Description : The output of free fatty acids from adipose tissue is reduced by (A) Insulin (B) Glucagon (C) Growth hormone (D) Epinephrine
Last Answer : Answer : A
Description : Epinephrine increases all of the following except (A) Glycogenolysis in muscles (B) Lipolysis in adipose tissue (C) Gluconeogenesis in muscles (D) Glucagon secretion
Last Answer : Answer : C
Description : Epinephrine increases the concentration of free fatty acids in plasma by increasing (A) Extramitochondrial fatty acid synthesis (B) Mitochondrial fatty acid chain elongation (C) Microsomal fatty acid chain elongation (D) Lipolysis in adipose tissue
Last Answer : Answer : D
Description : HMG-CoA reductase activity is increased by administration of the hormone: (A) Insulin (B) Glucagon (C) Epinephrine (D) Glucocorticoids
Description : When the stired triacylglycerol is lipolysed in the adipose tissue blood levels of _____ increased. (A) FFA only (B) Glycerol only (C) Free fatty acids (FFA) and Glycerol (D) Triacyl glycero
Description : Which is NOT a correct association of tissues and hormones or functions? A) adipose tissue--leptin to regulate a feeling of fullness B) thymus--use of iodine to make thyroxine for ... insulin for regulation of blood glucose levels E) pancreas--glucagon for regulation of blood glucose levels
Last Answer : B) thymus--use of iodine to make thyroxine for regulation of body growth
Description : The desaturation and chain elongation system of polyunsaturated fatty acid are enhanced by (A) Insulin (B) Glucagon (C) Epinephrine (D) Thyroxine
Description : Acromegaly results due to excessive release of (A) Thyroxine (B) Growth hormone (C) Insulin (D) Glucagon
Last Answer : Answer : B
Description : This hormone has disulphide group: (A) Glucagon (B) Insulin (C) T4 (D) Epinephrine
Description : Whcih of the following hormone does not activate adenylate cyclase? (A) Epinephrine (B) Glucagon (C) Parathyroid hormone (D) Insulin
Description : The hormone activating the glycogen synthase activity is (A) Insulin (B) Glucagon (C) Epinephrine (D) ACTH
Description : All the following statements about brown adipose tissue are true except (A) It is rich in cytochromes (B) It oxidizes glucose and fatty acids (C) Oxidation and phosphorylation are tightly coupled in it (D) Dinitrophenol has no effect on it
Description : Glucagon: a. is a positive inotrope b. is produced by the beta cells of the pancreas c. stimulates production of free fatty acids in the blood d. its release is increased in starvation
Last Answer : its release is increased in starvation
Description : The primary stimulus for insulin secretion is increased. (A) Blood level of epinephrine (B) Blood level of glucagon (C) Blood level of glucose (D) Water intake
Description : Hepatic glycogenoloysis is increased by (A) Insulin (B) Glucagon (C) Epinephrine (D) Glucocorticoids ENZYMES 163
Description : Glycogenoloysis is increased by (A) Glucagon (B) Insulin (C) Epinephrine (D) cAMP
Description : All the following hormones promote hyperglycemia except (A) Epinephrine (B) Norepinephrine (C) Insulin (D) Glucagon
Description : Fatty acids are a major energy source for the body. Which of the following statement(s) is/are true concerning the use of fatty acids as an energy source? a. Fatty acids are stored in ... 25% of total nonprotein caloric needs supplied via total parenteral nutrition should be in the form of fat
Last Answer : Answer: a, b, d In most tissues, fatty acids are readily oxidized for energy. They are especially important energy sources for the heart, liver and skeletal muscle. In ... administered to patients receiving total parenteral nutrition should comprise about 5-30% of total nonprotein caloric needs
Description : Free fatty acids released from adipose tissue are transported in blood by (A) Albumin (B) VLDL (C) LDL (D) HDL
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 : The desaturation and chain elongation system of polyunsaturated fatty acids are greatly diminished in the absence of (A) Insulin (B) Glycagon (C) Epinephrine (D) Thyroxine
Description : The principal action of insulin in adipose tissue is to inhibit the activity of the (A) Hormone sensitive lipoprotein lipase (B) Glycerol phosphate acyltransferase (C) Acetyl-CoA carboxylase (D) Pyruvate dehydrogenase
Description : Which of the following statement(s) is/are true concerning the neuroendocrine responses to shock? a. Sympathetic nerve endings release epinephrine which is responsible for greater than 80% ... injury and sepsis d. The renin-angiotensin axis further augments the sympathetic-mediated vasoconstriction
Last Answer : Answer: c, d The neuroendocrine response to shock attempts to achieve restoration of effective blood volume, mobilization of metabolic substrates, and maintenance of central ... . Angiotensin II is an extremely effective vasoconstrictor that further augments sympathetic-mediated vasoconstriction
