ASCP Urinalysis and Body Fluids

Question 1

Which urine dipstick pad detects the presence of leukocyte esterase, indicating:

Accepted Answer

Pyuria (white blood cells in urine)

Answer

Hematuria

Answer

Glucosuria

Answer

Proteinuria

Question 2

Normal urine specific gravity ranges from:

Accepted Answer

1.001–1.035

Answer

1.000–1.005

Answer

1.040–1.060

Answer

0.990–1.000

Question 3

Waxy casts in urine sediment indicate:

Accepted Answer

Severe chronic renal failure

Answer

Early acute tubular necrosis

Answer

Mild proteinuria

Answer

Recent vigorous exercise

Question 4

A urine dipstick positive for blood but negative microscopy for RBCs suggests:

Accepted Answer

Hemoglobinuria or myoglobinuria

Answer

Bacterial contamination

Answer

Ascorbic acid interference

Answer

Normal finding

Question 5

Clue cells seen in vaginal wet prep are characteristic of:

Accepted Answer

Bacterial vaginosis (Gardnerella vaginalis)

Answer

Trichomonas vaginalis infection

Answer

Candida vaginitis

Answer

Normal Lactobacillus-dominant flora

Question 6

Which casts are pathognomonic for nephrotic syndrome?

Accepted Answer

Fatty casts and oval fat bodies

Answer

Hyaline casts

Answer

Granular casts

Answer

WBC casts