Urinalysis Exam 2

Question 1

10 routine tests in chemical urinalysis

Answer 1

1. Urobilinogen
2. Biliruben
3. Protien
4. Nitrites
5. Specific Gravity
6. Ketone
7. Leukocyte
8. pH
9. Blood
10. Glucose

Question 2

Chemical urinalysis QA guidelines

Answer 2

1. Make sure all pads are covered
2. Do not leave caps off
3. Do not touch pads
4. Do not combine strips
5. Dont use expired strips
6. Do not refrigerate
7. Keep in cool dry place

Question 3

Results from breakdown of biliruben in colon by bacteria

Answer 3

Urobilinogen

Question 4

Normally too large to pass through glomerulus rebal disease: proteinuria

Answer 4

Protein

Question 5

Intensely yellow pigmented substance not soluble in water (liver)

Answer 5

Biliruben

Question 6

Bacteria nitrate to nitrite

Answer 6

Nitrites

Question 7

Weight of urine as compared to equal volume of water

Answer 7

Specific gravity

Question 8

Products of fat metabolism oxidized by muscles

Answer 8

Ketone

Question 9

White blood cells in urine

Answer 9

Leukocyte

Question 10

Most important aid in identification of urine crystals

Answer 10

ph

Question 11

Hemoglobin, myoglobin,erythrocytes

Answer 11

Blood

Question 12

Sugar tested for in urine

Answer 12

Glucose

Question 13

Guidelines to helphigh quality results when using reagent test strips

Answer 13

Ensure urine stick is completely covered

Question 14

Confirmatory for biliruben

Answer 14

Ictotest

Question 15

Confirmatory for reducing sugar/substance

Answer 15

Clinitest

Question 16

Confirmatory for ketones

Answer 16

Acetest

Question 17

Red blood cells in urine

Answer 17

Hematuria

Question 18

What results could be positive on a reagent strip to indicate a UTI

Answer 18

blood, protien, nitrites,leukocytes

Question 19

What results could be positive if a patient has diabetes?

Answer 19

Glucose,ketones

Question 20

Positive biliruben test results could be caused by what liver diseases?

Answer 20

Hepatitis, sclerosis, jaundice

Question 21

Positive erythrocytes(RBC) in urine could be an indication of?

Answer 21

Kidney stones

Question 22

What does presence of nitrites indicate in fresh urine?

Answer 22

Bacteria

Question 23

Qualitative and semi quantitative urine tests

Answer 23

Qualitative-indicates if particular analyte is present

Semiquantative- determines approximate quantity of an analyte

Question 24

Procedure for preparing urine for microscopic examination

Answer 24

12 mL, 5 mins in centrifuge, mix up sediment and put into 10 slides, take out after 5 mins and pour off supernatant

Question 25

Liquid portion of urine on top of spun sediment

Answer 25

Supernatant

Question 26

Material at the bottom of centrifuge tube of urine

Answer 26

Sediment

Question 27

RBC (red blood cells)

Answer 27

Round, no nucleus, colorless

Question 28

WBC (white blood cells)

Answer 28

Has nucleus, larger than rbc, more granular

Question 29

Epithelial cells

Answer 29

Lathe, come from lining of vagina,

Question 30

Casts

Answer 30

Shaped like tube, lower power field

Question 31

Crystals

Answer 31

Counted on LPF, identified under HPF

Question 32

Objectives used to view microscopic urines

Answer 32

Low power field 10x

High power field 40x

Question 33

Amorphous

Answer 33

Without shape

Question 34

Tiny, rod shaped, or round (infection)

Answer 34

Bacteria

Question 35

Small oval organism.or budding

Answer 35

Yeast

Question 36

Trichomonas vaginalis, pear shaped, causes STDs

Answer 36

Parasites

Question 37

Artifacts or contaminants

Answer 37

Hair, air bubbles, fecal matter….