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
Last Answer : Answer : A
Description : All the following statements regarding ketone bodies are true except (A) They may result from starvation (B) They are formed in kidneys (C) They include acetoacetic acid and acetone (D) They may be excreted in urine
Last Answer : Answer : B
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 : 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 : 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
Last Answer : Answer : D
Description : Acetyl-CoA can be formed from (A) Pyruvate (B) Fatty acids (C) ketone bodies (D) All of these
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
Last Answer : Answer : C
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 : 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 : 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
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 : 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 : 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 : 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 : 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 : 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 : 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 : During starvation, ketone bodies are used as a fuel by (A) Erythrocytes (B) Brain (C) Liver (D) All of these
Last Answer : B
Description : Utilisation of ketone bodies by peripheral tissues needs which enzyme?
Last Answer : Succinyl CoA dependent thiophorase.
Description : Ketone bodies are formed in which tissue?
Last Answer : Liver.
Description : What are ketone bodies?
Last Answer : Aceto acetate, beta hydroxy butyric acid, and acetone.
Description : Which one of the following tissues can metabolize glucose, fatty acids and ketone bodies for ATP production? a. Liver b. Muscle c. Brain d. R.B.C
Last Answer : Ans: B
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 : A reducing sugar will (a) react with Fehling's test (b) not react with Fehling's test (c) have fewer calories (d) always be a ketone
Last Answer : react with Fehling's test
Description : The appearance of a silver mirror in Tollens' test indicates the presence of : (a) an aldehyde (b) a ketone (c) an alcohol (d) an alkene
Last Answer : an aldehyde
Description : Enzymes responsible for ketone body formation are associated mainly with the (A) Mitochondria (B) Endoplasmic reticulum (C) Nucleus (D) Golgi apparatus
Description : A pathway that requires NADPH as a cofactor is (A) Extramitochondrial folic acid synthesis (B) Ketone body formation (C) Glycogenesis (D) Gluconeogenesis
Description : Ketone body utilisation is taking place in which organs?
Last Answer : Ketolysis is taking place in extra hepatic tissues. (All other tissues, except liver).
Description : What is the rate-limiting-step in ketone body formation?
Last Answer : HMGCoA synthase.
Description : Which disaccharide has no free aldehyde or ketone group?
Last Answer : Sucrose.
Description : The hormone measured in urine to test pregnancy is (A) Anterior pituitary luteinizing hormone (B) Androgen (C) Progesterone (D) Choroinic gonadotropin
Description : Urea clearance test is used to determine the (A) Glomerular filtration rate (B) Renal plasma flow (C) Ability of kidney to concentrate the urine (D) Measurement of tubular mass
Description : Benedict’s test is less likely to give weakly positive results with concentrated urine due to the action of (A) Urea (B) Uric acid (C) Ammonium salts (D) Phosphates
Description : ADH test is based on the measurement of (A) Specific gravity of urine (B) Concentration of urea in urine (C) Concentration of urea in blood (D) Volume of urine in ml/minute
Last Answer : A
Description : Which of the following techniques would be most useful in the differential diagnosis between ectopic Cushing's syndrome and pituitary dependent Cushing's disease. 1) Urine free cortisol 2) ... Dexamethasone suppression test 3) ACTH concentrations 4) Inferior petrosal sinus sampling 5) CRF test
Last Answer : Answers-4 Inferior petrosal sinus sampling with an elevated central ACTH concentration compared with the peripheral value is the most valuable test in the differential diagnosis of either Cushing's disease or ectopic Cushing's syndrome. The other tests are far less useful in comparison.
Description : What is the test for reducing sugars in urine?
Last Answer : Benedictís test.
Description : Identify any FIVE elements named after astronomical bodies:
Last Answer : ANSWER: PALLADIUM; URANIUM; PLUTONIUM; NEPTUNIUM; SELENIUM; TELLERIUM; HELIUM; CERIUM
Description : What has your Raspberry Ketone experience been?
Last Answer : Throwing away your money.
Description : When semicarbazide reacts with a ketone (or aldehyde) to form semicarbazone. Only one nitrogen atom of semicarbazide acts as a nucleophile and attack
Last Answer : When semicarbazide reacts with a ketone (or aldehyde) to form semicarbazone. Only one ... atoms of semicarbazide are relatively non nucleophilic ?
Description : Indicate the starting aldehyde or ketone from which each of the following compounds are formed by an aldol condensation reaction. (a)2-Ethyl-3-hydroxy
Last Answer : Indicate the starting aldehyde or ketone from which each of the following compounds are formed by an ... hexanal (b) 4-Hydroxy-4-methyl-2-pentanone
Description : Which of the following compound gives ethylmethyl ketone on oxidation ?
Last Answer : Which of the following compound gives ethylmethyl ketone on oxidation ? A. Propan-2-ol B. Butan-1-ol C. Butan-2-ol D. 2-methylbutan-2-ol