Description : α-Oxidation of fatty acids occurs mainly in (A) Liver (B) Brain (C) Muscles (D) Adipose tissue
Description : It is unique that the following single antidiabetogenic hormone effectively counter acts the several diabetogenic hormones: (A) Glucagon (B) Glucocorticoids (C) Insulin (D) Growth hormone
Description : Which of the following hormones are synthesized as prehormones (A) Vasopressin and oxytocin (B) Growth hormone and insulin (C) Insulin and parathyroid hormone (D) Insulin and Glucagon
Description : Secretion of Insulin-like Growth Factor-I is promoted by (A) Insulin (B) Glucagon (C) Growth hormone (D) Somatomedin C
Description : Hepatic liponenesis is stimulated by: (A) cAMP (B) Glucagon (C) Epinephrine (D) Insulin
Description : Reactivation of inactive liver phosphorylase is normally favoured by (A) Insulin (B) Epinephrine (C) ACTH (D) Glucagon
Last Answer : D
Description : Gluconeogenesis is decreased by (A) Glucagon (B) Epinephrine (C) Glucocorticoids (D) Insulin
Description : The level of free fatty acids in plasma is increased by (A) Insulin (B) Caffeine (C) Glucose (D) Niacin
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 : Which of the following regulates lipolysis in adipocytes? (A) Activation of fatty acid synthesis mediated by CAMP (B) Glycerol phosphorylation to prevent futile esterification of fatty acids (C) ... result of hormone stimulated increases in CAMP levels (D) Activation of CAMP production by Insulin
Description : A 55-year-old male undergoes a total abdominal colectomy. Which of the following statement(s) is/are true concerning the hormonal response to the surgical procedure? a. Adrenocorticotropic ... in serum insulin and a fall in glucagon accelerate hepatic glucose production and maintain gluconeogenesis
Last Answer : Answer: a, c One of the earliest consequence of a surgical procedure is the rise in levels of circulating cortisol that occur in response to a sudden outpouring of ACTH ... hepatic glucose production, and, with other hormones (epinephrine and glucocorticoids), gluconeogenesis is maintained
Description : Which hormone causes dilation of blood vessels, increased oxygen consumption and glucogenesis? (a) Glucagon (b) ACTH (c) Insulin (d) Adrenaline
Last Answer : (d) Adrenaline
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 hormones do stimulate the production of pancreatic juice and bicarbonate? (a) Angiotensin and epinephrine (b) Gastrin and insulin (c) Cholecystokinin and secretin (d) Insulin and glucagon
Last Answer : (c) Cholecystokinin and secretin
Description : The metabolic actions of adrenaline include the following except: A. Glycogenolysis in liver and muscle B. Inhibition of neoglucogenesis in liver C. Lipolysis in adipose tissue D. Release of potassium from liver followed by its uptake
Last Answer : B. Inhibition of neoglucogenesis in liver
Description : De novo synthesis and oxidation of fatty acids differ in the following respect: (A) Synthesis occurs in cytosol and oxidation in mitochondria (B) Synthesis is decreased and oxidation increased by ... synthesis and FAD in oxidation (D) Malonyl CoA is formed during oxidation but not during synthesis
Description : All the following statements about acetyl CoA carboxylase are true except (A) It is required for de novo synthesis of fatty acids (B) It is required for mitochondrial elongation of fatty acids ( ... for microsomal elongation of fatty acids (D) Insulin converts its inactive form into its active form
Description : Zinc is involved in storage and release of (A) Histamine (B) Acetylcholine (C) Epinephrine (D) Insulin
Description : The following is true about gluconeogenesis: a. it occurs in liver b. it occurs in kidney c. it occurs in adipose tissue d. it is inhibited by glucagon
Last Answer : it occurs in liver
Description : Cyclic AMP is formed from ATP by the enzyme adenylate cyclase which is activated by the hormone: (A) Insulin (B) Epinephrine (C) Testosterone (D) Progesterone
Last Answer : B
Description : This pancreatic hormone promotes hypogenesis: (A) Insulin (B) Glucagon (C) Stomato station (D) Pancreozymine
Description : This pancreatic hormone increases the blood-sugar level: (A) Insulin (B) Glucagon (C) Pancreozymin (D) Pancreatic polypeptide
Description : Which of the following hormone increases the absorption of glucose from G.I.T? (A) Insulin (B) Throid hormones (C) Glucagon (D) FSH
Description : Glycerol released from adipose tissue by hydrolysis of triglycerides is mainly (A) Taken up by liver (B) Taken up by extrahepatic tissues (C) Reutilised in adipose tissue (D) Excreted from the body FATS AND FATTY ACID METABOLISM 85
Description : Whcih of the following hormone is a peptide of less than ten amino acids? (A) Insulin (B) Growth hormone (C) Oxytocin (D) Parathyroid hormone 228 MCQs IN BIOCHEMISTRY
Description : The first protein synthesized by recombinant DNA technology was (A) Streptokinase (B) Human growth hormone (C) Tissue plasminogen activator (D) Human insulin