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CRYSTALS
  • Jef Marc Valencia

  • 問題数 74 • 3/8/2025

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    問題一覧

  • 1

    Term refering to presence of crystals in urine

    CRYSTALLURIA

  • 2

    Formed by precipitation of urinary solutes

    URINE CRYSTAL

  • 3

    Urine crystals are formed by precipitation of urinary solutes such as

    ORGANIC COMPOUND, SALT, MEDICATION

  • 4

    Factors that contribute to crystal formation

    TEMPERATURE, SOLUTE CONCENTRATION, pH, URINE FLOW RATE

  • 5

    Appears as white crystals due to temperature

    AMORPHOUS PHOSPHATE

  • 6

    Appears as pink crystals due to temperature

    AMORPHOUS URATE

  • 7

    Inorganic compounds are less soluble in what solution

    ALKALINE

  • 8

    Organic compounds are less soluble in what solution

    ACIDIC

  • 9

    Normal crystals manner of reporting

    SEMI QUANTITATIVE/HPF

  • 10

    Abnormal crystals manner of reporting

    AVERAGE/LPF

  • 11

    Crystal form due to the precipitation of urine salts that appears as brick dust or small yellow brown granules resembling sand commonly seen in refrigerated specimen

    AMORPHOUS URATE

  • 12

    Specific ph where amorphous urate crystals commonly seen

    >5.5

  • 13

    Ways to dissolve amorphous urate crystal

    ROOM TEMPERATURE, ACETIC ACID

  • 14

    Crystals seen in acidic urine that form due to increase in food rich in oxalic acid

    CALCIUM OXALATE

  • 15

    Formation of calcium oxalate in the renal calculi

    CLUMP

  • 16

    Two forms of calcium oxalate crystals

    DIHYDRATE, MONOHYDRATE

  • 17

    Most c'mon form of calcium oxalate crystal also known as__which is colorless octahedral envelope or as two pyramids joined at their bases

    DIHYDRATE, WHEDDELITE

  • 18

    A form of calcium oxalate crystal also known as___ which is oval or dumbbell shape

    MONOHYDRATE, WHEWELLITE

  • 19

    These are sweet and tempting substance in which causes calcium oxalate monohydrate crystals in urine when taken

    ETHYLENE GLYCOL, ANTIFREEZE

  • 20

    Calcium oxalate crystals are commonly seen in urine when there is an increase of food intake rich in oxalic acid like

    TOMATO, ASPARAGUS, ASCORBIC ACID

  • 21

    DIHYDRATE, WHEDDELITE

  • 22

    MONOHYDRATE, WHEWELLITE

  • 23

    Urine crystals which appears as cigarette but in appearance

    CALCIUM SULFATE

  • 24

    Urine crystals which appears as yellow brown or colorless elongated prisms

    HIPPURIC ACID

  • 25

    HIPPURIC ACID

  • 26

    Pleomorphic crystals (rhombic four sided flat plates (whetstone), wedges, and rosettes,) Yellow-brown or colorless crystals c'mon in gout

    URIC ACID

  • 27

    Increased amount of uric acid crystal is seen in

    INCREASED LEVEL OF PURINE AND NUCLEIC ACID, LEUKEMIA PATIENT RECEIVING CHEMOTHERAPY, LESCH NYHAN SYNDROME, GOUT

  • 28

    Condition in which uric acid appears as orange sand in diapers

    LESCH NYHAN SYNDROME

  • 29

    URIC ACID IN LESCH NYHAN SYNDROME

  • 30

    URIC ACID

  • 31

    Refractivity index of uric acid

    BIREFRINGENT

  • 32

    Preferred microscope of viewing uric acid

    POLARIZING

  • 33

    Large granules and may have spicules which resembles ammonium biurate in alkaline solution

    ACID URATE

  • 34

    Slender prisms arranged in fan or sheaf like structures that is common in gout

    SODIUM URATE

  • 35

    Shape of sodium urate crystals in synovial fluid

    NEEDLE

  • 36

    Granular Sand like crystals which is commonly seen in alkaline refrigerated urine samples. White precipitate

    AMORPHOUS PHOSPHATE

  • 37

    AMORPHOUS PHOSPHATE

  • 38

    Yellow brown turny apple crystals seen in old specimen in which also can be associated with urea splitting bacteria and inadequate hydration

