Description : Alloxan can experimentally induce diabetes mellitus due to (A) Stimulation of α cells of the islets of langerhans (B) Necrosis of the β cells of the islets (C) Potentiation of insulinase activity (D) Epinephrine like action
Last Answer : Answer : B
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 : 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
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 : All the following statements correctly describe ketone bodies except (A) They may result from starvation (B) They are present at high levels in uncontrolled diabetes (C) They include—OH β-butyrate and acetone (D) They are utilized by the liver during long term starvation
Last Answer : Answer : D
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 : 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 : 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 : Which cells in pancreas produce Insulin ? (1) Thymus (2) Estrogen (3) Corpus epididymis (4) Islets of Langerhans
Last Answer : Islets of Langerhans
Description : β-cells of islet of langerhans of the pancreas secrete (A) Insulin (B) Glucagon (C) Somatostatin (D) Pancreatic polypeptide
Last Answer : Answer : A
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 : 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 : 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 : All the following statements about ketone bodies are true except (A) Their synthesis increases in diabetes mellitus (B) They are synthesized in mitchondria (C) They can deplete the alkali reserve (D) They can be oxidized in the liver
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 : Restriction of salt intake is generally recommended in (A) Diabetes mellitus (B) Hypertension (C) Cirrhosis of liver (D) Peptic ulcer
Last Answer : B
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 : Fluorosis is caused due to (A) Excessive intake of fluorine (B) Low intake of fluorine (C) Discoloration of the teeth due to low intake (D) All of these
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 structures present in mammalian skin directly helps in keeping the body warm? (1) Pigmented cells (2) Sweat glands (3) Lymph vessels (4) Blood capillaries
Last Answer : (2) Sweat glands Explanation: In the skin, two types of glands are present.
Last Answer : (3) Lymph vessels Explanation: The lymphatic system consists of a network of specialized lymphatic vessels and various tissues and organs throughout the body that contain lymphocytes (White Blood Cells) and ... skin and in the deeper fatty tissues near the muscles and can be found near arteries.
Description : Which of the following structures present in mammalian skin directly helps in keeping the body warm ? (1) Pigmented cells (2) Sweat glands (3) Lymph vessels (4) Blood capillaries
Last Answer : Lymph vessels
Description : All the following statements about obstructive jaundice are true except (A) Prothrombin time may be prolonged due to impaired absorption of vitamin K (B) Serum alkaline phosphatase may be raised ... systemic circulation due to biliary obstruction (D) There is no defect in conjugation of bilirubin
Description : All the following statements about Wilson’s disease are correct except (A) It is a genetic disease (B) The defect involves copper-dependent P-type ATPase (C) Copper is deposited in liver, basal ganglia and around cornea (D) Plasma copper level is increased in it
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
Description : With respect to lipoprotein transport and metabolism in the body, the following statements are correct EXCEPT: 1) Arterial walls contain cells with LDL receptors. 2) Cholesterol is required for the ... is assembled in the extracellular space. 5) VLDL transformation to LDL occurs in adipose tissue.
Last Answer : Answers-3 Chylomicrons are formed in the gut from exogenous triacylglycerols and cholesterol. They are released into the lymph and thereby enter the blood.They are not formed in the liver.
Description : Four healthy people in their twenties got involved in injuries resulting in damage and death of few cells of the following. Which of the cells are least likely to be replaced by new cells? (a) Liver cells (b) Neurons (c) Malpighian layer of the skin (d) Osteocytes
Last Answer : (b) Neurons
Description : Continued intake of excessive amounts of vitamin A especially in children produces (A) Irritability (B) Anorexia (C) Headache (D) All of these
Description : Excessive intake of ethanol increases the ratio: (A) NADH : NAD+ (B) NAD+ : NADH (C) FADH2 : FAD (D) FAD : FADH2
Last Answer : A
Description : A 73 year old male presented with an acute attack of gout in his left knee. What is the most likely underlying metabolic cause? 1) decreased renal excretion of uric acid 2) endogenous overproduction of uric acid 3) excessive dietary purine intake 4) lactic acidosis 5) starvation
Last Answer : Answers-1 The aetiology of gout can broadly be divided into cases where there is underexcretion of urate via the kidney (90%) or endogenous overproduction of uric acid (10%) although in practical ... diuretic use. Excessive dietary intake of purines is unlikely to be the main cause in this case.
Description : Why excessive intake of alcohol produces hypoglycemia?
Last Answer : Because ethanol inhibits gluconeogenesis.
Description : Why excessive intake of alcohol produces lactic acidosis?
Last Answer : During alcohol oxidation, NADH is generated, which converts pyruvate to lactate.
Description : Excessive consumption of ethanol ca uses major damage to the (a) kidneys (b) lungs (c) heart (d) liver
Last Answer : Ans:(d)
Description : Immunodeficiency: a) A localized protective reaction of tissue to irritation, injury, or infection, characterized by pain, redness, swelling, and sometimes a loss of function b) A disorder or deficiency ... effect and damage the liver. e) It is an immunity disorder which is genetically transferred.
Last Answer : Ans: B
Description : Which of the following statements about Menke’s disease are true. (A) It is an inherited disorder of copper metabolism (B) It occurs only in males (C) Plasma copper is increased in it (D) Hair becomes steely and kinky in it
Last Answer : Answer : C
Description : The α-cells of pancreas islets produce (A) Insulin (B) Glucagon (C) Somatostatin (D) Pancreatic polypeptide
Description : δ-Cells of islet of langerhans of pancreas produce (A) Pancreatic polypeptide (B) Pancreatic lipase (C) Somatostatin (D) Steapsin
Description : Currgisis of liver is caused by the chronic intake of
Last Answer : Currgisis of liver is caused by the chronic intake of A. Alcohol B. Tobacco ( chewing) C. Cocaine D. Opium
Description : Cirrhosis of liver is caused by the chronic intake of (a) opium (b) alcohol (c) tobacco (chewing) (d) cocaine
Last Answer : b) alcohol
Description : Cirrhosis of liver is caused by the chronic intake of (1) Cocaine (2) Opium (3) Alcohol (4) Tobacco (Chewing)
Last Answer : (3) Alcohol
Description : Which of the following pair is characterised by swollen lips, thick pigmented skin of hands and legs and irritability? (a) Thiamine – Beri-beri (b) Protein – Kwashiorkor (c) Nicotinamide – Pellagra (d) Iodine – Goitre
Last Answer : (c) Nicotinamide – Pellagra