MLSP: Urine (LAB)

Question 1

T or F

The 2 responsibilities Medtech have when it
comes to urine collection?
1. Instruct the patient on how to properly collect
his or her urine
2. Receive our specimen (wear PPE)

Answer 1

True

Question 2

T or F
Clean, dry, leak-proof containers, screw top lids,
wide mouth, clear. Disposable containers are recommended

Answer 2

True

Question 3

T or F
Gloves should be worn at all times when in contact with the specimen

Answer 3

True

Question 4

Specimens in unlabeled containers
Nonmatching labels and requisition forms
Specimens contaminated with feces or toilet paper

Answer 4

REASONS FOR REJECTING URINE

Question 5

Containers with contaminated exteriors
Specimens of insufficient quantity
Specimens that have been improperly transported

Answer 5

REASONS FOR REJECTING URINE

Question 6

T or F
SPECIMEN INTEGRITY
Specimens should be delivered to the laboratory
promptly and tested withing 2 hours

Answer 6

True

Question 7

T or F
SPECIMEN INTEGRITY
A specimen that cannot be delivered and tested
within 2 hours should be refrigerated or have an
appropriate chemical preservative added

Answer 7

True

Question 8

4 tests in the physical examination of urine

Answer 8

color, clarity, volume, and odor

Question 9

Pale yellow, yellow, dark yellow, and amber

Answer 9

URINE COLOR

Question 10

Dark Yellow or Amber

Answer 10

ABNORMAL URINE COLOR

Question 11

presence of the abnormal
pigment bilirubin

Answer 11

Dark Yellow or Amber

Question 12

administration of phenazopyridine
(pyridium) or azogantrisin compounds to persons
with urinary tract infections

Answer 12

Yellow-orange

Question 13

Presence of blood, commonly seen in menstruating patients

Answer 13

Red

Question 14

glomerular bleeding

Answer 14

Brown Urine containing Blood

Question 15

melanin or homogentisic acid,
levodopa, methyldopa, phenol derivatives, and
metronidazole (Flagyl)

Answer 15

Brown or black

Question 16

bacterial infections, including urinary
tract infection by Pseudomonas species and
intestinal tract infections

Answer 16

Blue/Green

Question 17

CLARITY
No visible particulates, transparent

Answer 17

Clear

Question 18

CLARITY
Few particulates, print easily seen through urine

Answer 18

Hazy

Question 19

CLARITY
Many particulates, print blurred through urine

Answer 19

Cloudy

Question 20

CLARITY
Print cannot be seen through urine

Answer 20

Turbid

Question 21

CLARITY
May precipitate or be clotted

Answer 21

Milky

Question 22

T or F
You will need paper with print; to be placed at
the back of the urine sample to test the clarity of urine

Answer 22

True

Question 23

ODOR
Normal

Answer 23

Aromatic

Question 24

ODOR
Bacterial decomposition, urinary tract infection

Answer 24

Foul, ammonia-like

Question 25

ODOR Ketones (diabetes mellitus, starvation, vomiting)

Answer 25

Fruity, sweet

Question 26

ODOR Maple syrup urine disease

Answer 26

Maple syrup

Question 27

ODOR Phenylketonuria

Answer 27

Mousy

Question 28

ODOR Tyrosinemia

Answer 28

Rancid

Question 29

ODOR Isobaleric acidemia

Answer 29

Sweaty feet

Question 30

ODOR Methionine malabsorption

Answer 30

Cabbage

Question 31

ODOR Contamination

Answer 31

Bleach

Question 32

Sometimes called “dip strips”

Answer 32

REAGENT STRIPS

Question 33

Consist of chemical- impregnated absorbent pads attached to a plastic strip

Answer 33

REAGENT STRIPS

Question 34

A color-producing chemical reaction takes place when the absorbent pad comes in contact with urine

Answer 34

REAGENT STRIPS

Question 35

T or F 10 parameter reagent strip (10 little square: you can do 10 chemical tests in 1 going)

Answer 35

True

Question 36

most concentrated]– slightly acidic pH of 5.0-6.0

Answer 36

First morning specimen

Question 37

wide range of value]– 4.5 to 8.0

Answer 37

Normal random samples

Question 38

methyl red, bromthymol blue

Answer 38

Reagents

Question 39

Aid in determining the existence of systemic acid- base disorders of metabolic or respiratory origin

Answer 39

pH

Question 40

Most indicative of renal disease

Answer 40

Protein

Question 41

>_ 30 mg/dL (300 mg/L)

Answer 41

Clinical proteinuria

Question 42

<10 mg/dL or 100 mg per 24 hrs

Answer 42

Normal urine

Question 43

Detection and monitoring of diabetes mellitus

Answer 43

GLUCOSE

Question 44

-Highly buffered alkaline urine - Pigmented specimens - Phenazopyridine - Quaternary ammonium compounds

Answer 44

False-positive

Question 45

- Proteins other than albumin - Microalbuminuria

Answer 45

False Negative

Question 46

Contamination by oxidizing agents and detergents

Answer 46

False-positive

Question 47

- High levels of ascorbic acid - High levels of ketones - High specific gravity - Low temperatures - Improperly preserved specimen

Answer 47

False-negative

Question 48

Represents three intermediate products of fat metabolisms: - Acetone - Acetoacetic acid - Beta-hydroxybutyric acid

Answer 48

Ketones

Question 49

Shows a deficiency in insulin, indicating the need to regulate dosage

Answer 49

KETONURIA

Question 50

Reading Time 30 seconds after dipping in the urine

Answer 50

Bilirubin and Glucose

Question 51

Reading Time 40 seconds

Answer 51

Ketone and Ascorbate

Question 52

Reading Time 45 seconds

Answer 52

Specific gravity

Question 53

Reading Time 60 seconds

Answer 53

Blood, pH, Protein, Urobilinogen, and Nitrite

Question 54

Reading Time 120 seconds / 2 minutes

Answer 54

Leukocytes

Question 55

Measures only ionic solutes

Answer 55

SPECIFIC GRAVITY

Question 56

Infections caused by trichomonas, chlamydia, yeast, and inflammation of renal tissues

Answer 56

LEUKOCYTE ESTERASE

Question 57

Provides a rapid screening test for the presence of urinary tract infection (UTI)

Answer 57

Nitrite

Question 58

An early indication of liver disease

Answer 58

BILIRUBIN

Question 59

May be present in the urine either in the form of intact red blood cells (hematuria)

Answer 59

Blood

Question 60

Circulates in the blood en route to the liver, it passes through the kidney and is filtered by the glomerulus

Answer 60

UROBILINOGEN

Question 61

10-15 mL is centrifuged in a conical tube

Answer 61

SPECIMEN VOLUME

Question 62

5 minutes at a relative centrifugal force (RCF) of 400

Answer 62

CENTRIFUGATION

Question 63

Sediment should remain in the tube after decantation

Answer 63

SEDIMENT PREPARATION

Question 64

Took long (10-15 minutes)

Answer 64

PREPARATION AND EXAMINATION OF URINE SEDIMENT

Question 65

Warming the specimen to 37C prior to centrifuging may dissolve some of these crystals

Answer 65

PREPARATION AND EXAMINATION OF URINE SEDIMENT