.Which of these is not an important component of initiation of parturition in humans? (a) Release of oxytocin (b) Release of prolactin (c) Increase in estrogen and progesterone ratio (d) Synthesis of prostaglandins

.Which of these is not an important component of
initiation of parturition in humans?
(a) Release of oxytocin
(b) Release of prolactin
(c) Increase in estrogen and progesterone ratio
(d) Synthesis of prostaglandins
by

1 Answer

Answer :

b) Release of prolactin
by

Related questions

Which is most involved in milk production? A) oxytocin B) progesterone C) prolactin D) estrogen E) calcitonin

Description : Which is most involved in milk production? A) oxytocin B) progesterone C) prolactin D) estrogen E) calcitonin

Last Answer : C) prolactin

Signals from fully developed fetus and placenta ultimately lead to parturition which requires the release of (a) estrogen from placenta (b) oxytocin from maternal pituitary (c) oxytocin from fetal pituitary (d) relaxin from placenta.

Description : Signals from fully developed fetus and placenta ultimately lead to parturition which requires the release of (a) estrogen from placenta (b) oxytocin from maternal pituitary (c) oxytocin from fetal pituitary (d) relaxin from placenta.

Last Answer : (b) oxytocin from maternal pituitary

Which one of the following is not the function of placenta? (a) Facilitates removal of carbon dioxide and waste material from embryo (b) Secretes oxytocin during parturition (c) Facilitates supply of oxygen and nutrients to embryo (d) Secretes estrogen

Description : Which one of the following is not the function of placenta? (a) Facilitates removal of carbon dioxide and waste material from embryo (b) Secretes oxytocin during parturition (c) Facilitates supply of oxygen and nutrients to embryo (d) Secretes estrogen

Last Answer : (b) Secretes oxytocin during parturition

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

When both ovaries are removed from rat then which hormone is decreased in blood? (a) Oxytocin (b) Prolactin (c) Estrogen (d) Gonadotropin releasing factor

Description : When both ovaries are removed from rat then which hormone is decreased in blood? (a) Oxytocin (b) Prolactin (c) Estrogen (d) Gonadotropin releasing factor

Last Answer : (c) Estrogen

Which of these is not an important components of initiation of parturition in humans?

Description : Which of these is not an important components of initiation of parturition in humans?

Last Answer : Which of these is not an important components of initiation of parturition in humans? A. ... prolactin D. Increase in estrogen and progesterone ratio

Which of the following hormones is not a secretion product of human placenta? (a) Human chorionic gonadotropin (b) Prolactin (c) Estrogen (d) Progesterone

Description : Which of the following hormones is not a secretion product of human placenta? (a) Human chorionic gonadotropin (b) Prolactin (c) Estrogen (d) Progesterone

Last Answer : (b) Prolactin

Which of the following hormones can play a significant role in osteoporosis? (a) Aldosterone and prolactin (b) Progesterone and aldosterone (c) Estrogen and parathyroid hormone (d) Parathyroid hormone and prolactin (

Description : Which of the following hormones can play a significant role in osteoporosis? (a) Aldosterone and prolactin (b) Progesterone and aldosterone (c) Estrogen and parathyroid hormone (d) Parathyroid hormone and prolactin (

Last Answer : (c) Estrogen and parathyroid hormone

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

Which of the following hormones can play a significant role in osteoporesis ? (1) Aldosterone and Prolactin (2) Progesterone and Aldosterone (3) Estrogen and Parathyroid hormone (4) Parathyroid hormone and Prolactin

Description : Which of the following hormones can play a significant role in osteoporesis ? (1) Aldosterone and Prolactin (2) Progesterone and Aldosterone (3) Estrogen and Parathyroid hormone (4) Parathyroid hormone and Prolactin

Last Answer : (3) Estrogen and Parathyroid hormone

A hormone used for detection of pregnancy is (A) Estrogen (B) Progesterone (C) Oxytocin (D) Chorionic gonadotropin

Description : A hormone used for detection of pregnancy is (A) Estrogen (B) Progesterone (C) Oxytocin (D) Chorionic gonadotropin

Last Answer : Answer : D

Young women are protected against myocardial infaracation because of the activity of (A) Estrogen (B) Progesterone (C) Growth hormone (D) Oxytocin

