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 : All of the following statements about uric acid are true except (A) It is a catabolite of purines (B) It is excreted by the kidneys (C) It is undissociated at pH above 5.8 (D) It is less soluble than sodium urate
Last Answer : Answer : C
Description : All of the following statements about uric acid are true except (A) It can be formed from allantoin (B) Formation of uric acid stones in kidneys can be decreased by alkalinisation of urine (C) Uric acid begins to dissociate at pH above 5.8 (D) It is present in plasma mainly as monosodium urate
Last Answer : Answer : A
Description : Acetoacetic acid and β-OH butyric acid are formed as (A) Kidneys (B) Heart (C) Liver (D) Intestine
Description : During starvation, ketone bodies are used as a fuel by (A) Erythrocytes (B) Brain (C) Liver (D) All of these
Last Answer : B
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 : All of the following statements about primary gout are true except (A) Uric acid stones may be formed in kidneys (B) Arthritis of small joints occurs commonly (C) Urinary excretion of uric acid is decreased (D) It occurs predominantly in males
Description : All the following correctly describe the intermediate 3-OH-3-methyl glutaryl CoA except (A) It is generated enzymatically in the mitochondrial matrix (B) It is formed in the cytoplasm (C) It inhibits the first step in cholesterol synthesis (D) It is involved in the synthesis of ketone bodies
Description : In humans under normal conditions loss of ketone bodies via urine is usually less than (A) 1 mg/24 hr (B) 4 mg/24 hr (C) 8 mg/24 hr (D) 10 mg/24 hr
Description : What test is used to identify ketone bodies in urine?
Last Answer : Rotheraís test.
Description : Which one of the following is an abnormal constituent of urine? (1) Creatinine (2) Urea (3) Uric acid (4) Ketone bodies
Last Answer : (4) Ketone bodies Explanation: Ketone bodies are three watersoluble compounds that are produced as byproducts when fatty acids are broken down for energy in the liver. Two of the three are ... exceeds the rate of utilization, their concentration in blood increases, this is known as ketonemia.
Description : Which one of the following is an abnormal constituent of urine ? (1) Creatinine (2) Urea (3) Uric acid (4)Ketone bodies
Last Answer : Ketone bodies
Description : Which of the following statements about normal salt and water balance are true? A. The products of catabolism may be excreted by as little as 300 ml. of urine per day. B. The lungs represent ... of total body water. E. In normal humans, urine represents the greatest source of daily water loss.
Last Answer : Answer: CE DISCUSSION: The skin is the primary source of insensible water loss. Including losses from the lungs, this averages 600 to 900 ml. per day. Catabolism liberates water of solution. In ... still excrete a minimum of 500 to 800 ml. of urine per day to expel the products of catabolism
Description : All of the following tissue are capable of using ketone bodies except (A) Brain (B) Renal cortex (C) R.B.C. (D) Cardiac muscle
Description : All statements regarding 3-OH-3 methyl glutaryl CoA are true except (A) It is formed in the cytoplasm (B) Required in ketogenesis (C) Involved in synthesis of Fatty acid (D) An intermediate in cholesterol biosynthesis
Last Answer : Answer : B
Description : Acetyl-CoA can be formed from (A) Pyruvate (B) Fatty acids (C) ketone bodies (D) All of these
Description : The acetyl CoA formed on β-oxidation of all long chain fatty acids is metabolized under normal circumstances to (A) CO2 and water (B) Cholesterol (C) Fatty acids (D) Ketone bodies
Description : Ketone bodies are formed in (A) Kidney (B) Liver (C) Heart (D) Intestines
Description : Ketone bodies are formed in which tissue?
Last Answer : Liver.
Description : The presence of ketone bodies in urine are indicative of ?
