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Nishanth Medicine > Dipstick And Urine Osmolality > Flashcards

Dipstick And Urine Osmolality Flashcards

1
Q

Sample for urine ph

A

1st morning sample immediately

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2
Q

Urine pH

A

4.5-5.5 acidic

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3
Q

If urine ph >5.5

A

Collecting duct- NH4+

proximal convulayed tubule-bicarbonate reabsorbed

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4
Q

Early morning urine ph >5.5 for 3 consecutive days

A

Renal tubular acidosis

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5
Q

Which is the acidifying machnery Or kidney

A

Collecting duct

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6
Q

Renal tubular acidosis types

A

Type 1-collecting duct

Type 2- PCT

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7
Q

Normal urine osmolality

A

800-900 mosm/kg

Serum- 285-290( countercurreny exchange mechanism)

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8
Q

Countercurrent exchange mechanish major players

A

Medullary intersitium
Urea
ADH
vasa recta

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9
Q

Urine osmolality <500

A

ADH decrease or resistance (DI)
Cental DI 250

Tubules not working (nephrogenic DI)
Osmolality equal to plasma

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10
Q

Urine specific gravity normal value

A

1.020-1.030

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11
Q

Serum specific gravity

A

1.010

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12
Q

Specific gravity of urine >1.030-1040

A

Concentrated urine (dehydration)

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13
Q

SG <1.010

A

Extremely dilute urine( diabetes insipidus)

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14
Q

Urine specific gravity is equal to serum specific gravity in

A

Isosthenuria (1.010)
Tubulea aren’t working

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15
Q

Child 5 yrs severe bone pain short stature blood sugar normal no diabetic history
Urine glucose +++
Unone ph 6

A

Renal tubular acidosis type 2

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16
Q

Urobilinogen ++

A

Hemolytic jaundice

17
Q

Urobilinogen absent

A

Obstruction or cirrhosis

Normal person traces in urine

18
Q

Bilirubin in urine

A

Conjugated

Hepatic & obstruction

Nishanth Medicine (16 decks)

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