Description : Young women are protected against myocardial infaracation because of the activity of (A) Estrogen (B) Progesterone (C) Growth hormone (D) Oxytocin

Last Answer : Answer : A

The hormone required for uterine muscle contraction for child birth is (A) Progesterone (B) Estrogen (C) Oxytocin (D) Vasopressin

Description : The hormone required for uterine muscle contraction for child birth is (A) Progesterone (B) Estrogen (C) Oxytocin (D) Vasopressin

Last Answer : Answer : C

Which hormone will stimulate the release of milk from the mother's mammary glands when a baby is nursing? A) oxytocin B) prolactin C) ADH D) HGH E) epinephrine

Description : Which hormone will stimulate the release of milk from the mother's mammary glands when a baby is nursing? A) oxytocin B) prolactin C) ADH D) HGH E) epinephrine

Last Answer : A) oxytocin

Actions of oxytocin include the following except: A. Vasoconstriction B. Increased water reabsorption in renal collecting ducts C. Contraction of mammary myoepithelium D. Release of prostaglandins from endometrium

Description : Actions of oxytocin include the following except: A. Vasoconstriction B. Increased water reabsorption in renal collecting ducts C. Contraction of mammary myoepithelium D. Release of prostaglandins from endometrium

Last Answer : A. Vasoconstriction

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

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.

The amino acid tryptophan is the precursor for the synthesis of (a) estrogen and progesterone (b) cortisol and cortisone (c) melatonin and serotonin (d) thyroxine and triiodothyronine

Description : The amino acid tryptophan is the precursor for the synthesis of (a) estrogen and progesterone (b) cortisol and cortisone (c) melatonin and serotonin (d) thyroxine and triiodothyronine

Last Answer : (c) melatonin and serotonin

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

Serum prolactin levels are highest in which of the following conditions: a) Menopause. b) Ovulation. c) Parturition. d) Sleep. e) Running.

Description : Serum prolactin levels are highest in which of the following conditions: a) Menopause. b) Ovulation. c) Parturition. d) Sleep. e) Running.

Last Answer : c) Parturition.

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.

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

Assertion : The mammary glands of the female starts producing milk just after the process of parturition . Reason : High level of oxytocin induces mil

Description : Assertion : The mammary glands of the female starts producing milk just after the process of parturition . Reason : High level of oxytocin induces mil

Last Answer : Assertion : The mammary glands of the female starts producing milk just after the process of parturition ... D. If both Assertion & Reason are False.

n human adult females oxytocin (a) stimulates pituitary to secrete vasopressin (b) causes strong uterine contractions during parturition (c) is secreted by anterior pituitary (d) stimulates growth of mammary glands.

Description : n human adult females oxytocin (a) stimulates pituitary to secrete vasopressin (b) causes strong uterine contractions during parturition (c) is secreted by anterior pituitary (d) stimulates growth of mammary glands.

Last Answer : (b) causes strong uterine contractions during parturition

Signals for parturition originate from (a) both placenta as well as fully developed fetus(b) oxytocin released from maternal pituitary (c) placenta only (d) fully developed fetus only.

Description : Signals for parturition originate from (a) both placenta as well as fully developed fetus (b) oxytocin released from maternal pituitary (c) placenta only (d) fully developed fetus only.

Last Answer : both placenta as well as fully developed fetus

Signals for parturition originate from (1) Fully developed foetus only (2) Both placenta as well as fully developed foetus (3) Oxytocin released from maternal pituitary (4) Placenta only

Description : Signals for parturition originate from (1) Fully developed foetus only (2) Both placenta as well as fully developed foetus (3) Oxytocin released from maternal pituitary (4) Placenta only

Last Answer : (2) Both placenta as well as fully developed foetus

“Let down of milk” is initiated by the hormone (a) Prolactin (b) Lactogen (c) Oxytocin (d) Lactopoietin

Description : “Let down of milk” is initiated by the hormone (a) Prolactin (b) Lactogen (c) Oxytocin (d) Lactopoietin

Last Answer : (c) Oxytocin

Hormones secreted by the placenta to maintain pregnancy are (a) hCG, hPL, progestogens, prolactin (b) hCG, hPL, estrogens, relaxin, oxytocin (c) hCG, hPL, progestogens, estrogens (d) hCG, progestogens, estrogens, glucocorticoids.

