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 (C)</p> Signup and view all the answers

What is found in decreased amounts in Alkaptonuria?

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

What is the characteristic color of Triamterene calculi stones?

<p>Mustard colored (B)</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 (A)</p> Signup and view all the answers

What is the characteristic hardness of Sulfonamide calculi?

<p>Moderately hard (D)</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 (A)</p> Signup and view all the answers

What is the characteristic associated with Adenine calculi?

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

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

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

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

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

In what type of substance is cystine soluble?

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

What is a property of ammonia in the given context?

<p>Colorless (C)</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 (C)</p> Signup and view all the answers

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

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

What type of pigmentation deposition is associated with Ochronosis?

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

Where does pigmentation deposition occur in Ochronosis?

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

When can Ochronosis be clinically diagnosed?

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

What condition is associated with pigmentation anomalies in connective tissues?

<p>Ochronosis (D)</p> Signup and view all the answers

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

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

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

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

What would a positive Silver Nitroprusside Test result look like?

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

Which metabolic product accumulates due to the defective metabolism described?

<p>Homocystine (B)</p> Signup and view all the answers

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

<p>Homocystinuria (B)</p> Signup and view all the answers

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