blood level of testosterone (D) Inhibin

Last Answer : Answer : C

All the following statements about FSH are true except (A) It is a tropic hormone secreted by anterior pituitary (B) Its secretion is increased by gonadotropin releasing hormone (C) It acts on Sertoli cells (D) It increases the synthesis of testosterone

Description : All the following statements about FSH are true except (A) It is a tropic hormone secreted by anterior pituitary (B) Its secretion is increased by gonadotropin releasing hormone (C) It acts on Sertoli cells (D) It increases the synthesis of testosterone

Last Answer : Answer : D

The precursor of testosterone is (A) Aldosterone (B) Methyl testosterone (C) Estrone (D) Pregnenolone

Description : The precursor of testosterone is (A) Aldosterone (B) Methyl testosterone (C) Estrone (D) Pregnenolone

Last Answer : Answer : D

Conversion of testosterone to estradiol requires the enzyme: (A) Aromatase (B) Dehydrogenase (C) Lyase (D) Isomerase HORMONE METABOLISM 215

Description : Conversion of testosterone to estradiol requires the enzyme: (A) Aromatase (B) Dehydrogenase (C) Lyase (D) Isomerase HORMONE METABOLISM 215

Last Answer : Answer : A

The total serum testosterone in adult women is (A) 0–5 ng/100 ml (B) 10–15 ng/100 ml (C) 20–80 ng/100 ml (D) 100–200 ng/100 ml

Description : The total serum testosterone in adult women is (A) 0–5 ng/100 ml (B) 10–15 ng/100 ml (C) 20–80 ng/100 ml (D) 100–200 ng/100 ml

Last Answer : Answer : C

The total serum testosterone in adult men is (A) 50–100 ng/100 ml (B) 150–250 ng/100 ml (C) 300–1000 ng/100 ml (D) 1000–3000 ng/100 ml

Description : The total serum testosterone in adult men is (A) 50–100 ng/100 ml (B) 150–250 ng/100 ml (C) 300–1000 ng/100 ml (D) 1000–3000 ng/100 ml

Last Answer : Answer : C

The prepubertal total serum testosterone is (A) < 200 ng/100 ml (C) < 400 ng/100 ml

Description : The prepubertal total serum testosterone is (A) < 200 ng/100 ml (C) < 400 ng/100 ml

Last Answer : Answer : A

Normal serum free testosterone in adult women varies between (A) 0.0–0.2 ng/dl (B) 0.3–2 ng/dl (C) 10–30 ng/dl (D) 50–100 ng/dl

Description : Normal serum free testosterone in adult women varies between (A) 0.0–0.2 ng/dl (B) 0.3–2 ng/dl (C) 10–30 ng/dl (D) 50–100 ng/dl

Last Answer : Answer : B

Normal serum free testosterone in adult men varies between (A) 1–5 ng/dl (B) 6–9 ng/dl (C) 10–30 ng/dl (D) 50–100 ng/dl 214 MCQs IN BIOCHEMISTRY

Description : Normal serum free testosterone in adult men varies between (A) 1–5 ng/dl (B) 6–9 ng/dl (C) 10–30 ng/dl (D) 50–100 ng/dl 214 MCQs IN BIOCHEMISTRY

Last Answer : Answer : C

Protein anabolism is stimulated by (A) ACTH (B) Testosterone (C) Glucagon (D) Epinephrine

Description : Protein anabolism is stimulated by (A) ACTH (B) Testosterone (C) Glucagon (D) Epinephrine

Last Answer : Answer : B

Protein anabolism is stimulated by (A) ACTH (B) Testosterone (C) Glucagon (D) Epinephrine

Description : Protein anabolism is stimulated by (A) ACTH (B) Testosterone (C) Glucagon (D) Epinephrine

Last Answer : Answer : B

Cyclic AMP is formed from ATP by the enzyme adenylate cyclase which is activated by the hormone: (A) Insulin (B) Epinephrine (C) Testosterone (D) Progesterone

Description : Cyclic AMP is formed from ATP by the enzyme adenylate cyclase which is activated by the hormone: (A) Insulin (B) Epinephrine (C) Testosterone (D) Progesterone

Last Answer : B

Do women who are physically fit create more testosterone than women who are only as active as the average person?

Description : Do women who are physically fit create more testosterone than women who are only as active as the average person?

Last Answer : answer:When you work out, you do produce more testosterone. It's a fact. There is a saying that, if you want to get built, work out your legs b/c even if you want bigger arms, or chest, or ... than the average person, and it would be safe to say that they produce more testosterone. Guy or girl.

What do you think of females with high levels of testosterone participating in sports?

Description : What do you think of females with high levels of testosterone participating in sports?

Last Answer : Well on the one hand, they certainly have an advantage, but it’s tough to fault them for seeking to participate in something in which their hormone levels allow them to excel. There probably is no compromise that would be fair to everyone.

Giving blood and testosterone.

Description : Giving blood and testosterone.

Last Answer : The blood bank/research clinic can answer this for you, or your doctor giving you the treatments. I just gave blood the day I got my flu shot about 10 days ago and they said it was fine, but, in your case, I wouldn’t know.

Anyone undergoing hormone supplementation therapy with testosterone?

Description : Anyone undergoing hormone supplementation therapy with testosterone?

Last Answer : Ah, nuts. I put a comma where it did not belong. Last two topics should, of course, be combined into: “The place where hormones and spirituality and self image meet.”

Have any women out there ever had a problem with too much testosterone, PCOS, or hormones?

Description : Have any women out there ever had a problem with too much testosterone, PCOS, or hormones?

Last Answer : answer:I've had my hormones checked and I've been tested for PCOS and many other reproductive health issues. I don't have PCOS, but I know women who do. There isn't a test, per say, ... I think your eating habits and exercise, along with whatever your doctors tells you, can help manage your PCOS.

Is being a tomboy related to the level of testosterone in blood?

Description : Is being a tomboy related to the level of testosterone in blood?

Last Answer : Not at all. It’s about inclination not chemistry.

Testosterone Supplementation -- Good idea or bad for older men?

Description : Testosterone Supplementation -- Good idea or bad for older men?

Last Answer : There was an article in, I think it was The New Yorker magazine a few years ago about a guy who did this. He talked about his mood, feeling aggressive, like wanting to fight. I don't remember ... and the doctors in the study, to see what you may expect and the negatives that you will experience.

How do i increase muscle and testosterone?

Description : How do i increase muscle and testosterone?

Last Answer : Lift weights and do physical activity…..

Want to increase my testosterone level?

Description : Want to increase my testosterone level?

Last Answer : Why do you want to increase your testosterone level? Have you been tested medically and told that it is low? Because otherwise you should not attempt to supplement your testosterone. Also, the delivery ... As to increasing penis size, here is one article that says it can be done with exercises.

Does nipple/aureola size in men have anything to do with estrogen/testosterone?

Description : Does nipple/aureola size in men have anything to do with estrogen/testosterone?

Last Answer : Well now that the original question has been ammended, my previous comment would be redundant. So, as Emily Litella used to say: …never mind… :)

Are testosterone levels related to baldness in men?

Description : Are testosterone levels related to baldness in men?

Last Answer : They must be, right? Doesn't the testosterone interact with the follicle to cause pattern baldness? Not that I obsess about this.

What is testosterone? -Biology

Description : What is testosterone? -Biology

Last Answer : answer: