The immediate cause of induction of ovulation in human female is the large plasma surge of (a) LH (b) FSH (c) progesterone (d) estradiol.

The immediate cause of induction of ovulation in
human female is the large plasma surge of
(a) LH (b) FSH
(c) progesterone (d) estradiol.
by

1 Answer

Answer :

(a) LH
by

Related questions

Which of the following events is not associated with ovulation in human female? (a) Release of secondary oocyte (b) LH surge (c) Decrease in estradiol (d) Full development of Graafian follicle

Description : Which of the following events is not associated with ovulation in human female? (a) Release of secondary oocyte (b) LH surge (c) Decrease in estradiol (d) Full development of Graafian follicle

Last Answer : (c) Decrease in estradiol

Which of the following hormone levels will cause release of ovum (ovulation) from the Graffian follicle? (a) High concentration of Estrogen (b) High concentration of Progesterone (c) Low concentration of LH (d) Low concentration of FSH

Description : Which of the following hormone levels will cause release of ovum (ovulation) from the Graffian follicle? (a) High concentration of Estrogen (b) High concentration of Progesterone (c) Low concentration of LH (d) Low concentration of FSH

Last Answer : a) High concentration of Estrogen

Which one of the following is the correct matching of the events occurring during menstrual cycle? (a) Proliferative phase : Rapid regeneration of myometrium and maturation of Graafian follicle (b) Secretory phase : Development of corpus luteum and increased secretion of progesterone (c) Menstruation : Breakdown of myometrium and ovum not fertilised (d) Ovulation : LH and FSH attain peak level and sharp fall in the secretion of progesterone

Description : Which one of the following is the correct matching of the events occurring during menstrual cycle? (a) Proliferative phase : Rapid regeneration of myometrium and maturation of Graafian follicle (b) ... ) Ovulation : LH and FSH attain peak level and sharp fall in the secretion of progesterone

Last Answer : (b) Secretory phase : Development of corpus luteum and increased secretion of progesterone

In the human female, menstruation can be deferred by the administration of (a) combination of FSH and LH (b) combination of estrogen and progesterone (c) FSH only (d) LH only.

Description : In the human female, menstruation can be deferred by the administration of (a) combination of FSH and LH (b) combination of estrogen and progesterone (c) FSH only (d) LH only.

Last Answer : (b) combination of estrogen and progesterone

Select the correct option describing gonadotropin activity in a normal pregnant female. (a) High level of FSH and LH stimulates the thickening of endometrium. (b) High level of FSH and LH facilitates implantation of the embryo. (c) High level of hCG stimulates the synthesis of estrogen and progesterone. (d) High level of hCG stimulates the thickening of endometrium.

Description : Select the correct option describing gonadotropin activity in a normal pregnant female. (a) High level of FSH and LH stimulates the thickening of endometrium. (b) High level of FSH and LH ... synthesis of estrogen and progesterone. (d) High level of hCG stimulates the thickening of endometrium.

Last Answer : (c) High level of hCG stimulates the synthesis of estrogen and progesterone.

Mainly which type of hormones control the menstrual cycle in human beings? (a) FSH (b) LH (c) FSH, LH, estrogen (d) progesterone

Description : Mainly which type of hormones control the menstrual cycle in human beings? (a) FSH (b) LH (c) FSH, LH, estrogen (d) progesterone

Last Answer : (a) FSH

Select the incorrect statement. (a) LH and FSH decrease gradually during the follicular phase. (b) LH triggers secretion of androgens from the Leydig cells. (c) FSH stimulates the Sertoli cells which help in spermiogenesis. (d) LH triggers ovulation in ovary.

Description : Select the incorrect statement. (a) LH and FSH decrease gradually during the follicular phase. (b) LH triggers secretion of androgens from the Leydig cells. (c) FSH stimulates the Sertoli cells which help in spermiogenesis. (d) LH triggers ovulation in ovary.

Last Answer : (a) LH and FSH decrease gradually during the follicular phase.

No new follicles develop in the luteal phase of the menstrual cycle because (a) follicles do not remain in the ovary after ovulation (b) FSH levels are high in the luteal phase (c) LH levels are high in the luteal phase (d) both FSH and LH levels are low in the luteal phase.

Description : No new follicles develop in the luteal phase of the menstrual cycle because (a) follicles do not remain in the ovary after ovulation (b) FSH levels are high in the luteal phase (c) LH levels are high in the luteal phase (d) both FSH and LH levels are low in the luteal phase.

