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
Description : Fetal ejection reflex in human female is induced by (a) release of oxytocin from pituitary (b) fully developed fetus and placenta (c) differentiation of mammary glands (d) pressure exerted by amniotic fluid.
Last Answer : (b) fully developed fetus and placenta
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 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 : 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 : What is the name of first milk/secretion (rich in antibodies) from the mammary glands of cattle after giving birth? a. Colostrum b. Serum c. Lactation d. Montana
Last Answer : a. Colostrum
Description : Select the correct matching of a hormone, its source and function. Hormone Source Function (a) Vasopressin Posterior Increases loss pituitary of water through urine (b) Norepine- Adrenal ... (d) Prolactin Posterior Regulates growth pituitary of mammary glands and milk formation in females
Last Answer : (b) Norepine- Adrenal Increases heart phrine medulla beat, rate of respiration and alterness
Description : Assertion : After fertilization corpus luteum is stable till parturition . Reason : After 3 months of intrauterine , life it dominantly secretes proge
Last Answer : Assertion : After fertilization corpus luteum is stable till parturition . Reason : After 3 months of ... D. If both Assertion & Reason are False.
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.
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
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
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 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
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
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 : Thick yellow,high protein fluid produced by mammary glands of a woman during first 2-3 days after child birth is
Last Answer : Thick yellow,high protein fluid produced by mammary glands of a woman during first 2-3 days after ... B. Hymen C. Cumulus oophorus D. Colostrum.
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
Description : Assertion : Distal centriole acts as a basal granule . Reason : Distal centriole induces cleavage in egg.
Last Answer : Assertion : Distal centriole acts as a basal granule . Reason : Distal centriole induces cleavage in egg ... D. If both Assertion & Reason are False.
Description : Which hormone stimulates the secretion of milk from female? (a) Oxytocin (b) Progesterone (c) LH (d) Prolactin
Last Answer : (d) Prolactin
Description : Which one of the following causes mammary glands to enlarge at puberty
Last Answer : Which one of the following causes mammary glands to enlarge at puberty A. Testosterone B. Progesterone C. Estrogen D. Oxytocin.
Description : In prototherians mammary glands are
Last Answer : In prototherians mammary glands are A. Absent B. Present in male only C. Present in female only D. Present in male and female both
Description : Mammary glands are modified
Last Answer : Mammary glands are modified A. Sweat gland B. Sebaceous gland C. Lacrymal gland D. Endocrine gland
Description : Extramitochondrial synthesis of fatty acids occurs in (A) Mammary glands (B) Lungs (C) Brain (D) All of these
Last Answer : Answer : D
Description : Among the following sets of salient features, which set does not exclusively characterize mammals? (1) Presence of sweat, glands, hairs on skin and diphyoclonts (2) Presence of mammary glands, sweat ... glands, sweat glands, and diaphragm (4) Presence of mammary glands, hairs on skin and diaphragm.
Last Answer : (3) Presence of mammary' glands, sweat glands, and diaphragm Explanation: Ayes are also worm blooded and their heart is four-chambered. Crocodiles (Reptilia) also have fourchambered heart.
Description : Lactogenic hormone is secreted by - (1) Mammary glands (2) Placenta (3) Ovary (4) Pituitary
Last Answer : (4) Pituitary Explanation: Lactogenic hormone is gonadotropic hormone which is secreted by the anterior pituitary. In females, it stimulates growth of the mammary glands and lactation after parturition.
Description : Hysterectomy is surgical removal of (a) vas deferens (b) mammary glands (c) uterus (d) prostate gland
Last Answer : (c) uterus
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 : Lactogenic hormone is secreted by (1) Mammary glands (2) Placenta (3) Ovary (4) Pituitary
Last Answer : Pituitary
Description : Among the following sets of salient features, which set does not exclusively characterize mammals? (1) Presence of sweat glands, hairs on skin and diphyodonts (2) Presence of mammary glands, sweat ... glands, sweat glands and diaphragm (4) Presence of mammary glands, hairs on skin and diaphragm.
Last Answer : Presence of mammary glands, sweat glands and diaphragm
Description : Assertion : Oxytocin is also known as anti-diuretic hormone (ADH). Reason : Oxytocin can cause an increase in the renal reabsorbtion of water.
Last Answer : Assertion : Oxytocin is also known as anti-diuretic hormone (ADH). Reason : Oxytocin can cause an ... . D. If both Assertion and Reason are false.
Description : Assertion : Ovulation occurs on the `14^(th)` day of menstrual cycle in a human female . Reason : The high level of estrogen is controlled 2 or 3 days
Last Answer : Assertion : Ovulation occurs on the `14^(th)` day of menstrual cycle in a human female . Reason : ... False . D. If both Assertion & Reason are False.