    AMMONIUM BIURATE

  • 39

    Refractivity index of ammonium biurate crystals

    BIREFRINGENT

  • 40

    Ammonium biurate crystals are dissolved in

    ACETIC ACID HEATED TO 60C

  • 41

    Colorless flat rectangular plates or thin prisms often in roset formations resembling sulfonamide crystals which is the common constituent of renal stones and calculi

    CALCIUM PHOSPHATE, APATITE

  • 42

    Two forms of calcium phosphate crystal

    HYDROXYAPATITE, BRUSHITE

  • 43

    Distinguishing characteristics of sulfonamide crystal against calcium phosphate crystal

    NOT DISSOLVED IN DILUTE ACETIC ACID

  • 44

    Basic calcium phosphate crystal which appears as wedge like or colorless

    HYDROXYAPATITE

  • 45

    Calcium hydrogen phosphate crystal which appears as irregular granular or flat shape

    BRUSHITE

  • 46

    CALCIUM PHOSPHATE, BRUSHITE

  • 47

    Also known as____which appears as colorless prism shape or coffin lead and appears as a fern leaf when they disintegrate and can be associated with uti and constituent of renal calculi

    STRUVITE, AMMONIUM MAGNESIUM PHOSPHATE, TRIPLE PHOSPHATE

  • 48

    Small colorless dumbbell shape sometimes granular crystal seen in alkaline urine

    CALCIUM CARBONATE

  • 49

    The distinguishing characteristics of calcium carbonate after the addition of acetic acid

    EFFERVESCENCE

  • 50

    Rectangular plates with notched edges or staircase pattern crystals commonly seen in nephrotic syndrome

    CHOLESTEROL

  • 51

    Urine sediments commonly seen in nephrotic syndrome or lipiduria

    OVAL FAT BODY, FATTY CAST, CHOLESTEROL CRYSTAL

  • 52

    Cholesterol crystals are soluble in

    CHLOROFORM, ETHER

  • 53

    CHOLESTEROL

  • 54

    Crystal associated with liver diseases

    LEUCINE, TYROSINE, BILIRUBIN

  • 55

    Fine colorless to yellow needles that frequently form clamps or sets crystals associated w/ liver disease commonly seen in inherited disorders of amino acid metabolism

    TYROSINE

  • 56

    Tyrosine crystals are usually seen in conjunction____in specimens with chemical test results positive for_____

    LEUCINE CRYSTAL, BILIRUBIN

  • 57

    Oily looking yellow brown spears with concentric circles and radial stations crystal associated with liver disease

    LEUCINE

  • 58

    Clump needles or granules with the characteristic yellow color of bilirubin crystal associated with liver disease

    BILIRUBIN

  • 59

    TYROSINE

  • 60

    LEUCINE

  • 61

    BILIRUBIN

  • 62

    Crystals formed due to high concentration of solutes or reagent that could cause precipitation of solutes and it is commonly seen during medical treatment

    IATROGENIC ORIGIN

  • 63

    Colorless to yellow brown needles resembling 'sheaves of wheat' could also form in rosettes, arrowheads, petals, or round, seen in possible tubular damage and mistaken as calcium phosphate crystal

    SULFONAMIDE

  • 64

    Test used to differentiate sulfonamide from calcium phosphate crystal

    LIGNIN TEST

  • 65

    Reagent used in lignin test

    25% HCL

  • 66

    Positive result of lignin test

    YELLOW DIAZO REACTION

  • 67

    Colorless needles that form bundles after refrigeration caused by the precipitation of antibiotics following massive doses without adequate hydration

    AMPICILLIN

  • 68

    Slender feather like crystals that is due to antiviral drugs or indinavir

    INDINAVIR

  • 69

    Colorless hexagonal plates mistakenly as uric acid crystal due to cystinuria and cystinosis

    CYSTINE

  • 70

    A metabolic disorder that prevents reabsorption of system by the renal tubules

    CYSTINURIA

  • 71

    Disorder due to the accumulation of cystine in cells

    CYSTINOSIS

  • 72

    Select all Normal Crystals in Acidic Urine

    AMORPHOUS URATE, CALCIUM OXALATE, CALCIUM SULFATE, HIPPURIC ACID, URIC ACID, ACID URATE, SODIUM URATE

  • 73

    Select all Normal Crystals in Alkaline Urine

    AMORPHOUS PHOSPHATE, AMMONIUM BIURATE, CALCIUM PHOSPHATE, TRIPLE PHOSPHATE, CALCIUM CARBONATE

  • 74

    Select all AbNormal Crystals in Urine

    CHOLESTEROL, SULFONAMIDE, AMPICILLIN