Last Answer : The presence of ketone bodies in urine are indicative of ? A. Diabetes insipidus B. Diabetes mellitus C. Starvation D. Both 2 and 3
Description : presence of ketone bodies in urine is called
Last Answer : presence of ketone bodies in urine is called
Description : All of the following statements about allopurinol are true except (A) It is a structural analogue of uric acid (B) It can prevent uric acid stones in the kidneys (C) It increases the urinary excretion of xanthine and hypoxanthine (D) It is a competitive inhibitor of xanthine oxidase
Description : All of the following are properties of fluoride except: A. Crosses the placental barrier B. It deposits rapidly in bone C. It is excreted rapidly by kidneys D. It is bacteriostatic E. It produces extrinsic tooth stain
Last Answer : E. It produces extrinsic tooth stain
Description : Upon the entry of carbon dioxide in the red blood cells, H+ionsare formed at a very rapid rate, and yet the blood does not turn acid because (a) H+ ions are rapidly exchanged at the ... haemoglobin and plasma (d) H+ ions are buffered by proteins of haemoglobin and proteins and phosphates of plasma
Last Answer : Ans:(c)
Description : Which of the following products of triacylglycerol breakdown and subsequent β-Oxidation may undergo gluconeogenesis? (A) Acetyl CoA (B) Porpionyl CoA (C) All ketone bodies (D) Some amino acids
Description : Ketone bodies are synthesized from fatty acid oxidation products by which of the following organs? (A) Liver (B) Skeletal muscles (C) Kidney (D) Brain
Description : A pathway that requires NADPH as a cofactor is (A) Fatty acid oxidation (B) Extra mitochondrial denovo fatty acid synthesis (C) Ketone bodies formation (D) Glycogenesis
Description : In human and other ureotelic organisms, the end product of amino acid nitrogen metabolism: (A) Bile acids (B) Ketone bodies (C) Urea (D) Barium sulphate
Description : Bence Jones proteins may be excreted in urine of patients suffering from (A) Tuberculosis (B) Diabetes mellitus (C) Multiple myeloma (D) Hyperthyroidism
Description : Cholesterol is excreted as such into ________. (A) Urine (B) Faeces (C) Bile (D) Tears FATS AND FATTY ACID METABOLISM 99
Description : Amount of phenylacetic acid excreted in the urine in phenylketonuria is (A) 100–200 mg/dL (B) 200–280 mg/dL (C) 290–550 mg/dL (D) 600–750 mg/dL
Description : Ketone bodies are utilized by all tissues except Options: 1) Liver 2) Muscle 3) Heart 4) Kidney
Last Answer : Correct Answer: 1) Liver
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 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 : Pyruvic acid can be obtained by transamination of alanine with (A) α- keto glutaric acid (B) Acetoacetic acid (C) β−OH butyric acid (D) Phosphoenol Pyruvic acid
Description : When acetone is added in a two layer mixture of methyl isobutyl ketone and water at 30°C, the acetone distributes between the two layers and the composition of the layer follows two solubility curves. For this system ... at the concentration of the plait point (D) All (A), (B) and (C
Last Answer : (D) All (A), (B) and (C
Description : Acetyl CoA required for de novo synthesis of fatty acids is obtained from (A) Breakdown of existing fatty acids (B) Ketone bodies (C) Acetate (D) Pyruvate
Description : Ketone bodies serve as a fuel for (A) Extrahepatic tissues (B) Hepatic tissues (C) Erythrocytes (D) Mitochondria
Description : The structure which appears to be the only organ to add significant quantities of ketone bodies to the blood is (A) Brain (B) Erythrocytes (C) Liver (D) Skeletal muscle
Description : The concentration of ketone bodies in the blood does not normally exceed (A) 0.2 mmol/L (B) 0.4 mmol/L (C) 1 mmol/L (D) 2 mmol/L
Description : Ketone bodies are synthesized in (A) Adipose tissue (B) Liver (C) Muscles (D) Brain
Description : An enzyme required for the synthesis of ketone bodies as well as cholesterol is (A) Acetyl CoA carboxylase (B) HMG CoA synthetase (C) HMG CoA reductase (D) HMG CoA lyase
Description : Utilisation of ketone bodies by peripheral tissues needs which enzyme?
Last Answer : Succinyl CoA dependent thiophorase.
Description : What are ketone bodies?
Last Answer : Aceto acetate, beta hydroxy butyric acid, and acetone.
Description : Maximum quantity of sodium is excreted through (A) Urine (B) Faeces (C) Sweat (D) None of these
Description : In human beings molybdenum is mainly excreted in (A) Feces (B) Sweat (C) Urine (D) Tears
Description : In Hunter’s syndrome (A) There is progressive corneal opacity (B) Keratan sulphate is excreted in the urine (C) Enzyme defective is arylsulphatase B (D) Hearing loss is perceptive
Description : Molecular Iron, Fe, is (A) Stored in the body in combination with Ferritin (B) Stored primarily in the spleen (C) Excreted in the urine as Fe2+ (D) absorbed in the intestine by albumin VITAMINS 129
Description : Urea clearance is the (A) Amount of urea excreted per minute (B) Amount of urea present in 100 ml of urine (C) Volume of blood cleared of urea in one minute (D) Amount of urea filtered by glomeruli in one minute