Functions and Structures
Urinary System Lab Tests
Special Considerations
100

What is the function of the Urinary System?

Regulates water, eliminates urine (waste Products) Maintains acid base balance 

100

What may Crystals in Urine indicate?

Kidney Stones, UTIs, Cystinuria genetic disorder that causes kidney stones 

100

Why is First Urine of the Morning needed for some tests?

Urine excretion in the morning is the most concentrated


200

What 4 structures make up the Urinary System? 

Two Kidneys 

Two Ureters

Bladder

Urethra 

200

What is the most frequently requested urine test?

Routine Urinalysis (UA)

200

Labels attached to urine specimens must include 

Patients Name and DOB

Patients Identification Number

Date of Collection

300

What is the role of the Ureters? 

The ureter moves urine of the kidney to the bladder 

300

What is the purpose for a Chemical Analysis?

Tests for he presence of glucose, protein, blood (RBC, Hemoglobin) WBC, Ketones, Bacteria, Bilirubin 

300

Can the lab accept a urine container if it has leaked in the specimen bag?

No, specimen will be rejected due to possible contamination 

400

What is the role of the Urethra?

Aids in the removal of urine from the body 

400

What is the need for a Clean-Catch urine Specimen?

So the specimen is free of contamination

used for Cultures on bacteria and or microscopic analysis 

400

Why might a patient be instructed to fast for a urine test?

Metabolic abnormalities are more easily diagnosed with this type of specimen 

Always ask "when was the last time you've eaten"   

500

What clinical information can be found in Urine?

Glucose can indicate diabetes 

WBC sign of infection 

Urine color indicator of hydration 


500

What does a Urine Culture and Sensitivity (C&S) test for?

Used to detect the presence or absence of infecting organisms 

Transport to Microbiology 

500

What should the patient be instructed regarding supplying a Urine Culture and Sensitivity (C&S)?

Pt is to void approx. 1/3 of urine into the toilet, collect 1/4 in a sterile container. allow rest to pass