Last Answer : (d) both FSH and LH levels are low in the luteal phase.

In women of child bearing age, clomiphene citrate produces the following actions except: A. Hot flushes B. Ovulation C. Decreased FSH and LH secretion D. Polycystic ovaries

Description : In women of child bearing age, clomiphene citrate produces the following actions except: A. Hot flushes B. Ovulation C. Decreased FSH and LH secretion D. Polycystic ovaries

Last Answer : C. Decreased FSH and LH secretion

Assertion : The level of FSH & LH attain a peak level in the middle of the menstrual cycle . Reason : The FSH & LH surge induces rupture of Graafian f

Description : Assertion : The level of FSH & LH attain a peak level in the middle of the menstrual cycle . Reason : The FSH & LH surge induces rupture of Graafian f

Last Answer : Assertion : The level of FSH & LH attain a peak level in the middle of the menstrual cycle . Reason ... . D. If both Assertion & Reason are False.

Withdrawal of which of the following hormones is the immediate cause of menstruation? (a) Progesterone (b) Estrogen (c) FSH (d) FSH-RH

Description : Withdrawal of which of the following hormones is the immediate cause of menstruation? (a) Progesterone (b) Estrogen (c) FSH (d) FSH-RH

Last Answer : (a) Progesterone

In structure and function, HCG resembles (A) FSH (B) LH (C) GnRH (D) Progesterone

Description : In structure and function, HCG resembles (A) FSH (B) LH (C) GnRH (D) Progesterone

Last Answer : Answer : B

Tablets to prevent male contraception contain (a) progesterone (b) LH (c) FSH (d) both (b) and (c).

Description : Tablets to prevent male contraception contain (a) progesterone (b) LH (c) FSH (d) both (b) and (c).

Last Answer : (d) both

In a normal pregnant woman, the amount of total gonadotropin activity was assessed. The result expected was (1) High level of circulating HCG to stimulate estrogen and progesterone synthesis (2) High level of circulating FSH and LH in the uterus to stimulate implantation of the embryo (3) High level of circulating HCG to stimulate endometrial thickening (4) High levels of FSH and LH in uterus to stimulate endometrial thickening

Description : In a normal pregnant woman, the amount of total gonadotropin activity was assessed. The result expected was (1) High level of circulating HCG to stimulate estrogen and progesterone synthesis (2) ... endometrial thickening (4) High levels of FSH and LH in uterus to stimulate endometrial thickening

Last Answer : (1) High level of circulating HCG to stimulate estrogen and progesterone synthesis

The corpeus luteum secretes: a) HCG b) LH c) FSH d) progesterone

Description : The corpeus luteum secretes: a) HCG b) LH c) FSH d) progesterone

Last Answer : ANSWER: D -- PROGESTERONE

Transdermal estradiol differs from oral estrogen therapy in that it: A. Causes less induction of hepatic synthesis of clotting factors B. Does not inhibit FSH secretion C. Does not affect vaginal cytology D. All of the above are correct

Description : Transdermal estradiol differs from oral estrogen therapy in that it: A. Causes less induction of hepatic synthesis of clotting factors B. Does not inhibit FSH secretion C. Does not affect vaginal cytology D. All of the above are correct

Last Answer : A. Causes less induction of hepatic synthesis of clotting factors

Which hormone stimulates the secretion of milk from female? (a) Oxytocin (b) Progesterone (c) LH (d) Prolactin

Description : Which hormone stimulates the secretion of milk from female? (a) Oxytocin (b) Progesterone (c) LH (d) Prolactin

Last Answer : (d) Prolactin

About which day in a normal human menstrual cycle does rapid secretion of LH (popularly called LH surge) normally occurs? (a) 14th day (b) 20th day (c) 5th day (d) 11th day (

Description : About which day in a normal human menstrual cycle does rapid secretion of LH (popularly called LH surge) normally occurs? (a) 14th day (b) 20th day (c) 5th day (d) 11th day (

Last Answer : (a) 14th day

The major metabolite of progesterone is (A) Pregnenolone (B) Pregnanediol (C) Estradiol (D) Norethindrone

Description : The major metabolite of progesterone is (A) Pregnenolone (B) Pregnanediol (C) Estradiol (D) Norethindrone

Last Answer : Answer : B

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

Duodenum has characteristic Brunner’s gland which secrete two hormones called (a) kinase, estrogen (b) secretin, cholecystokinin (c) prolactin, parathormone (d) estradiol, progesterone

Description : Duodenum has characteristic Brunner’s gland which secrete two hormones called (a) kinase, estrogen (b) secretin, cholecystokinin (c) prolactin, parathormone (d) estradiol, progesterone

Last Answer : (b) secretin, cholecystokinin

LH and FSH are called gonadotrophins. Why?

