urinalysis lab

Question 0

estimating creatinine without collecting urine

Answer 0

Cockroft gault eq

Question 1

creatinine clearance formula

Answer 1

urine creatine x urine volume/ serum creatine x 1440

Question 2

CKD is defined as

Answer 2

either kidney damage or GFR < 60

Question 3

leucoesterase

Answer 3

increases with nitrite in pyelonephritis

Question 4

isothenuria

Answer 4

neither concentrated or diluted; in signs of UTI or chronic renal insufficiency

Question 5

UAG

Answer 5

Na + K- Cl
tells you NH4 excretion
negative w/ chronic diarrhea

Question 6

FENA <1%

Answer 6

normal and pre-renal

Question 7

FENA > 2%

Answer 7

acute tubular necrosis

renal

Question 8

u/p creatinine ratio

Answer 8

> 40 prerenal

<20 renal

Question 9

Uosmolarity

Answer 9

> 500=prerenal

<350=renal

Question 10

things you see in glomerular disease

Answer 10

proteinuria >3
acanthocytes
RBC casts
lipid casts

Question 11

things you see in tubulo-interstital disease

Answer 11

proteinuria <3
isostenuria
glucosuria

Question 12

RBC casts and acanthocytes

Answer 12

GNitis

Question 13

granular casts

Answer 13

acute tubular necrosis

Question 14

oval fat bodies, fatty casts, cholesterol crystals

Answer 14

nephrotic syndrome

Question 15

cigar-shaped crystals

Answer 15

ethylene glycol ingestion (antigreeze)

Question 16

hexagon crystals

Answer 16

cytinuria

Question 17

hemoptysis and pulmonary infiltrates

Answer 17

wegener;s disaese and good pasture’s disease

Question 18

muscle weakness, hyperpig, tiredness, pericardis, cachexia

Answer 18

uremia