Description : All of the following statements about bronzed diabetes are true except (A) It is caused by excessive intake of copper (B) Skin becomes pigmented (C) There is damage to β cells of Islets of Langerhans (D) Liver is damaged
Last Answer : Answer : A
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 : α Cells of Islets of Langerhans secrete (A) Insulin (B) Glucagon (C) Somatostatin (D) Cholecystokinin
Last Answer : Answer : B
Description : Physiological glycosuria is met with in (A) Renal glycosuria (B) Alimentary glycosuria (C) Diabetes Mellitus (D) Alloxan diabetes
Last Answer : B
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
Description : All of the following statements about pancreatic somatostain are true except (A) It is secreted by δ cells of islets of Langerhans (B) It stimulates the secretion of gastrin (C) It inhibits the secretion of secretin (D) It inhibits the secretion of cholecystokininpancreozymin
Description : Glucagon produced by (a) α-cells of Islets (b) β-cells of Islets (c) -cells of Islets (d) All
Last Answer : (a) α-cells of Islets
Description : The following action of adrenaline is mediated by both α and β receptors producing the same directional effect: A. Cardiac stimulation B. Intestinal relaxation C. Dilatation of pupil D. Bronchodilatation
Last Answer : B. Intestinal relaxation
Description : Adrenergic neurone blocking drugs: A. Block the action of adrenaline on neuronal α2 adrenoceptors B. Block both α and β adrenoceptor mediated effects of injected adrenaline C. Do not block any effect of injected adrenaline D. Do not block the effects of sympathetic nerve stimulation
Last Answer : C. Do not block any effect of injected adrenaline
Description : Beta cells of islets of langerhans secrete_____
Last Answer : Beta cells of islets of langerhans secrete_____
Description : Alpha cells of islets of langerhans secrete____
Last Answer : Alpha cells of islets of langerhans secrete____
Description : Glucagon produced by `alpha`-cells of islets of Langerhans
Last Answer : Glucagon produced by `alpha`-cells of islets of Langerhans A. Converts glucose to glycogen B. Converts ... of glucose in blood D. None of these
Description : Which cells in pancreas produce Insulin? (1) Thymus (2) Estrogen (3) Corpus epididymis (4) Islets of Langerhans
Last Answer : (4) Islets of Langerhans Explanation: The islets of Langerhans are the regions of the pancreas that contain cells that produce hormones. There are five types of cells in the islets ... : PP cells secrete pancreatic polypeptide; delta cells secrete somatostatin; and epsilon cells secrete ghrelin.
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 : 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 : Which cells in pancreas produce Insulin ? (1) Thymus (2) Estrogen (3) Corpus epididymis (4) Islets of Langerhans
Last Answer : Islets of Langerhans
Description : The following are true about antigen presenting cells (APC): a. Langerhan's cells are the antigen presenting cells of the epidermis b. CD8+ cells only recognize antigen presenting cells bearing ... necrosis factor alpha (TNF ) can turn endothelial cells into antigen presenting cells d. all above
Last Answer : all above
Description : The α-cells of pancreas islets produce (A) Insulin (B) Glucagon (C) Somatostatin (D) Pancreatic polypeptide
Description : β-cells of islet of langerhans of the pancreas secrete (A) Insulin (B) Glucagon (C) Somatostatin (D) Pancreatic polypeptide
Description : The β-lipoprotein fraction increases in severe (A) Diabetes Mellitus (B) Uremia (C) Nephritis (D) Muscular dystrophy
Description : Which endocrine organ acts like the postganglionic neurons of the sympathetic nervous system? A) thyroid gland B) thymus gland C) adrenal cortex D) adrenal medulla E) islets of Langerhans of the pancreas
Last Answer : D) adrenal medulla
Description : Islets of langerhans ____________ and are found in _________________
Last Answer : Islets of langerhans ____________ and are found in _________________ A. Modified lymph glands, pancreas ... area, pituitary D. Small tubules, kidney
Description : The effect caused by non-functioning of islets of Langerhans is
Last Answer : The effect caused by non-functioning of islets of Langerhans is A. Heart beat rate increase B. Increased BMR C. Hyperglycaemia D. Tetany
Description : Mention the hormones secreted by islets of Langerhans. State their function.
Last Answer : The hormones secreted by islets of Langerhans are insulin and glucagon. The functions are: Insulin promotes the conversion of glucose to glycogen for storage in liver and muscles. It is secreted ... the conversion of glycogen into glucose. It is secreted when blood glucose levels are low.
Description : What are islets of Langerhans?
Last Answer : The cells of endocrine gland of pancreas are called islets of Langerhans.
Description : What do you mean by islets of langerhans?
Last Answer : A small group of cells in the pancrease which acts as endocrine gland is called islets of langerhans.
Description : Match the following structures with their respective location in organs. (A) Crypts of Lieberkuhn (i) Pancreas (B) Glisson's Capsule (ii) Duodenum (C) Islets of Langerhans (iii) Small intestine (D) Brunner's Glands (iv) Liver Select the ... ii) (iv) (c) (ii) (iv) (i) (iii) (d) (iii) (iv) (i) (ii)
Last Answer : (d) (iii) (iv) (i) (ii)
Description : Adrenaline directly affects on (a) SA node (b) β-cells of Langerhans (c) dorsal root of spinal nerve (d) epithelial cells of stomach.