Description : LH and FSH are called gonadotrophins. Why?

Last Answer : LH and FSH are called gonadotrophins. Why?

LH and FSH are collectively called

Description : LH and FSH are collectively called

Last Answer : LH and FSH are collectively called A. Oxytocin B. Somatotrophins C. Luteotrophic D. Gonadotropin

How are the FSH and LH are released by the hypothalamus?

Description : How are the FSH and LH are released by the hypothalamus?

Last Answer : Need answer

Secretion of androgens is increased by (A) LH (B) FSH (C) ACTH (D) Growth hormone

Description : Secretion of androgens is increased by (A) LH (B) FSH (C) ACTH (D) Growth hormone

Last Answer : Answer : A

All the following statements about TSH are true except (A) It is a glycoprotein (B) It is made up of α- and β-subunits (C) Receptor recognition involves both the subunits (D) Its subunit is identical with those of FSH and LH

Description : All the following statements about TSH are true except (A) It is a glycoprotein (B) It is made up of α- and β-subunits (C) Receptor recognition involves both the subunits (D) Its subunit is identical with those of FSH and LH

Last Answer : Answer : D

Thyroid stimulating hormone is a dimer. The α-subunits of TSH, LH, FSH are identical. Thus the biological specificity must therefore be β subunit in which the number of amino acids is (A) 78 (B) 112 (C) 130 (D) 199

Description : Thyroid stimulating hormone is a dimer. The α-subunits of TSH, LH, FSH are identical. Thus the biological specificity must therefore be β subunit in which the number of amino acids is (A) 78 (B) 112 (C) 130 (D) 199

Last Answer : Answer : B

Melanogenesis is stimulated by (A) MSH (B) FSH (C) LH (D) HCG

Description : Melanogenesis is stimulated by (A) MSH (B) FSH (C) LH (D) HCG

Last Answer : Answer : A

Identify the correct statement on ‘inhibin’. (a) Is produced by granulosa cells in ovary and inhibits the secretion of LH (b) Is produced by nurse cells in testes and inhibits the secretion of LH (c) Inhibits the secretion of LH, FSH and prolactin (d) Is produced by granulosa cells in ovary and inhibits the secretion of FSH

Description : Identify the correct statement on inhibin'. (a) Is produced by granulosa cells in ovary and inhibits the secretion of LH (b) Is produced by nurse cells in testes and inhibits the secretion of LH ... , FSH and prolactin (d) Is produced by granulosa cells in ovary and inhibits the secretion of FSH

Last Answer : (d) Is produced by granulosa cells in ovary and inhibits the secretion of FSH

Sertoli cells are regulated by the pituitary hormone known as (a) LH (b) FSH (c) GH (d) prolactin

Description : Sertoli cells are regulated by the pituitary hormone known as (a) LH (b) FSH (c) GH (d) prolactin

Last Answer : FSH

GnRH, a hypothalamic hormone, needed in reproduction, acts on (a) anterior pituitary gland and stimulates secretion of LH and FSH (b) posterior pituitary gland and stimulates secretion of oxytocin and FSH (c) posterior pituitary gland and stimulates secretion of LH and relaxin (d) anterior pituitary gland and stimulates secretion of LH and oxytocin.

Description : GnRH, a hypothalamic hormone, needed in reproduction, acts on (a) anterior pituitary gland and stimulates secretion of LH and FSH (b) posterior pituitary gland and stimulates secretion of oxytocin ... of LH and relaxin (d) anterior pituitary gland and stimulates secretion of LH and oxytocin.

Last Answer : (a) anterior pituitary gland and stimulates secretion of LH and FSH

Which is an example of negative feedback? A) Nursing action stimulates the hypothalamus to release oxytocin that triggers mammary gland milk production. B) When the blood becomes dilute, ADH is no longer released from the hypothalamus. C) Uterine stretching sends nerve impulses to the hypothalamus that releases oxytocin that triggers uterine contraction. D) FSH and LH stimulate the gonads to produce sperm or eggs. E) TRH stimulates the anterior pituitary to release thyroid-stimulating hormone.

