Description : NH3 is detoxified in brain chiefly as (A) Urea (B) Uric acid (C) Creatinine (D) Glutamine
Last Answer : Answer : D
Description : Mechanism by which NH3 is removed from the kidneys is (A) Urea formation (B) Uric acid formation (C) Creatinine formation (D) None of these
Description : When NH3 is perfused through a dog’s liver ______ is formed, while ______ is formed in the birds liver. (A) Urea, Uric acid (B) Urea, allantoin (C) Uric acid, creatinine (D) Uric acid, Urea
Last Answer : Answer : A
Description : In humans, NH3 is detoxified in liver as (A) Creatinine (B) Uric acid (C) Urea (D) Uronic acid
Last Answer : Answer : C
Description : Organic compound of small molecular size is (A) Urea (B) Uric acid (C) Creatinine (D) Phosphates
Description : Gout is characterized by increased plasma levels of (A) Urea (B) Uric acid (C) Creatine (D) Creatinine
Last Answer : Answer : B
Description : Non-protein nitrogenous substances in blood include all of the following except (A) Urea (B) Uric acid (C) Creatinine (D) Inositol
Description : The major end product of protein nitrogen metabolism in man is (A) Glycine (B) Uric acid (C) Urea (D) NH3
Description : The four nitrogen atoms of purines are derived from (A) Urea and NH3 (B) NH3, Glycine and Glutamate (C) NH3, Asparate and Glutamate (D) Aspartate, Glutamine and Glycine
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 : 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
Description : Nitrogenous waste products are eliminated mainly as (a) urea in tadpole and ammonia in adult frog (b) ammonia in tadpole and urea in adult frog (c) urea in both tadpole and adult frog (d) urea in tadpole and uric acid in adult frog.
Last Answer : (b) ammonia in tadpole and urea in adult frog
Description : In brain, the major metabolism for removal of ammonia is the formation of (A) Glutamate (B) Aspartate (C) Asparagine (D) Glutamine
Description : In most mammals, except primates, uric acid is metabolized by (A) Oxidation to allantoin (B) Reduction to NH3 (C) Hydrolysis to allantoin (D) Hydrolysis to NH3
Description : In humans, the principal break down product of purines is (A) NH3 (B) Allantin (C) Alanine (D) Uric acid
Description : Synthesis of GMP and IMP requires the following: (A) NH3 NAD+, ATP (B) Glutamine, NAD+, ATP (C) NH3, GTP, NADP+ (D) Glutamine, GTP, NADP+
Description : Two nitrogen of the pyrimidines ring are obtained from (A) Glutamine and Carbamoyl-p (B) Asparate and Carbamoyl-p (C) Glutamate and NH3 (D) Glutamine and NH3
Description : The major source of NH3 produced by the kidney is (A) Leucine (B) Glycine (C) Alanine (D) Glutamine
Description : The major catabolic product of pyrimidines in human is (A) β-Alanine (B) Urea (C) Uric acid (D) Guanine
Description : In humans end product of purine catabolism is (A) Uric acid (B) Urea (C) Allantoin (D) Xanthine
Description : Ammonia is excreted as ammonium salts during metabolic acidosis but the majority is excreted as (A) Phosphates (B) Creatine (C) Uric acid (D) Urea
Description : The end product of amino acid nitrogen metabolism in uricotelic organisms (reptiles and birds) is (A) Bilirubin (B) Urea (C) Uric acid (D) Biliverdin
Description : The unwanted amino acids abstracted from the tissues are either used up by the tissue or in the liver converted into (A) Ammonia (B) Urea (C) Ammonium salts (D) Uric acid
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
Last Answer : B
Description : Along with CO2, NH3 and ATP, the amino acid that is needed in urea cycle is (A) Alanine (B) Isoleucine (C) Aspartate (D) Glycine
Description : Among the following, the most sensitive indicator of glomerular function is (A) Serum urea (B) Serum creatinine (C) Urea clearance (D) Creatinine clearance
Description : A simple way to assess tubular function is to withhold food and water for 12 hours and, then, measure (A) Serum urea (B) Serum creatinine (C) Urine output in one hour (D) Specific gravity of urine
Description : A 60-year-old man was diagnosed last year with adenocarcinoma of the lung, and a 4 cm mass lesion was treated with a right lower lobectomy. He now has an ... 2) Membranous glomerulonephritis 3) Minimal change glomerulonephritis 4) Nodular glomerulosclerosis 5) Rapidly progressive glomerulonephritis
Last Answer : Answers-2 Most cases of membranous GN are idiopathic, but in some patients there is a history of an infection or a malignancy (usually lung) with antigenemia.
