Uric acid is the end product of purine as well as protein catabolism in (A) Man (B) Fish (C) Birds (D) None of these

Uric acid is the end product of purine as well as protein catabolism in (A) Man (B) Fish (C) Birds (D) None of these
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The end product of purine catabolism in man is (A) Inosine (B) Hypoxanthine (C) Xanthine (D) Uric acid

Description : The end product of purine catabolism in man is (A) Inosine (B) Hypoxanthine (C) Xanthine (D) Uric acid

Last Answer : Answer : D

In humans end product of purine catabolism is (A) Uric acid (B) Urea (C) Allantoin (D) Xanthine

Description : In humans end product of purine catabolism is (A) Uric acid (B) Urea (C) Allantoin (D) Xanthine

Last Answer : Answer : A

The major end product of protein nitrogen metabolism in man is (A) Glycine (B) Uric acid (C) Urea (D) NH3

Description : The major end product of protein nitrogen metabolism in man is (A) Glycine (B) Uric acid (C) Urea (D) NH3

Last Answer : Answer : C

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 end product of amino acid nitrogen metabolism in uricotelic organisms (reptiles and birds) is (A) Bilirubin (B) Urea (C) Uric acid (D) Biliverdin

Last Answer : Answer : C

Which pathway is correct for catabolism of purines to form uric acid? (A) Guanylate→Adenylate→Xanthine→hypoxanthine→Uric acid (B) Guanylate→inosinate→Xanthine→hypoxanthine→Uric acid (C) Adenylate→Inosinate→Xanthine hypoxanthine→Uric acid (D) Adenylate→Inosinate→hypoxanthine Xanthine→Uric acid

Description : Which pathway is correct for catabolism of purines to form uric acid? (A) Guanylate→Adenylate→Xanthine→hypoxanthine→Uric acid (B) Guanylate→inosinate→Xanthine→hypoxanthine→Uric acid (C) Adenylate→Inosinate→Xanthine hypoxanthine→Uric acid (D) Adenylate→Inosinate→hypoxanthine Xanthine→Uric acid

Last Answer : Answer : D

The correct sequence of the reactions of catabolism of adenosine to uric acid is (A) Adenosine→hypoxanthine→xanthine→uric acid (B) Adenosine→xanthine→inosine→uric acid (C) Adenosine→inosine→hypoxanthine→ xanthine uric acid (D) Adenosine→xanthine→inosine→hypoxanthine uric acid

Description : The correct sequence of the reactions of catabolism of adenosine to uric acid is (A) Adenosine→hypoxanthine→xanthine→uric acid (B) Adenosine→xanthine→inosine→uric acid (C) Adenosine→inosine→hypoxanthine→ xanthine uric acid (D) Adenosine→xanthine→inosine→hypoxanthine uric acid

Last Answer : Answer : C

The enzyme common to catabolism of all the purines is (A) Adenosine deaminase (B) Purine nucleoside phosphorylase (C) Guanase (D) None of these

Description : The enzyme common to catabolism of all the purines is (A) Adenosine deaminase (B) Purine nucleoside phosphorylase (C) Guanase (D) None of these

Last Answer : Answer : B

Gout is a metabolic disorder of catabolism of (A) Pyrimidine (B) Purine (C) Alanine (D) Phenylalanine

Description : Gout is a metabolic disorder of catabolism of (A) Pyrimidine (B) Purine (C) Alanine (D) Phenylalanine

Last Answer : Answer : B

In inherited deficiency of hypoxanthine guanine phosphoribosyl transferase (A) De novo synthesis of purine nucleotides is decreased (B) Salvage of purines is decreased (C) Salvage of purines is increased (D) Synthesis of uric acid is decreased

Description : In inherited deficiency of hypoxanthine guanine phosphoribosyl transferase (A) De novo synthesis of purine nucleotides is decreased (B) Salvage of purines is decreased (C) Salvage of purines is increased (D) Synthesis of uric acid is decreased

Last Answer : Answer : B

In humans purine are catabolised to uric acid due to lack of the enzyme: (A) Urease (B) Uricase (C) Xanthine oxidase (D) Guanase

Description : In humans purine are catabolised to uric acid due to lack of the enzyme: (A) Urease (B) Uricase (C) Xanthine oxidase (D) Guanase

Last Answer : Answer : B

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

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.

Two examples in which the nitrogenous wastes are excreted from body in the form of uric acid are (a) birds and lizards (b) frogs and cartilaginous fish (c) insects and bony fish (d) mammals and molluscs.

Description : Two examples in which the nitrogenous wastes are excreted from body in the form of uric acid are (a) birds and lizards (b) frogs and cartilaginous fish (c) insects and bony fish (d) mammals and molluscs.

