Description : Estrogen and Progesterone control and stimulate the growth in: (1) Pituitary Gland (2) Thyroid Gland (3) Mammary Gland (4) Supra Renal Gland
Last Answer : (3) Mammary Gland Explanation: The female reproductive hormones, estrogens, progesterone, and prolactin, have a major impact on breast cancer and control postnatal mammary gland development. Optimal mammary growth requires both estrogen and progesterone.
Last Answer : Mammary Gland
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
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
Description : Which hormone stimulates the production of estrogen and progesterone? A) growth hormone B) antidiuretic hormone C) gonadotropic hormones D) thyroid-stimulating hormone E) adrenocorticotropic hormone
Last Answer : C) gonadotropic hormones
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
Description : Actions of progesterone include the following except: A. Rise in body temperature B. Endometrial proliferation C. Proliferation of acini in mammary gland D. Suppression of cell mediated immunity
Last Answer : B. Endometrial proliferatio
Description : Which of the following glands has both an endocrine and an exocrine function? A) mammary gland B) pancreas C) pituitary D) adrenal gland E) thyroid gland
Last Answer : B) pancreas
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
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.
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
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
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
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
Description : Given below is an incomplete table on hormones, their source glands and one major effect of each human body. Identify the option representing correct grouping of hormone its gland and ... hormone (b) Placenta Insulin Vasopressin (c) Ovary Insulin Calcitonin (d) Placenta Glucagon Calcitonin
Last Answer : (a) Ovary Glucagon Growth hormone
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
Description : Select the tissue that is most sensitive to oxytocin: A. Myometrium B. Myoepithelium of mammary alveoli C. Vascular smooth muscle D. Renal collecting ducts
Last Answer : B. Myoepithelium of mammary alveoli
Description : What is the role of estrogen and progesterone? -Biology
Last Answer : answer:
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.
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
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.
Description : Placenta secretes all of the following except (A) FSH (B) Progesterone (C) Estrogen (D) Chorionic gonadotropin HORMONE METABOLISM 225
Description : A hormone used for detection of pregnancy is (A) Estrogen (B) Progesterone (C) Oxytocin (D) Chorionic gonadotropin
Last Answer : Answer : D
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
Description : Progesterone is transported in blood by (A) Transcortin (B) Sex hormone binding globulin (C) Albumin (D) Testosterone estrogen binding globulin
Description : Zona glomerulosa of adrenal cortex synthesises (A) Glucocorticoids (B) Mineralocorticoids (C) Androgens (D) Estrogen and progesterone HORMONE METABOLISM 223
Description : The hormone required for uterine muscle contraction for child birth is (A) Progesterone (B) Estrogen (C) Oxytocin (D) Vasopressin
Description : The first human hormone produced by recombinant DNA technology is (a) insulin (b) estrogen (c) thyroxin (d) progesterone
Last Answer : (a) insulin
Description : .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
Last Answer : b) Release of prolactin
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
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.
Description : Several hormones like hCG, hPL, estrogen, progesterone are produced by (a) ovary (b) placenta (c) fallopian tube (d) pituitary.
Last Answer : b) placenta
Description : The mammalian corpus luteum produces (a) luteotrophic hormone (b) luteinising hormone (c) estrogen (d) progesterone.
Last Answer : (d) progesterone.
Description : If mammalian ovum fails to get fertilised, which one of the following is unlikely? (a) Corpus luteum will disintegrate. (b) Progesterone secretion rapidly declines. (c) Estrogen secretion further increases. (d) Primary follicle starts developing.
Last Answer : (c) Estrogen secretion further increases.
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
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
Description : The main function of mammalian corpus luteum is to produce (a) estrogen only (b) progesterone (c) human chorionic gonadotropin (d) relaxin only.
Last Answer : (b) progesterone
Description : Changes in GnRH pulse frequency in females is controlled by circulating levels of (a) progesterone only (b) progesterone and inhibin (c) estrogen and progesterone (d) estrogen and inhibin.
Last Answer : c) estrogen and progesterone
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
Description : The figure shows a section of human ovary. Select the option which gives the correct identification of either A or B with function/characteristic (a) B- Corpus luteum - Secretes progesterone (b) A- ... Secretes estrogen (d) A- Primary oocyte - It is in the prophase I of the meiotic division
Last Answer : (a) B- Corpus luteum - Secretes progesterone
Description : Which one of the following hormones is modified amino acid? (a) Epinephrine (b) Progesterone (c) Prostaglandin (d) Estrogen
Last Answer : (a) Epinephrine
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.
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
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
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
Description : 56 years old woman has come to you with the complaints of hot flushes irritability, joint pains with lack of sleep. Most appropriate treatment would be: a) Hysterectomy. b) ... Combined oestrogen, progesterone preparations. d) Phytooestrogens. e) Selective estrogen receptor modulators (SERMS).
Last Answer : c) Combined oestrogen, progesterone preparations.
Description : Which pair of hormones has opposite, antagonistic effects? A) insulin--glucagon B) insulin--progesterone C) estrogen--thyroxin D) thyroxin--parathyroid hormone E) epinephrine--norepinephrine
Last Answer : A) insulin--glucagon
Description : Which of the following hormones will allow us to react to emergency situations? A) estrogen B) progesterone C) testosterone D) cortisol E) norepinephrine
Last Answer : E) norepinephrine
Description : Which is most involved in milk production? A) oxytocin B) progesterone C) prolactin D) estrogen E) calcitonin
Last Answer : C) prolactin
Description : Select the progestin preparation for coadministration with estrogen for hormone replacement therapy that does not counteract the beneficial effect of the latter on lipid profile due to lack of ... oral progesterone B. Norethindrone C. Lynestrenol D. Medroxyprogesterone acetate (p. 281-282)
Last Answer : Select the indication for which a progestin is used alone without combining with an estrogen: A. Threatened abortion B. Dysfunctional uterine bleeding C. Hormone replacement therapy D. Premenstrual tension