PRML133: Urine and Body Fluids Analysis
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Questions and Answers

What is the condition also known as, according to the description?

  • Alkaptonuria
  • Melanosis
  • Tyrosinosis (correct)
  • Para Hydroxy Phenylpyvuric acidosis
  • What is the effect of exposure to air on urine in Alkaptonuria?

  • Urine darkens (correct)
  • Urine turns yellow
  • Urine remains unchanged
  • Urine turns green
  • What is the underlying cause of Alkaptonuria?

  • Normal proliferation of Melanocytes
  • Under proliferation of Melanocytes
  • Over proliferation of Melanocytes (correct)
  • No relation to Melanocytes
  • What is found in excess in Alkaptonuria?

    <p>Para Hydroxy Phenylpyvuric acid</p> Signup and view all the answers

    What is found in decreased amounts in Alkaptonuria?

    <p>Para Hydroxy Phenyl Lactic Acid</p> Signup and view all the answers

    What is the characteristic color of Triamterene calculi stones?

    <p>Mustard colored</p> Signup and view all the answers

    Which type of calculi is associated with a genetic disorder with an absence of xanthine oxidase?

    <p>Xanthine calculi</p> Signup and view all the answers

    What is the characteristic hardness of Sulfonamide calculi?

    <p>Moderately hard</p> Signup and view all the answers

    What is the possible cause of Silica calculi?

    <p>Ingestion of Silica over a long period of time</p> Signup and view all the answers

    What is the characteristic associated with Adenine calculi?

    <p>Inherited enzyme deficiency</p> Signup and view all the answers

    What causes the accumulation of certain amino acids in blood plasma?

    <p>Lack of the corresponding enzyme</p> Signup and view all the answers

    Which compound is yellow-brown in color according to the text?

    <p>Uric acid</p> Signup and view all the answers

    In what type of substance is cystine soluble?

    <p>Dilute HCL</p> Signup and view all the answers

    What is a property of ammonia in the given context?

    <p>Colorless</p> Signup and view all the answers

    Why can't plasma amino acids be converted into their corresponding products in the blood circulation?

    <p>Due to the lack of appropriate enzymes</p> Signup and view all the answers

    What is the intermediate product formed when Homogentisic Acid is converted?

    <p>Maleyl acetic acid</p> Signup and view all the answers

    What type of pigmentation deposition is associated with Ochronosis?

    <p>Dark blue to brown</p> Signup and view all the answers

    Where does pigmentation deposition occur in Ochronosis?

    <p>Connective tissues and cartilages</p> Signup and view all the answers

    When can Ochronosis be clinically diagnosed?

    <p>Only after arthritis develops</p> Signup and view all the answers

    What condition is associated with pigmentation anomalies in connective tissues?

    <p>Ochronosis</p> Signup and view all the answers

    What test result indicates a positive for defective metabolism of homocystine?

    <p>Silver Nitroprusside Test</p> Signup and view all the answers

    What enzyme is lacking due to the genetic defect in homocystinuria?

    <p>Cystathionine B-synthase</p> Signup and view all the answers

    What would a positive Silver Nitroprusside Test result look like?

    <p>Red color</p> Signup and view all the answers

    Which metabolic product accumulates due to the defective metabolism described?

    <p>Homocystine</p> Signup and view all the answers

    Which disorder is characterized by a lack of Cystathionine B-synthase?

    <p>Homocystinuria</p> Signup and view all the answers

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