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UA > Day 4 > Flashcards

Day 4 Flashcards

1
Q

When must urine quality controls he performed? How many?

A

Each day patient testing occurs & when new reagent bottle is opened

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2
Q

Urine pH Is a reflection of what major function

A

Regulation of acid base content

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3
Q

What are pH indicators in the urine reagent strip? What causes each to react?

A

Methyl red- pH range of 4.4-6.2

Bromethyl blue- pH range of 6.0-7.6

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4
Q

What is the most indicative routine chemical test for kidney disease if detected early in the disease?

A

Urine protein

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5
Q

What is the primary protein found in urine

A

Albumin

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6
Q

What type of protein is detected in patients with multiple myeloma?

A

Serum (pre renal protein)

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7
Q

Explain one major cause of proteinuria

A

Abnormal amount of protein in your urine

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8
Q

What urine test us used to screen patients with diabetes in order to prevent damage to the kidneys

A

Microalbumin strip

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9
Q

What is the confirmatory test for protein

A

Sulfosalcylic acid SSA

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10
Q

What protein is missed on the reagent strip that can be detected on the confirmatory test?

A

Tubular proteins & Bence Jones protein

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11
Q

Glycosuria is commonly associated with what disease

A

Gestational diabetes

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12
Q

What is the back up/ confirmatory test for glucose?

A

Cliniest

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13
Q

Explain why a negative glucose dipstick but a positive back up/ confirmatory test is significant?

A

Clink test are not as sensitive as a dipstick so it could indicate an error w/ the dipstick

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14
Q

What does the presence of ketones in the urine indicate about the patient?

A

They maybe starving vomiting or weight reduction

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15
Q

What is the principle behind the urine reagent strip method for ketones

A

Acetoacetic acid reacts w/sodium’s nitroprusside to form a purple color

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16
Q

What is the back up test for ketones

A

Acetest

17
Q 
What tests(4) report out results like the following: 
“neg, trace, 1+,2+,3+,4+”
A

Protein
Glucose
Ketones
Bilirubin

18
Q 
What tests(2) report out results like the following: 
“neg, trace, 1+,2+,3+”
A

Blood

LE

19
Q

What test reports out results like the following:

“1,4,8,12mg/dl”

A

Urobilinogen

20
Q

What test reports out results like the following:

“neg or pos “

A

Nitrite

21
Q

______ ___________ bacteria reduce nitrate to nitrite

A

Gram negative

22
Q

________ at acid pH reacts with aromatic amine to form a ________ compound which reacts with 3-hydroxy-1,2,3,4-tetrahydobenz-(h)-quinolin to produce a pink color

A

Nitrite ; diazonium

23
Q

Nitrite is detected by the _____ reaction

A

Griess reaction

24
Q

What could a positive LE with no WBCs or bacteria in microscopic analysis be caused by?

A

Chlamydia spp.

Trichomonas spp.

25
Q

In LE , why is diazonium salt added to the reaction pad?

A

Reduces reaction time to 2 minutes

26
Q

What is another name for p-dimethylaminobenzaldehyde?

A

Erlich’s Reagent

27
Q

What reagent is utilized in Multistix?

A

Erlich’s reagent

28
Q

What methodology does Chemstrips use?

A

Diazo reaction where diazonium salt reacts with Urobilinogen in an ACID medium to produce a red color.

29
Q

What is the principle for the Ictotest?

A

Based on Diazo Reaction; much more sensitive that reagent strip

30
Q

What are 5 causes of hemoglobinuria?

A 
Hemolytic anemia
Transfusion reactions
Severe Burns
Infections
Strenuous exercise
31
Q

An oxygen binding protein found in cardiac and muscle tissue that reacts POSITIVELY with chemical test for blood

A

Myoglobin

32
Q

What is the enzyme in the urine reagent strip that test for blood

A

Hemoglobin

33
Q

What is the confirmatory test for bilirubin?

A

Ictotest

34
Q

What is the methodology behind the urine reagent strip test for bilirubin

A

Bilirubin combines with color changing chemical

35
Q

What reagent recuse with urobilingen on the urine reagent strip

A

Ehrlichs reagent

36
Q

Why is it possible to have positive leukocyte esterase result but not see WBCs in the microscope?

A

Chalymadia or T. Vag

37
Q

What is the methodology behind the urine reagent strip test for leukocyte esterase?

A

Diazo reactions

UA (5 decks)

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