2 Intro To Urinalysis Flashcards

1
Q

the beginning of laboratory medicine.

A

Analyzing urine

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2
Q

Analyzing urine was the beginning of

A

Laboratory medicine

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3
Q

References to the study of urine can be found in (2)

A

drawings of cavemen
Egyptian hieroglyphics

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4
Q

Basic observation of urine

A

color
turbidity
odor
volume
viscosity
sweetness

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5
Q

He wrote a book on “uroscopy.”

A

Hippocrates

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6
Q

Hippocrates wrote a book on

A

Uroscopy

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7
Q

Year when Hippocrates wrote a book on uroscopy

A

5th Century BC

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8
Q

This had been developed describing the significance of 20 different color of urine

A

Color charts

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9
Q

color charts had been developed that described the significance of _____

A

20 different colors

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10
Q

Year when color charts was developed

A

1140 CE

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11
Q

He discovered albuminuria by boiling urine

A

Frederick Dekkers

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12
Q

Frederick Dekkers discovered ____

A

Albuminuria

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13
Q

How did Frederick Dekkers discovered albuminuria

A

He boiled the urine

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14
Q

He developed methods of quantitating microscopic sediments

A

Thomas Addis

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15
Q

Year when Thomas Addis developed quantitative methods on microscopic sediments

A

1925

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16
Q

Thomas Addis developed methods of quantitating what

A

Microscopic sediments

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17
Q

test used to diagnose kidney and urologic diseases by quantitatively counting red blood cells, white blood cells, epithelial cells, and circumferences using a 12 hour urine

A

Addis count

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18
Q

Addis count uses what type of spx

A

12 hour urine

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19
Q

He introduced the concept of urinalysis as part of a doctor’s routine px examination

A

Robert Bright

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20
Q

He wrote a book inspiring the england people to pass the first medical licensure law

A

Thomas Bryant

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21
Q

Daily urine output

A

1200 mL

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22
Q

Ultrafiltrate of plasma

A

Urine

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23
Q

Composition of the urine

A

95% water
5% solute

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24
Q

Organic components found in the urine

A

Urea, creatinine, uric acid

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25
Q

Inorganic components found in urine

A

Chloride
Sodium
Potassium
Phosphate
Ammonium
Calcium

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26
Q

Major inorganic component found in urine

A

Chloride

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27
Q

Cells, casts, crystals, mucus, bacterias are known as

A

Formed elements

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28
Q

This depends on the amount of water the kidney excrete

A

Urine volume

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29
Q

Urine volume depends on the amount of ____ the kidney excrete

A

Water

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30
Q

Average range of urine output

A

600-2000 mL

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31
Q

Urine volume is affected by

A

Fluid intake
Fluid loss from non renal sources
ADH secretion
Increased amount of dissolved solids

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32
Q

Decrease in urine output

33
Q

Oliguria

____ in children
____ in adults

A

< 0.5 mL/kg/hr in children
<400 mL in adults

34
Q

Cessation of urine flow

35
Q

Increase in the nocturnal excretion of urine

36
Q

Increase in daily urine volume

37
Q

Polyuria

____ in children
____ in adult

A

> 2.5 to 3mL/kg/day in children
2.5L/day in adult

38
Q

What type of diabetes

Low specific gravity

A

Diabetes insipidus

39
Q

Frequent fluid intake

A

Polydipsia

40
Q

Recommended capacity of urine container

41
Q

Volume of spx used for analysis

42
Q

Urine container that contains a needle with a straw attachment

A

BD vacutainer urine collection device

43
Q

If there will be a delay, the spx should be refrigerated at ___ C

44
Q

Ways to handle a spx if there will be a delay with testing

A

Ref
Chemical preservatives

45
Q

Urine preservative

Prevents bacterial growth

A

Refrigeration

46
Q

Disadvantage of refrigerating spx

A

Precipitation of amorphous phosphates and urates

47
Q

Best preservative for cultured spx

A

Boric acid / acid

48
Q

Urine preservative

Excellent sediment preservative

49
Q

Urine preservative

Used for formed elements

50
Q

Urine preservative

Acts as a reducing agent

51
Q

Urine preservative

Good for drug analysis

A

Sodium fluoride

52
Q

Urine preservative

Inhibits reagent strip test for glucose, blood, and leukocyte

A

Sodium fluoride

53
Q

Sodium fluoride inhibits reagent strip test for

A

Glucose, blood, leukocyte

54
Q

Urine preservative

Convenient when refrigeration is not possible

A

Commercial preservative tablet

55
Q

Color is modified or darkened due to

A

Oxidation or reduction of metabolites

56
Q

Analyte that has been modified or darkened due to oxidation or reduction of metabolites

57
Q

This is decreased due to bacterial growth and precipitation of amorphous material

58
Q

Increased ammonia smell is due to

A

Bacterial multiplication of urease positive bacteria

59
Q

pH is ___ thru time

60
Q

This analyte is decreased due to volatilization and bacterial metabolism

61
Q

First morning urine is also known as

A

8 hour urine sample

62
Q

Ideal screening spx

A

First morning spx

63
Q

First morning spx is acidic or basic in nature

64
Q

Spx used for evaluating orthostatic proteinuria

A

First morning spx

65
Q

Principle of timed spx

A

Begin and end w/ an empty bladder

66
Q

Timed spx for creatinine

A

24 hour urine

67
Q

What spx is used for addis count

A

12 hour urine

68
Q

Spx used to test urea

A

2 hour urine

69
Q

Spx used to test amylase

A

2 hour urine AM

70
Q

Spx used to test urobilinogen

A

2 hour urine PM

71
Q

Spx used to test nitrite

A

4 hour urine

72
Q

Analyte tested using 24 hour urine

A

Creatinine

73
Q

What is tested using 12 hour urine

A

Addis count

74
Q

Analyte tested using 2 hour morning urine

75
Q

Analyte tested using 2 hour PM urine

A

Urobilinogen

76
Q

Analyte tested using 4 hour urine

77
Q

It is the most vulnerable part of drug testing

A

Urine collection

78
Q

Normal color of urine