Description : A 15-year-old girl was seen by her family physician because of increasing lethargy. She had a recent history of the "flu". Biochemistry tests show that she has renal impairement. ... will likely develop a restrictive lung disease 5) She will probably improve with additional corticosteroid therapy
Last Answer : Answers-2 The findings point to focal segmental glomerulosclerosis (FSGS), which leads to chronic renal failure in half of cases. The lack of resolution with corticosteroid therapy and the progression to chronic renal failure is what sets FSGS apart from minimal change disease.
Description : The 2 nitrogen atoms in urea are contributed by (A) Ammonia and glutamate (B) Glutamine and glutamate (C) Ammonia and aspartate (D) Ammonia and alanine
Description : Essential amino acids have been advocated as standard therapy for renal failure. Which of the following statements are true? A. Increased survival from acute renal failure has been reported ... BUN and creatinine to the same degree as solutions containing excessive nonessential amino acids.
Last Answer : Answer: BC DISCUSSION: Essential amino acids and hypertonic dextrose, as opposed to hypertonic dextrose alone, was reported by Abel and co-workers to be associated with a decreased mortality rate ... renal failure have not been carried out in sufficient numbers to yield answers to this question
Description : Raw materials for urea production are (A) CO2 and N2 (B) CO2 , H2 and N2 (C) NH3 and CO (D) HNO3 and CaCO3
Last Answer : (B) CO2 , H2 and N2
Description : __________ catalyst is used in the production of urea from CO2 and NH3 . (A) Vanadium pentoxide (B) No (C) Alumina (D) Nicke
Last Answer : (B) No
Description : Acid rains are produced by (a) excess NO2 and SO2 from burning fossil fuels (b) excess production of NH3 by industry and coal gas (c) excess release of carbon monoxide by incomplete combustion (d) excess formation of CO2 by combustion and animal respiration.
Last Answer : (a) excess NO2 and SO2 from burning fossil fuels
Description : Buffering action of haemoglobin is mainly due to its (A) Glutamine residues (B) Arginine residues (C) Histidine residues (D) Lysine residues
Description : Ammonia is transported from muscles to liver mainly in the form of (A) Free ammonia (B) Glutamine (C) Asparagine (C) Alanine
Description : Two nitrogen atoms of Urea in the urea cycle come from (A) NH3 (B) One from NH3 and one from aspartate (C) One from NH3 and one from glutamate (D) One from NH3 and one from alanine
Description : After being counseled about lifestyle and dietary changes, the patient was started on atorvastatin. During his treatment with atorvastatin, it is important to routinely monitor serum concentrations of (a) ... Alanine and aspartate aminotransferase (c) Platelets (d) Red blood cells (e) Uric acid
Last Answer : Ans: D
Description : The first organic compound synthesized in the laboratory was - (1) Urea (2) Uric acid (3) Lactic acid (4) Glucose
Last Answer : (1) Urea Explanation: In 1828, German chemist Friedrish Wohler synthesized first organic compound, urea in the laboratory by heating ammonium cyanate (an inorganic compound).
Description : Under normal conditions which one is completely reabsorbed in the renal tubule? (a) Urea (b) Uric acid (c) Salts (d) Glucose
Last Answer : d) Glucose
Description : The ornithine cycle removes two waste products from the blood in liver. These products are (a) CO2 and ammonia (b) ammonia and uric acid (c) CO2 and urea (d) ammonia and urea.
Last Answer : a) CO2 and ammonia
Description : Select the option which shows correct matching of animal with its excretory organ and excretory product. Animal Excretory Excretory organ product (a) Labeo (Rohu) Nephridial Ammonia tubes (b) Salamander Kidneys Urea (c) Peacock Kidneys Urea (d) Housefly Renal tubules Uric acid
Last Answer : (b) Salamander Kidneys Urea
Description : Diethyl malonate reacts with urea in the presence of sodium ethoxide to form (a) Uric acid (b) Barbituric acid (c) Phenobarbital (d) Barbital
Last Answer : Barbituric acid
Description : Uric acid on oxidation with alkaline KMnO4 forms : (a) Urea (b) Barbituric acid (c) Allantoin (d) Caffeine
Last Answer : Allantoin
Description : Complete hydrolysis of proteins produces : (a) Ammonia and carbon dioxide (b) Urea and uric acid (c) A mixture of amino acids (d) Glycogen and a fatty acid
Last Answer : A mixture of amino acids
Description : Which of the following is not a constituent of normal urine? (a) Albumin (b) Urea (c) Sodium chloride (d) Uric acid
Last Answer : Albumin
Description : Ammonium acetate on strong heating gives (a) Urea (b) Formamide (c) Uric acid (d) Acetamide
Last Answer : Acetamide
Description : Which of the following is NOT a nitrogenous waste compound excreted by animals? a) urea b) ammonia c) uric acid d) pyridine
Last Answer : ANSWER: D -- PYRIDINE