Description : Which is an example of negative feedback? A) Nursing action stimulates the hypothalamus to release oxytocin that triggers mammary gland milk production. B) When the blood becomes dilute, ADH ... produce sperm or eggs. E) TRH stimulates the anterior pituitary to release thyroid-stimulating hormone.

Last Answer : B) When the blood becomes dilute, ADH is no longer released from the hypothalamus

The primary mechanism of action of the combined estrogen-progestin oral contraceptive pill is: A. Production of cervical mucus hostile to sperm penetration B. Suppression of FSH and LH release C. Making endometrium unsuitable for implantation D. Enhancing uterine contractions to dislodge the fertilized ovum

Description : The primary mechanism of action of the combined estrogen-progestin oral contraceptive pill is: A. Production of cervical mucus hostile to sperm penetration B. Suppression of FSH and ... Making endometrium unsuitable for implantation D. Enhancing uterine contractions to dislodge the fertilized ovum

Last Answer : B. Suppression of FSH and LH release

16.15 The hypothalamic gonadotropin releasing hormone (GnRH) is: A. A single peptide B. A mixture of two distinct peptides FSH-RH and LH-RH C. A mixture of several peptides D. Dopamine

Description : 16.15 The hypothalamic gonadotropin releasing hormone (GnRH) is: A. A single peptide B. A mixture of two distinct peptides FSH-RH and LH-RH C. A mixture of several peptides D. Dopamine

Last Answer : A. A single peptide

16.14 Menotropins is a preparation of: A. FSH + LH obtained from urine of menstruating women B. LH obtained from urine of pregnant women C. FSH + LH obtained from urine of menopausal women D. LH obtained from serum of pregnant mare (p. 219

Description : 16.14 Menotropins is a preparation of: A. FSH + LH obtained from urine of menstruating women B. LH obtained from urine of pregnant women C. FSH + LH obtained from urine of menopausal women D. LH obtained from serum of pregnant mare (p. 219

Last Answer : C. FSH + LH obtained from urine of menopausal women

GnRH, a hypothalamic hormone, needed in reproduction, acts on: (1) anterior pituitary gland and stimulates secretion of LH and FSH. (2) posterior pituitary gland and stimulates secretion of oxytocin and FSH. (3) posterior pituitary gland and stimulates secretion of LH and relaxin. (4) anterior pituitary gland and stimulates secretion of LH and oxytocin.

Description : GnRH, a hypothalamic hormone, needed in reproduction, acts on: (1) anterior pituitary gland and stimulates secretion of LH and FSH. (2) posterior pituitary gland and stimulates secretion of oxytocin and ... of LH and relaxin. (4) anterior pituitary gland and stimulates secretion of LH and oxytocin.

Last Answer : 1) anterior pituitary gland and stimulates secretion of LH and FSH.

A 25 years old school teacher Para 1 wants to use oral contraceptive pills for contraception. She is asking about the mode of action of oral contraceptive pills. The mechanism of action of oral contraceptive pills is: a) Inhibiting ovulation by suppression of serum FSH. b) Inducing endometrial atrophy. c) Increasing cervical mucous hostility. d) Inducing endometritis. e) Inhibiting prolactin.

Description : A 25 years old school teacher Para 1 wants to use oral contraceptive pills for contraception. She is asking about the mode of action of oral contraceptive pills. The mechanism of action of ... atrophy. c) Increasing cervical mucous hostility. d) Inducing endometritis. e) Inhibiting prolactin.

Last Answer : a) Inhibiting ovulation by suppression of serum FSH.

Does a woman's cervix open before or after LH surge?

Description : Does a woman's cervix open before or after LH surge?

Last Answer : answer:

LH surge occurs during phase of menstrual cycle.

Description : LH surge occurs during phase of menstrual cycle.

Last Answer : LH surge occurs during phase of menstrual cycle. A. Menstrual phase B. Beginning of proliferstive phase. C ... phase D. At the middle of the cycle.

The production of progesterone by corpus luteum cell is stimulated by (A) LH (B) TSH (C) ACTH (D) MSH

Description : The production of progesterone by corpus luteum cell is stimulated by (A) LH (B) TSH (C) ACTH (D) MSH

Last Answer : Answer : A

Secretion of progesterone by corpus luteum is initiated by (a) testosterone (b) thyroxine (c) MSH (d) LH.

