Urine Tests

Question 1

Inappropriate when collecting urine for routine bacteriologic culture

Answer 1

@ 2-8C for up to 48 hours prior to plating

Question 2

Urine pigment prod subs

Answer 2

Deep yellow urine with yellow foam with bilirubin

Question 3

Urine prod red fluorescence exam with ultraviolet 360nm

Answer 3

Coproporphyrin

Question 4

Dse with N urine but red fluorescence ultraviolet(woods lamp)

Answer 4

Lead poisoning

Question 5

Most common form porphyria

Answer 5

Porphyria cutanea tarda

Question 6

Least sensitive and spec for PBG in urine

Answer 6

Watson-Schwarts test

Question 7

Brown or black pigment in urine

Answer 7

Melanin

Question 8

Dark red or port wine urine caused by

Answer 8

Porphyria cutanea tarda

Question 9

Least affected by standing

Answer 9

Protein

Question 10

Urine spx for d-xylose adsorption test for adult

Answer 10

5 hour timed ref

Question 11

Inappropriate collecting 24 hrs for catecholamines

Answer 11

10 ml of 1N hydroxide added container before collection

Question 12

Urine prod less than 400ml/day

Answer 12

Oliguria

Question 13

Contributes to SG but not osmolality

Answer 13

Protein

Question 14

Urine SG between 1.002 and 1.003

Answer 14

Diabetes insipidus

Question 15

SG likely to be below 1.025

Answer 15

Chronic renal failure

Question 16

Principle of colorimetric rgt strip determination SG urine

Answer 16

Ionic strength alters the pka of a polyelectrolyte

Question 17

Renal tubular acidosis the ph of urine

Answer 17

Alkaline

Question 18

N daily urine output adult

Answer 18

0.6-1.6L

Question 19

SG filtrate Bowmans space

Answer 19

1.008-1.010

Question 20

Px partially compensated respi alkalosis urine ph

Answer 20

7.2-8.5

Question 21

False pos dry rgt strip test for urinary protein

Answer 21

Highly buffered alkaline urine

Question 22

Testing for urinary protein w/ sulfosalicylic acid false pos

Answer 22

Presence of x ray contrast media