MTAP 1 1st Semester Finals 2023
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Questions and Answers

What does a black color change in urine at room temperature indicate?

  • Squamous epithelial cells
  • Clorets (candy-like)
  • Pseudomonas infection
  • Inborn metabolism (correct)

    • What is the normal clarity of urine with respect to visibility of particulates?

  • Cloudy
  • Clear (correct)
  • Turbid
  • Hazy

    • What is the most abundant and largest in size among the normal findings of squamous epithelial cells?

  • Cleanliness (correct)
  • Mucus
  • Amorphous phosphates, carbonates, urates
  • Semen, spermatozoa

    • When are semen and spermatozoa reported in urine analysis?

    <p>Reported if present after intercourse/masturbation (B)</p> Signup and view all the answers

    What is the non-pathologic cause of turbidity in urine?

    <p>Amorphous phosphates, carbonates, urates (C)</p> Signup and view all the answers

    What is a distinguishing feature of Uric Acid crystals from Cystine Crystals?

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

    What is the macroscopic appearance of Amorphous Urates when refrigerated?

    <p>Orange-pink precipitate (brick-dust) (D)</p> Signup and view all the answers

    How can Calcium Phosphate crystals be distinguished from Sulfonamide Crystals?

    <p>Addition of dilute acetic acid (A)</p> Signup and view all the answers

    What is the appearance of Calcium Oxalate Monohydrate crystals?

    <p>Oval or Dumbbell shaped (B)</p> Signup and view all the answers

    Under what urine pH do Triple Phosphate crystals form?

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

    Flashcards

    Black color change in urine

    Indicates inborn metabolism issues.

    Normal clarity of urine

    Urine should be clear without visible particulates.

    Largest squamous epithelial cells

    Cleanliness is indicated by the size of these cells.

    Semen presence in urine

    Reported only after intercourse or masturbation.

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    Non-pathologic turbidity causes

    Caused by amorphous phosphates, carbonates, or urates.

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    Uric Acid vs. Cystine Crystals

    Uric Acid crystals are highly birefringent, unlike Cystine crystals.

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    Amorphous Urates appearance

    Forms a brick-dust orange-pink precipitate when refrigerated.

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    Calcium Phosphate vs. Sulfonamide Crystals

    Distinguished by adding dilute acetic acid.

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    Calcium Oxalate Monohydrate crystals

    Characterized by oval or dumbbell shapes.

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    Triple Phosphate crystals formation

    Form in alkaline urine pH.

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