Exam 13: Renal Physiology and Urinalysis

Match the following potential causes of false-positive or false-negative results with chemical reagent strips. -urinary preservatives in urine testing for leukocyte esterase

Reagent strips for glucose detection use):

Match the respective type of casts with an associated condition (use an answer only once). -RBC casts and RBCs

The least pathological type of cast is:

Match the terms with the appropriate situations that result in abnormal urine volumes. -nocturia

Match the following potential causes of false-positive or false-negative results with chemical reagent strips. -proteins are present without the presence of albumin

WBCs rapidly deteriorate in hypotonic solutions.

Match the respective type of casts with an associated condition (use an answer only once). -bacterial casts

The functional (working)unit of the kidney is the:

Select the microscopic elements that could be found in normal or abnormal urinary sediment: Moderate number of renal epithelial cells.

Urine specimens must be fresh and centrifuged for reagent strip testing.

Casts disintegrate as urine becomes alkaline.

Match the name of each type of crystal with the appropriate description. -amorphous urates

Specimens for bilirubin testing must be:

Select the microscopic elements that could be found in normal or abnormal urinary sediment: Moderate number of squamous epithelial cells.

Important factors in the collection and handling of urine include all of the following except the:

The growth of bacteria in urine produces a more acidic solution.

Match the following potential causes of false-positive or false-negative results with chemical reagent strips. -a blue color forms for the protein reaction,if the urine is exposed to the reagent strip for too long

Select the microscopic elements that could be found in normal or abnormal urinary sediment: Hyaline cases (20 to 30/lpf).

Match the terms with the appropriate situations that result in abnormal urine volumes. -anuria