Last Answer : (a) birds and lizards

Assertion: Uric acid is produced by the metabolism of purine and pyrimidine. Reason: Uric acid has high toxicity and is soluble in water.

Description : Assertion: Uric acid is produced by the metabolism of purine and pyrimidine. Reason: Uric acid has high toxicity and is soluble in water.

Last Answer : Assertion: Uric acid is produced by the metabolism of purine and pyrimidine. Reason: Uric acid has ... D. If both Assertion and Reason are false

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

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

Uric acid is the catabolic end product of (A) Porphyrine (B) Purines (C) Pyrimidines (D) Pyridoxine

Description : Uric acid is the catabolic end product of (A) Porphyrine (B) Purines (C) Pyrimidines (D) Pyridoxine

Last Answer : Answer : A

Non-protein nitrogenous substances in blood include all of the following except (A) Urea (B) Uric acid (C) Creatinine (D) Inositol

Description : Non-protein nitrogenous substances in blood include all of the following except (A) Urea (B) Uric acid (C) Creatinine (D) Inositol

Last Answer : Answer : C

The hydrogen bonds between peptide linkages of a protein molecules are interfered by (A) Guanidine (B) Uric acid (C) Oxalic acid (D) Salicylic acid

Description : The hydrogen bonds between peptide linkages of a protein molecules are interfered by (A) Guanidine (B) Uric acid (C) Oxalic acid (D) Salicylic acid

Last Answer : Answer : A

Uric acid is the chief nitrogenous wastes in – (1) Frogs (2) Birds (3) Fishes (4) Mankind

Description : Uric acid is the chief nitrogenous wastes in – (1) Frogs (2) Birds (3) Fishes (4) Mankind

Last Answer : (2) Birds Explanation: Land snails, insects, birds, and some reptiles excrete uric acid as the major nitrogenous waste. The white, crystalline substance seen in a typical bird or lizard "poop" is actually urine: a little pool of uric acid crystals in a very small amount of water.

Uric acid is the chief nitrogenous wastes in (1) Frogs (2) Birds (3) Fishes (4) Mankind

Description : Uric acid is the chief nitrogenous wastes in (1) Frogs (2) Birds (3) Fishes (4) Mankind

Last Answer : Birds

In humans, the principal metabolic product of pyrimidines is (A) Uric acid (B) Allantoin (C) Hypoxanthine (D) β-alanine

Description : In humans, the principal metabolic product of pyrimidines is (A) Uric acid (B) Allantoin (C) Hypoxanthine (D) β-alanine

Last Answer : Answer : D

In humans, the principal break down product of purines is (A) NH3 (B) Allantin (C) Alanine (D) Uric acid

Description : In humans, the principal break down product of purines is (A) NH3 (B) Allantin (C) Alanine (D) Uric acid

Last Answer : Answer : D

The major catabolic product of pyrimidines in human is (A) β-Alanine (B) Urea (C) Uric acid (D) Guanine

Description : The major catabolic product of pyrimidines in human is (A) β-Alanine (B) Urea (C) Uric acid (D) Guanine

Last Answer : Answer : A

An enzyme involved in catabolism of catecholamines is (A) Dopa decarboxylase (B) Aromatic amino acid decarboxylase (C) Monoamine oxidase (D) Catechol oxidas

Description : An enzyme involved in catabolism of catecholamines is (A) Dopa decarboxylase (B) Aromatic amino acid decarboxylase (C) Monoamine oxidase (D) Catechol oxidas

Last Answer : Answer : C

The most important intervention in the nutritional support of a patient with a burn injury is to provide adequate nutrition and calories to: a) decrease catabolism. The most important intervention in the nutritional support of a patient with a burn injury is to provide adequate nutrition and calories to decrease catabolism. Nutritional support with optimized protein intake can decrease the protein losses by approximately 50%.

Description : The most important intervention in the nutritional support of a patient with a burn injury is to provide adequate nutrition and calories to: a) decrease catabolism. The most important intervention ... the energy source is seen after a burn injury; interventions are instituted to decrease catabolism.

Last Answer : a) decrease catabolism. The most important intervention in the nutritional support of a patient with a burn injury is to provide adequate nutrition and calories to decrease catabolism. Nutritional support with optimized protein intake can decrease the protein losses by approximately 50%.

Reduce Uric Acid Through a Low Protein Diet ?

Description : Reduce Uric Acid Through a Low Protein Diet ?

Last Answer : During digestion the human body breaks down purines, a compound present in protein sources, such as meat, seafood, and poultry. Purines must be broken down to release proteins and other ... the bloodstream. Following these guidelines with doctor supervision should help lower levels of uric acid.