Description : Assertion: Successional process starts only in those areas where no living organisms ever existed. Reason: These areas are not supported by physical e
Last Answer : Assertion: Successional process starts only in those areas where no living organisms ever existed. Reason: ... and Reason are false, then mark (4)
Description : Which of the following adrenergic inhibitors acts directly on the blood vessels, producing vasodilation? a) Prazosin hydrochloride (Minipress) Minipress is a peripheral vasodilator acting ... through centrally mediated alpha-adrenergic stimulation in the brain, producing blood pressure reduction.
Last Answer : a) Prazosin hydrochloride (Minipress) Minipress is a peripheral vasodilator acting directly on the blood vessel. It is not used in angina and coronary artery disease, however, because it induces tachycardia if not preceded by administration of propranolol and a diuretic.
Description : The following statement is not true of sulbactam: A. It is a broad spectrum β-lactamase inhibitor B. It does not augment the activity of ampicillin against bacteria that are sensitive ... β-lactamases D. Combined with ampicillin, it is highly effective against penicillinase producing N. gonorrhoeae
Last Answer : C. It induces chromosomal β-lactamases
Description : Parturition canal in female is called :
Last Answer : Parturition canal in female is called : A. Uterus B. Oviduct C. Vagina D. Urethra
Description : Both male and female pigeons secrete milk through (a) salivary glands (b) modified sweat glands (c) crop (d) gizzard.
Last Answer : (c) crop
Description : Assertion : Zone refining method is very useful for producing semiconductors. Reason : Semiconductors are of high purity.
Last Answer : Assertion : Zone refining method is very useful for producing semiconductors. Reason : Semiconductors are of high purity.
Description : Assertion : Menarche starts around the age of puberty . Reason : After birth oocyte is matured and developed to form Graafian follicle .
Last Answer : Assertion : Menarche starts around the age of puberty . Reason : After birth oocyte is matured and ... D. If both Assertion & Reason are False.
Description : When the female patient demonstrates thickening, scaling, and erosion of the nipple and areola, the nurse recognizes that the patient is exhibiting signs of a) Paget's disease. Paget's disease ... the breast and demonstrates an orange peel apearance of breast skin with enlargement of skin pores.
Last Answer : a) Paget’s disease. Paget’s disease is a malignancy of mammary ducts with early signs of erythema of nipple and areola.
Description : Assertion. Snakes exposed to gamma rays become non- poisonous. Reason. Poisonous snakes have poison glands and a pair of fangs. They are affected by g
Last Answer : Assertion. Snakes exposed to gamma rays become non- poisonous. Reason. Poisonous snakes have poison ... . If both Assertion and Reason are false.
Description : Assertion `:` Mucous glands occur throughout the alimentary canal Reason `:` Mucous substances facilitate movement of food through the alimenatary can
Last Answer : Assertion `:` Mucous glands occur throughout the alimentary canal Reason `:` Mucous substances facilitate ... . If both Assertion & Reason are false.
Description : Assertion `:` Gastric glands occur throughout the alimentary canal. Reason `:` Gastric juice inhibits movement of food through the alimentary canal
Last Answer : Assertion `:` Gastric glands occur throughout the alimentary canal. Reason `:` Gastric juice inhibits ... D. If both Assertion & Reason are false.
Description : Assertion : Glands originate from all germinal layers. Reason : All glands are composed of epithelium tissue.
Last Answer : Assertion : Glands originate from all germinal layers. Reason : All glands are composed of epithelium ... D. If both Assertion & Reason are false.
Description : In females, vigorous contraction of uterus at the time of child birth and milk ejection from the mammary gland is due to
Last Answer : In females, vigorous contraction of uterus at the time of child birth and milk ejection from the mammary gland is due to
Description : Hormone secreted by pituitary gland and regulates the mammary gland and formation of milk in them is
Last Answer : Hormone secreted by pituitary gland and regulates the mammary gland and formation of milk in them is
Description : the part of the mammary gland where milk is produced is called: a) Capillary b) Teat Cistern c) Chine d) Alveolus
Last Answer : d) Alveolus
Description : Assertion : Cattle breeds can be improved by super ovulation and embryo transplantation. Reason : Superovolutation in high milk-yielding cows is induc
Last Answer : Assertion : Cattle breeds can be improved by super ovulation and embryo transplantation. Reason : ... D. If both assertion and reason are false
Description : Which one of the following is a female sex hormone? (1) Estrogen (2) Androgen (3) Oxytocin (4) Insulin
Last Answer : Estrogen
Description : “Let down of milk” is initiated by the hormone (a) Prolactin (b) Lactogen (c) Oxytocin (d) Lactopoietin
Last Answer : (c) Oxytocin