Description : Hormones secreted by the placenta to maintain pregnancy are (a) hCG, hPL, progestogens, prolactin (b) hCG, hPL, estrogens, relaxin, oxytocin (c) hCG, hPL, progestogens, estrogens (d) hCG, progestogens, estrogens, glucocorticoids.

Last Answer : ) hCG, hPL, progestogens, estrogens

Hormones secreted by the placenta to maintain pregnancy are (1) hCG, hPL, progestogens, prolactin (2) hCG, hPL, estrogens, relaxin, oxytocin (3) hCG, hPL, progestogens, estrogens (4) hCG, progestogens, estrogens, glucocorticoids

Description : Hormones secreted by the placenta to maintain pregnancy are (1) hCG, hPL, progestogens, prolactin (2) hCG, hPL, estrogens, relaxin, oxytocin (3) hCG, hPL, progestogens, estrogens (4) hCG, progestogens, estrogens, glucocorticoids

Last Answer : (3) hCG, hPL, progestogens, estrogens

.The fetal ejection reflex in humans triggers the release of (a) oxytocin from fetal pituitary (b) human chorionic gonadotropin (hCG) from placenta (c) human placental lactogen (hPL) from placenta (d) oxytocin from maternal pituitary.

Description : .The fetal ejection reflex in humans triggers the release of (a) oxytocin from fetal pituitary (b) human chorionic gonadotropin (hCG) from placenta (c) human placental lactogen (hPL) from placenta (d) oxytocin from maternal pituitary.

Last Answer : (d) oxytocin from maternal pituitary.

Prostaglandins play pathophysiological role in the following except: A. Patency of ductus arteriosus B. Regulation of renal tubular salt absorption C. Ventricular remodeling after myocardial infarction D. Initiation of labour

Description :  Prostaglandins play pathophysiological role in the following except: A. Patency of ductus arteriosus B. Regulation of renal tubular salt absorption C. Ventricular remodeling after myocardial infarction D. Initiation of labour

Last Answer : C. Ventricular remodeling after myocardial infarction 

Placenta secretes all the hormones except Options: 1) HCG 2) Prolactin 3) Estrogen 4) Human Placental Lactogen

Description : Placenta secretes all the hormones except Options: 1) HCG 2) Prolactin 3) Estrogen 4) Human Placental Lactogen

Last Answer : 2) Prolactin

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 

Oxytocin is essential for: A. Initiation of labour B. Formation of milk C. Milk ejection reflex D. Both ‘A’ and ‘C’ are correct

Description : Oxytocin is essential for: A. Initiation of labour B. Formation of milk C. Milk ejection reflex D. Both ‘A’ and ‘C’ are correct

Last Answer : C. Milk ejection reflex

(i) Where do the signals for parturition originate in humans? (ii) Why is it important to feed the newborn babies on colostrum? -Biology

Description : (i) Where do the signals for parturition originate in humans? (ii) Why is it important to feed the newborn babies on colostrum? -Biology

Last Answer : (i)The signals for parturition originate from the fully developed foetus and the placenta, which induce mild uterine contraction called foetal ejection reflex (ii)Colostrum contains necessary antibodies (IgA) that provide protection against diseases to newborn infants.

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

Identify the hormone with its correct matching of source and function. (a) Oxytocin - posterior pituitary, growth and maintenance of mammary glands. (b) Melatonin - pineal gland, regulates the normal rhythm of sleepwake cycle. (c) Progesterone - corpus luteum, stimulation of growth and activities of female secondary sex organs. (d) Atrial natriuretic factor - ventricular wall, increases the blood pressure.

Description : Identify the hormone with its correct matching of source and function. (a) Oxytocin - posterior pituitary, growth and maintenance of mammary glands. (b) Melatonin - pineal gland, regulates the ... sex organs. (d) Atrial natriuretic factor - ventricular wall, increases the blood pressure.