Excretion in the form of uric and urates in birds is helpful in

Description : Excretion in the form of uric and urates in birds is helpful in

Last Answer : Excretion in the form of uric and urates in birds is helpful in A. Conserving body heat B. ... C. Conserving body water D. Eliminating body water

The end product of protein digestion in G.I.T. is (A) Dipeptide (B) Tripeptide (C) Polypeptide (D) Amino acid

Description : The end product of protein digestion in G.I.T. is (A) Dipeptide (B) Tripeptide (C) Polypeptide (D) Amino acid

Last Answer : Answer : D

Folic acid or folate consists of the (A) Base pteridine, p-amino benzoic acid and asparate (B) Base purine, p-amino benzoic acid and glutamate (C) Base pteridine, p-amino benzoic acid and glutamate (D) Base purine, p-hydroxy benzoic acid and glutamate

Description : Folic acid or folate consists of the (A) Base pteridine, p-amino benzoic acid and asparate (B) Base purine, p-amino benzoic acid and glutamate (C) Base pteridine, p-amino benzoic acid and glutamate (D) Base purine, p-hydroxy benzoic acid and glutamate

Last Answer : Answer : C

The action of aspirin that results in its greater efficacy as an antithrombotic (anti-platelet) drug is its ability to (a) Inhibit lipoxygenase as well as cyclooxygenase (b) Selectively inhibit cyclooxygenase I (c) Inhibit leukocyte migration (d) Promote uric acid excretion (e) Acetylate cyclooxygenase

Description : The action of aspirin that results in its greater efficacy as an antithrombotic (anti-platelet) drug is its ability to (a) Inhibit lipoxygenase as well as cyclooxygenase (b) Selectively inhibit ... I (c) Inhibit leukocyte migration (d) Promote uric acid excretion (e) Acetylate cyclooxygenase

Last Answer : Ans: E

Catabolism of thymidylate gives (A) α-alanine (B) β-alanine (C) α-aminoisobutyrate (D) β-aminoisobutyrate

Description : Catabolism of thymidylate gives (A) α-alanine (B) β-alanine (C) α-aminoisobutyrate (D) β-aminoisobutyrate

Last Answer : Answer : D

The following coenzyme is required for catabolism of pyrimidine bases: (A) NADH (B) NADPH (C) FADH2 (D) None of these

Description : The following coenzyme is required for catabolism of pyrimidine bases: (A) NADH (B) NADPH (C) FADH2 (D) None of these

Last Answer : Answer : B

β -Alanine is formed from catabolism of (A) Thymine (B) Thymine and cytosine (C) Thymine and uracil (D) Cytosine and uracil

Description : β -Alanine is formed from catabolism of (A) Thymine (B) Thymine and cytosine (C) Thymine and uracil (D) Cytosine and uracil

Last Answer : Answer : D

Free ammonia is liberated during the catabolism of (A) Cytosine (B) Uracil (C) Thymine (D) All of these

Description : Free ammonia is liberated during the catabolism of (A) Cytosine (B) Uracil (C) Thymine (D) All of these

Last Answer : Answer : D

β -Aminoisobytyrate is formed from catabolism of (A) Cytosine (B) Uracil (C) Thymine (D) Xanthine

Description : β -Aminoisobytyrate is formed from catabolism of (A) Cytosine (B) Uracil (C) Thymine (D) Xanthine

Last Answer : Answer : C

Coenzyme A is required for catabolism of (A) Leucine (B) Isoleucine (C) Valine (D) All of these

Description : Coenzyme A is required for catabolism of (A) Leucine (B) Isoleucine (C) Valine (D) All of these

Last Answer : Answer : D

Degradation of proteins to amino acids, glucose from carbohydrates and fatty acids from lipids is known as (A) Anabolism (B) Metabolism (C) Catabolism (D) Cretinism

Description : Degradation of proteins to amino acids, glucose from carbohydrates and fatty acids from lipids is known as (A) Anabolism (B) Metabolism (C) Catabolism (D) Cretinism

Last Answer : Answer : C

Sulphur containing amino acids after catabolism produces a substance which is excreted: (A) SO2 (B) HNO3 (C) H2SO4 (D) H3PO4

Description : Sulphur containing amino acids after catabolism produces a substance which is excreted: (A) SO2 (B) HNO3 (C) H2SO4 (D) H3PO4

Last Answer : Answer : C

Free ammonia is released during (A) Oxidative deamination of glutamate (B) Catabolism of purines (C) Catabolism of pyrimidines (D) All of these

Description : Free ammonia is released during (A) Oxidative deamination of glutamate (B) Catabolism of purines (C) Catabolism of pyrimidines (D) All of these

Last Answer : Answer : D

The degradative Processess are categorized under the heading of (A) Anabolism (B) Catabolism (C) Metabolism (D) None of the above

Description : The degradative Processess are categorized under the heading of (A) Anabolism (B) Catabolism (C) Metabolism (D) None of the above

Last Answer : B

Uric acid is the chief nitrogenous component of the excretory products of (a) earthworm (b) cockroach (c) frog (d) man.

