Macroscopic Examination: pH Flashcards

1
Q

Normal pH

A

4.5-8.0

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2
Q

First morning urine pH

A

Slightly alkaline
5.0-6.0

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3
Q

After meal pH

A

Alkaline

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4
Q

Acidic Urine

A

Emphysema
Diabetes Mellitus
Starvation
Dehydration
Diarrhea

Presence-Acid prod. Bacteria (E.coli)
High Protein Diet
Cranberry Juice
Medications

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5
Q

Alkaline Urine

A

Hyperventilation
Vomiting
Renal Tubular Acidosis

Presence of urease-producing bacteria
Vegetarian Diet
Old Specimens

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6
Q

pH Reagent Strip Principle

A

Double Indicator System

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7
Q

Reagent Strip:

Indicator

A

MR. BB

Methyl Red (Acidicity)
Bromthymol Blue (Alkalinity)

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8
Q

Reagent Strip:

Source of Error (pH)

A

Runover from adjacent pads

Old Specimens

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9
Q

Reagent Strip:

Remedy for Runover from adjacent pads (protein:acidic)

A

Blot HORIZONTALLY

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10
Q

Reagent Strip:

pH correlations

A

Leukocyte
Nitrite Microscopic

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