Lec 2: Urinalysis 1

Question 1

A liquid tissue biopsy of the urinary tract

Answer 1

Urine

Question 2

Routine Urinalysis

1. Method of collection
2. Types of sample
3. Specimen Of choice
4. Why? (#3)

Answer 2

1. Midstream
2. Random specimen, first morning specimen
3. First morning specimen
4. More acidic = formed elements better preserved

Question 3

Quantitative Analysis

Collection methods for:

1. Urobilinogen determination
2. Clearance test
3. Quantitative cell count

Answer 3

1. Two-hour specimen
2. Twelve-hour specimen
3. Twelve-hour specimen

Question 4

24-hour specimen

1. The first urine must be ____.
2. The last urine at 7AM the next day must be ___.

(Discarded, Collected)

Answer 4

1. First urine is DISCARDED
2. Last urine is COLLECTED

Question 5

Bacteriologic Examination

Cite the special collection techniques

Answer 5

1. Urethral catheterization
2. Suprapubic aspiration
3. Three glass collection
4. Ureteral catheterization

Question 6

Bacteriologic Examination

[ TRUE or FALSE ]

1. Suprapubic aspiration is performed by a physician/doctor, NOT medtech.
2. Specimen container may or may not be sterile
3. Strong bacterial agents should NOT be used.
4. For clean catch specimen, it is midstream

Answer 6

1. TRUE
2. FALSE - should be sterile
3. TRUE
4. TRUE

Question 7

Bacteriologic Examination

1. Introduces a catheter into the urethra & bladder.
2. Aspirated with a syringe & needle above the symphysis pubis
3. Necessary for patients who are UNABLE to void
4. Catheters are inserted into each ureter via a cytoscopy
5. For differentiating BLADDER Infection from KIDNEY Infection
6. The specimen is usually contaminated, so they resort to this procedure
7. For determining PROSTATIC infection
8. For Three Glass collection, how is each specimen used?

Answer 7

1. Urethral catheterization
2. Suprapubic 6
3. Urethral catheterization
4. Ureteral catheterization
5. Ureteral catheterization
6. Suprapubic aspiration
7. Three Glass collection
8. a. First & third » microscopic examination
   b. second » control

Question 8

Specimen Containers

1. 100-200 mL
2. 12 mL
3. 3000 mL

Answer 8

1. Disposable plastic containers
2. Caped disposable plastic tubes
3. Rigid brown plastic containers

Question 9

Specimen Containers

1. For routine analysis
2. 24 hour collection
3. Clear pliable polyethylene
4. Purpose of brown colored container.

Answer 9

1. • Disposable plastic containers
   • Capped disposable plastic tubes
2. Rigid brown plastic containers
3. Pediatric urine collector
4. Preserves photosensitive substances

Question 10

Components of urine analysis

Answer 10

1. Specimen evaluation
2. Physical test
3. Chemical examination
4. Sediment examination

Question 11

The best way to identify urine

Answer 11

Check for the presence of considerable amounts of UREA NITROGEN and CREATININE

Question 12

Values in Urine

1. Urea
2. Creatine

Answer 12

1. 600mg/100mL
2. 50mg/100mL

Question 13

1. Urochrome excretion is increased in ___. (3)
2. Seen in a normal person with high fluid intake
3. Maybe seen when fluids are with held or when in dehydration
4. Found in diabetes mellitus

Answer 13

1. Fever, thyrotoxicosis, starvation
2. Pale urine
3. Darker urine
4. Pale urine with high specific gravity