Last Answer : (a) SA node
Description : Primase activity is present in (A) DNA polymerase II (B) DNA polymerase α (C) DNA polymerase β (D) DNA polymerase δ
Description : Tyrosine kinase activity is present in (A) α-Adrenergic receptors (B) β-Adrenergic receptors (C) Cholinergic receptors (D) Insulin receptors
Last Answer : Answer : D
Description : Immobilized enzymes: (A) Potentiation of activity (B) Presentation of activity (C) Preparation of activity (D) All of these
Description : Diabetes mellitus can occur due to all of the following except (A) Deficient insulin secretion (B) Tumour of β−cells (C) Decrease in number of insulin receptors (D) Formation of insulin antibodies
Description : Depolarizing neuromuscular blockers differ from competitive blockers in the following attributes except: A. They induce contraction of isolated frog rectus abdominis muscle B. Ether anaesthesia ... produces well sustained contraction D. Neostigmine does not reverse block produced by them
Last Answer : B. Ether anaesthesia intensifies block produced by them
Description : Insulin release from pancreatic β cells is augmented by the following except: A. Ketone bodies B. Glucagon C. Vagal stimulation D. Alfa adrenergic agonists
Last Answer : D. Alfa adrenergic agonist
Description : Farber’s disease is due to the deficiency of the enzyme: (A) α-Galactosidase (B) Ceramidase (C) β-Glucocerebrosidase (D) Arylsulphatase A.
Description : Gaucher’s disease is due to the deficiency of the enzyme: (A) α-Fucosidase (B) β-Galactosidase (C) β-Glucosidase (D) Sphingomyelinase
Last Answer : Answer : C
Description : When haemoglobin takes up oxygen there is a change in the structure due to the moving closer together of (A) β-chains (B) β-chains (C) γ-chains (D) α and γ chains
Description : In the synthetic pathway of epinephrine, disulfiram (antabuse) inhibits the enzyme: (A) Tyrosine hydroxylase (B) Dopamine β-hydroxylase (C) DOPA decarboxylase (D) N-methyl transferase
Description : Active uptake of glucose is inhibited by (A) Ouabain (B) Phlorrizin (C) Digoxin (D) Alloxan
Description : Which of the following equations as suggested by Colebrook and White gives the increase in roughness of a new surface (ε0 ) with age/time (t) (where, ε = roughness of the surface after time't'. α = a co-efficient to be experimentally determined ... ε = ε0 + α.t 2 (C) ε = ε0 + α.t 3 (D) ε = ε0 + α.t
Last Answer : (A) ε = ε0 + α.t
Description : Which of the following effects of epinephrine would be blocked by phentolamine but not by metoprolol ? (a) Cardiac stimulation (b) Contractionof radial smooth muscle in the iris (c) Increase of camp in fat (d) Relaxation of bronchial smooth muscle (e) Relaxation of the uterus
Last Answer : Ans: B
Description : Labetalol has: A. More potent β adrenergic blocking than α blocking activity B. More potent α adrenergic blocking than β blocking activity C. Equal α and β adrenergic blocking activity D. β1 agonistic activity in addition to α and β adrenergic blockade
Last Answer : A. More potent β adrenergic blocking than α blocking activity
Description : Adrenergic neurone blocking drugs: A. Block the action of adrenaline on neuronal α2 adrenoceptors B. Block both α and β adrenoceptor mediated effects of injected adrenaline C. Do not block any effect of injected adrenaline D. Do not block the effects of sympathetic nerve
Description : Ephedrine is similar to adrenaline in the following feature: A. Potency B. Inability to penetrate blood-brain barrier C. Duration of action D. Producing both α and β adrenergic effects
Last Answer : D. Producing both α and β adrenergic effects
Description : The following sympathomimetic amine has agonistic action on α 1 + α 2 + β 1 + β 3 adrenoceptors, but not on β 2 receptors: A. Adrenaline B. Noradrenaline C. Isoprenaline D. Phenylephrine
Last Answer : B. Noradrenaline
Description : Which one of the following pairs is incorrectly matched? (a) Glucagon – Beta cells (source) (b) Somatostatin – Delta cells (source) (c) Corpus luteum – Relaxin (secretion) (d) Insulin – Diabetes mellitus (disease
Last Answer : (a) Glucagon – Beta cells (source)
Description : Which of the following statements is NOT true about diabetes mellitus? A) Type II diabetes is much more common than type I. B) Insulin injections are required in both type I and type II ... -sugar diet. E) Symptoms of diabetes include excessive thirst, frequent urination, and glucose in the urine.
Last Answer : B) Insulin injections are required in both type I and type II diabetes.
Description : Which of the following symptoms is NOT characteristic of diabetes mellitus? A) cells unable to take up glucose B) increased breakdown of fats and protein C) frequent urination D) sugar in the urine E) bronzing of the skin
Last Answer : E) bronzing of the skin