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AUBF > Regeant Strips Reading Parameter > Flashcards

Regeant Strips Reading Parameter Flashcards

(61 cards)

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1
Q

Glucose: Time

A

30 secs

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2
Q

Glucose: Principle

A

Double Sequential Enzyme Reaction

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3
Q

Glucose: Positive Color

A

Green to Brown

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4
Q

Bilirubin: Time

A

30 secs

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5
Q

Bilirubin: Principle

A

Diazo Reaction

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6
Q

Bilirubin: Positive Color

A

Tan or Pink to Violet

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7
Q

Ketones: Time

A

40 secs

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8
Q

Ketones: Principle

A

Sodium Nitroprusside Rx

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9
Q

Ketones: Positive Color

A

Purple

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10
Q

Specific Gravity: Time

A

45 secs

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11
Q

Specific Gravity: Principle

A

pKa change of polyelectrolyte

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12
Q

Specific Gravity: Positive Color

A

Blue (SG 1.000) to Yellow (SG 1.030)

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13
Q

Protein: Time

A

60 secs

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14
Q

Protein: Principle

A

Protein Error of Indicators

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15
Q

Protein: Positive Color

A

Blue

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16
Q

pH: Time

A

60 secs

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17
Q

pH: Principle

A

Double Indicator System

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18
Q

pH: Positive Color

A

Orange to Blue

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19
Q

Blood: Time

A

60 secs

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20
Q

Blood: Principle

A

Pseudoperoxidase Activity of Hemoglobin

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21
Q

Blood: Positive Color

A

Uniform green/blue/speckled/spotted

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22
Q

Urobilinogen: Time

A

60 secs

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23
Q

Urobilinogen: Principle

A

Ehrlich Reaction

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24
Q

Urobilinogen: Positive Color

A

Red

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25
Nitrite: Time
60 secs
26
Nitrite: Principle
Greiss Reaction
27
Nitrite: Positive Color
Uniform Pink
28
Leukocyte: Time
120 secs
29
Leukocyte: Principle
Leukocyte Esterase
30
Leukocyte: Positive Color
Purple
31
Leukocyte: False Positive
Strong oxidizing agents formalin highly pigmented urine nitrofurantoin
32
Leukocyte: False Negative
High concentration of protein glucose oxalic acid ascorbic acid gentamicin cephalosporins tetracyclines
33
Nitrite: False Positive
Improperly preserved specimens, highly pigmented urine
34
Nitrite: False Negative
Ascorbic Acid Bacteria do not reduce nitrate Bladder time not sufficient: need 4 hrs Large quantities of bacteria converting nitrite to nitrogen
35
Urobilinogen: False Positive
C-highly pigmented urine M- porphobilinogen, indican, p-aminosalicyclic acid, sulfonamides, methyldopa, procaine, chlorpromazine, highly pigmented urine
36
Urobilinogen: False Negative
C- old specimens, preservation in formalin, high concentration of nitrite M- old specimens, preservation in formalin
37
Bilirubin: False Positive
Highly pigmented urines phenazopyridine indican metabolites of Iodine
38
Bilirubin: False Negative
Specimen exposure to light ascorbic acid >25 mg/dL high concentrated urine (presence of ascorbic acid)
39
Blood: False Positive
Strong oxidizing agents bacterial peroxidases menstrual contamination
40
Blood: False Negative
High specific gravity/crenated cells high concentration of nitrite formalin captopril ascorbic acid >25 md/dL
41
Protein: False Positive
Highly buffered alkaline urine (urine ph>9.0) high specific gravity
42
Protein: False Negative
Dilute urine Proteins and other albumin present
43
Glucose: False Positive
oxidizing agents, detergents
44
Glucose: False Negative
high levels of ascorbic acid low temperature improperly preserved urine high specific gravity
45
Ketones: False Positive
Phthalein dyes highly pigmented red urine levodopa Medications containing free sulfhydryl groups (MESNA)
46
Ketones: False Negative
Improperly preserved specimens
47
Specific Gravity: False Positive
High concentrations of proteins because of protein anions
48
Specific Gravity: False Negative
Highly alkaline urine (>6.5) - Add 0.005 to S.G readings
49
pH: False Positive
None
50
pH: False Negative
Runover from the adjacent CHON pad may lower pH
51
ASCORBIC ACID causes FALSE NEGATIVE on:
B - blood B - bilirubin L - leukocyte esterase N - nitrite G - glucose
52
Bence-Jones Protein
Multiple myoloma
53
SSA (Sulfosalicylic Acid Precipitation Test)
Detects all proteins
54
Reagent Strip: Detects only what sugar?
Glucose
55
Detects reducing sugars
Copper Reduction Test
56
Blondheim's test
Blood
57
Ketones: confirmatory test
Acetest
58
Bilirubin: Confirmatory test
Ictotest
59
Test that differentiates hemoglobinuria and myoglobinuria
Blondheim's Test
60
A test for albumin
Heat and Acetic Acid
61
Test that differentiate urobilinogen
Watsons-Schwartz Test

AUBF (3 decks)

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