Description : Uric acid is the chief nitrogenous component of the excretory products of (a) earthworm (b) cockroach (c) frog (d) man.

Last Answer : (b) cockroach

Antibacterial agents can be classified with regard to their structure, mechanism of action, and activity pattern against various types of bacterial pathogens. Which of the following statement(s) is/are true concerning antimicrobial classes? a. Penicillins and cephalosporins share the compound structure of a b-lactam ring which binds to bacterial division plate proteins b. Tetracyclines and macrolides such as erythromycin inhibit bacterial ribosomal activity and therefore protein synthesis c. Aminoglycosides act in a similar fashion to tetracyclines and therefore are both bacteriostatic d. Sulfonamides and trimethoprim act synergistically to inhibit purine synthesis

Description : Antibacterial agents can be classified with regard to their structure, mechanism of action, and activity pattern against various types of bacterial pathogens. Which of the following ... are both bacteriostatic d. Sulfonamides and trimethoprim act synergistically to inhibit purine synthesis

Last Answer : Answer: a, b, d Penicillins, cephalosporins, and monobactams possess a b-lactam ring of some type and act to bind bacterial division plate proteins, thus inhibiting cell wall ... act in different mechanisms to inhibit protein synthesis, therefore two agents in combination act synergistically

Organic compound of small molecular size is (A) Urea (B) Uric acid (C) Creatinine (D) Phosphates

Description : Organic compound of small molecular size is (A) Urea (B) Uric acid (C) Creatinine (D) Phosphates

Last Answer : Answer : A

All are true about lesch-nyhan syndrome except (A) Produces self-mutilation (B) Genetic deficiency of the enzyme (C) Elevated levels of uric acid in blood (D) Inheritance is autosomal recessive

Description : All are true about lesch-nyhan syndrome except (A) Produces self-mutilation (B) Genetic deficiency of the enzyme (C) Elevated levels of uric acid in blood (D) Inheritance is autosomal recessive

Last Answer : Answer : B

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 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

Last Answer : Answer : A

The probable metabolic defect in gents is (A) A defect in excretion of uric acid by kidney (B) An overproduction of pyrimidines (C) An overproduction of uric acid (D) Rise in calcium leading to deposition of calcium urate

Description : The probable metabolic defect in gents is (A) A defect in excretion of uric acid by kidney (B) An overproduction of pyrimidines (C) An overproduction of uric acid (D) Rise in calcium leading to deposition of calcium urate

Last Answer : Answer : C

Insoinic acid is the biological precursor of (A) Cytosine and Uric acid (B) Adenylve acid and Glucine floc acid (C) Orotic acid and Uridylic acid (D) Adenosine acid Thymidine

Description : Insoinic acid is the biological precursor of (A) Cytosine and Uric acid (B) Adenylve acid and Glucine floc acid (C) Orotic acid and Uridylic acid (D) Adenosine acid Thymidine

Last Answer : Answer : B

A drug which prevents uric acid synthesis by inhibiting the enzyme Xanthine oxidase is (A) Aspirin (B) Allopurinal (C) Colchicine (D) Phenyl benzoate

Description : A drug which prevents uric acid synthesis by inhibiting the enzyme Xanthine oxidase is (A) Aspirin (B) Allopurinal (C) Colchicine (D) Phenyl benzoate

Last Answer : Answer : B

All of the following can occur in LeschNyhan syndrome except (A) Gouty arthritis (B) Uric acid stones (C) Retarted growth (D) Self-mutiliating behaviour

Description : All of the following can occur in LeschNyhan syndrome except (A) Gouty arthritis (B) Uric acid stones (C) Retarted growth (D) Self-mutiliating behaviour

Last Answer : Answer : C

Complete absence of hypoxanthine guanine phospharibosyl transferase causes (A) Primary gout (B) Immunodeficiency (C) Uric acid stones (D) Lesh-Nyhan syndrome

Description : Complete absence of hypoxanthine guanine phospharibosyl transferase causes (A) Primary gout (B) Immunodeficiency (C) Uric acid stones (D) Lesh-Nyhan syndrome

Last Answer : Answer : D

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 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

Last Answer : Answer : A