Last Answer : (b) Melatonin - pineal gland, regulates the normal rhythm of sleepwake cycle

Progesterone administration: A. Suppresses onset of menstruation B. Induces watery cervical secretion C. Sensitizes the uterus to oxytocin D. Cornifies vaginal epithelium

Description : Progesterone administration: A. Suppresses onset of menstruation B. Induces watery cervical secretion C. Sensitizes the uterus to oxytocin D. Cornifies vaginal epithelium

Last Answer : A. Suppresses onset of menstruation

The following drug is used for cervical priming to facilitate labour: A. Oxytocin B. Clomiphene C. Progesterone D. Prostaglandin E2

Description : The following drug is used for cervical priming to facilitate labour: A. Oxytocin B. Clomiphene C. Progesterone D. Prostaglandin E2

Last Answer : D. Prostaglandin E2

Which of the following hormones is a steroid? (1) Estrogen (2) Glucagon (3) Insulin (4) Oxytocin

Description : Which of the following hormones is a steroid? (1) Estrogen (2) Glucagon (3) Insulin (4) Oxytocin

Last Answer : (1) Estrogen Explanation: Steroid hormone is produced by three endocrine organs. The testes, produces testosterone; the ovaries, produces estrogen; and the adrenal cortex, produces steroid hormones such as cortisol and aldosterone.

Which of the following hormones is a steroid? (1) Estrogen (2) Glucagon (3) Insulin (4) Oxytocin

Description : Which of the following hormones is a steroid? (1) Estrogen (2) Glucagon (3) Insulin (4) Oxytocin

Last Answer : (1) Estrogen Explanation: Steroid hormone is produced by three endocrine organs. The testes, produces testosterone; the ovaries, produces estrogen; and the adrenal cortex, produces steroid hormones such as cortisol and aldosterone.

Match the source gland with its respective hormone and function and select the correct option. Source Hormone Function gland (a) Anterior Oxytocin Contraction of uterus pituitary muscles during child birth (b) Posterior Vasopressin Stimulates pituitary reabsorption of water in the distal tubules in the nephron (c) Corpus Estrogen Supports pregnancy luteum (d) Thyroid Thyroxine Regulates blood calcium level

Description : Match the source gland with its respective hormone and function and select the correct option. Source Hormone Function gland (a) Anterior Oxytocin Contraction of uterus pituitary muscles during ... (c) Corpus Estrogen Supports pregnancy luteum (d) Thyroid Thyroxine Regulates blood calcium level

Last Answer : (b) Posterior Vasopressin Stimulates pituitary reabsorption of water in the distal tubules in the nephron

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

What stimulates pituitary to release the hormone responsible for parturition? Name the hormone -Biology

Description : What stimulates pituitary to release the hormone responsible for parturition? Name the hormone -Biology

Last Answer : Foetal ejection reflex stimulates pituitary to release the oxytocin hormone, which is responsible for parturition.

What is the role of estrogen and progesterone? -Biology

Description : What is the role of estrogen and progesterone? -Biology

Last Answer : answer:

Level of estrogen and progesterone are minimum at the time of

Description : Level of estrogen and progesterone are minimum at the time of

Last Answer : Level of estrogen and progesterone are minimum at the time of A. Folicular phase B. Ovulation C. Secretory phase D. Onset of menstrual phase.

Low level of progesterone and estrogen stimulates production of

Description : Low level of progesterone and estrogen stimulates production of

Last Answer : Low level of progesterone and estrogen stimulates production of A. FSH-RH B. LH C. GH D. All the above

Assertion : If fertilization dies not occur than the corpus luteum begins to degenerate . Reason : The levels of progesterone and estrogen decline due

Description : Assertion : If fertilization dies not occur than the corpus luteum begins to degenerate . Reason : The levels of progesterone and estrogen decline due

Last Answer : Assertion : If fertilization dies not occur than the corpus luteum begins to degenerate . Reason : The ... D. If both Assertion & Reason are False.

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

Women become susceptible to osteoporosis after menopause due to decreased (A) Secretion of Parathormone (B) Conversion of vitamin D into calcitriol (C) Secretion of estrogen (D) Secretion of progesterone

Description : Women become susceptible to osteoporosis after menopause due to decreased (A) Secretion of Parathormone (B) Conversion of vitamin D into calcitriol (C) Secretion of estrogen (D) Secretion of progesterone

Last Answer : Answer : C