Description : Secretion of progesterone by corpus luteum is initiated by (a) testosterone (b) thyroxine (c) MSH (d) LH.

Last Answer : d) LH.

My progesterone was level was 5.4 and fsh 7.1 is that normal when trying to become pregnant.

Description : My progesterone was level was 5.4 and fsh 7.1 is that normal when trying to become pregnant.

Last Answer : answer:Did your doctor do a day 3 blood draw? Was your LH tested also? Do you have the lab information for normal ranges?

Placenta secretes all of the following except (A) FSH (B) Progesterone (C) Estrogen (D) Chorionic gonadotropin HORMONE METABOLISM 225

Description : Placenta secretes all of the following except (A) FSH (B) Progesterone (C) Estrogen (D) Chorionic gonadotropin HORMONE METABOLISM 225

Last Answer : Answer : A

Menstrual flow occurs due to lack of (a) oxytocin (b) vasopressin (c) progesterone (d) FSH.

Description : Menstrual flow occurs due to lack of (a) oxytocin (b) vasopressin (c) progesterone (d) FSH.

Last Answer : (c) progesterone

What is correct to say about the hormone action in humans? (a) Glucagon is secreted by β-cells of islets of Langerhans and stimulates glycogenolysis. (b) Secretion of thymosins is stimulated with aging. (c) In females, FSH first binds with specific receptors on ovarian cell membrane. (d) FSH stimulates the secretion of estrogen and progesterone.

Description : What is correct to say about the hormone action in humans? (a) Glucagon is secreted by β-cells of islets of Langerhans and stimulates glycogenolysis. (b) Secretion of thymosins is stimulated ... receptors on ovarian cell membrane. (d) FSH stimulates the secretion of estrogen and progesterone.

Last Answer : (c) In females, FSH first binds with specific receptors on ovarian cell membrane.

8.The reason for increased amount of progesterone during the secretory phase of menstrual cycle is ---- ---- . ( a)Maturation of secondary follicle, b)Increased secretion of FSH, c)Regression of corpus luteum, d)Formation of corpus luteum from Graafian follicle )

Description : 8.The reason for increased amount of progesterone during the secretory phase of menstrual cycle is ---- ---- . ( a)Maturation of secondary follicle, b)Increased secretion of FSH, c)Regression of corpus luteum, d)Formation of corpus luteum from Graafian follicle )

Last Answer : d)Formation of corpus luteum from Graafian follicle

What is correct to say about the hormone action in humans ? (1) FSH stimulates the secretion of estrogen and progesterone (2) Glucagon is secreted by -cells of Islets of Langerhans and stimulates glycogenolysis (3) Secretion of thymosins is stimulated with aging (4) If females, FSH first binds with specific receptors on ovarian cell membrane

Description : What is correct to say about the hormone action in humans ? (1) FSH stimulates the secretion of estrogen and progesterone (2) Glucagon is secreted by -cells of Islets of Langerhans and ... stimulated with aging (4) If females, FSH first binds with specific receptors on ovarian cell membrane

Last Answer : (4) If females, FSH first binds with specific receptors on ovarian cell membrane

What is the work of progesterone which is present in oral contraceptive pills? (a) To inhibit ovulation (b) To check oogenesis (c) To check entry of sperms into cervix and to make them inactive (d) To check sexual behaviour

Description : What is the work of progesterone which is present in oral contraceptive pills? (a) To inhibit ovulation (b) To check oogenesis (c) To check entry of sperms into cervix and to make them inactive (d) To check sexual behaviour

Last Answer : (a) To inhibit ovulation

The rise in basal body temperature at the time of ovulation is because of Options: 1) Decreased estrogen 2) Increased Progesterone 3) Decreased Leutinizing hormone 4) Increased Follicular Stimulating hormone

Description : The rise in basal body temperature at the time of ovulation is because of Options: 1) Decreased estrogen 2) Increased Progesterone 3) Decreased Leutinizing hormone 4) Increased Follicular Stimulating hormone

Last Answer : Correct Answer: 2) Increased Progesterone

Some important events in the human female reproductive cycle are given below. Arrange the events in a proper squence. A- Secretion of FSH, B - Growth

Description : Some important events in the human female reproductive cycle are given below. Arrange the events in a proper squence. A- Secretion of FSH, B - Growth

Last Answer : Some important events in the human female reproductive cycle are given below. Arrange the ... C. `ararrdrarrcrarrerarrb` D. `brarrararrcrarrdrarre`.