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MIDTERMS > MLSP: Urine (LAB) > Flashcards

MLSP: Urine (LAB) Flashcards

1
Q

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)

A

True

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2
Q

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

A

True

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3
Q

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

A

True

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4
Q

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

A

REASONS FOR REJECTING URINE

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5
Q

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

A

REASONS FOR REJECTING URINE

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6
Q

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

A

True

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7
Q

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

A

True

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8
Q

4 tests in the physical examination of urine

A

color, clarity, volume, and odor

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9
Q

Pale yellow, yellow, dark yellow, and amber

A

URINE COLOR

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10
Q

Dark Yellow or Amber

A

ABNORMAL URINE COLOR

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11
Q

presence of the abnormal
pigment bilirubin

A

Dark Yellow or Amber

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12
Q

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

A

Yellow-orange

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13
Q

Presence of blood, commonly seen in menstruating patients

A

Red

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14
Q

glomerular bleeding

A

Brown Urine containing Blood

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15
Q

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

A

Brown or black

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16
Q

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

A

Blue/Green

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17
Q

CLARITY
No visible particulates, transparent

A

Clear

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18
Q

CLARITY
Few particulates, print easily seen through urine

A

Hazy

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19
Q

CLARITY
Many particulates, print blurred through urine

A

Cloudy

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20
Q

CLARITY
Print cannot be seen through urine

A

Turbid

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21
Q

CLARITY
May precipitate or be clotted

A

Milky

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22
Q

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

A

True

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23
Q

ODOR
Normal

A

Aromatic

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24
Q

ODOR
Bacterial decomposition, urinary tract infection

A

Foul, ammonia-like

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25
Q

ODOR
Ketones (diabetes mellitus, starvation, vomiting)

A

Fruity, sweet

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26
Q

ODOR
Maple syrup urine disease

A

Maple syrup

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27
Q

ODOR
Phenylketonuria

A

Mousy

28
Q

ODOR
Tyrosinemia

A

Rancid

29
Q

ODOR
Isobaleric acidemia

A

Sweaty feet

30
Q

ODOR
Methionine malabsorption

A

Cabbage

31
Q

ODOR
Contamination

A

Bleach

32
Q

Sometimes called “dip strips”

A

REAGENT STRIPS

33
Q

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

A

REAGENT STRIPS

34
Q

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

A

REAGENT STRIPS

35
Q

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

A

True

36
Q

most concentrated]– slightly acidic pH of 5.0-6.0

A

First morning specimen

37
Q

wide range of value]– 4.5 to 8.0

A

Normal random samples

38
Q

methyl red, bromthymol blue

A

Reagents

39
Q

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

A

pH

40
Q

Most indicative of renal disease

A

Protein

41
Q

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

A

Clinical proteinuria

42
Q

<10 mg/dL or 100 mg per 24 hrs

A

Normal urine

43
Q

Detection and monitoring of diabetes mellitus

A

GLUCOSE

44
Q

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

A

False-positive

45
Q
  • Proteins other than albumin
  • Microalbuminuria
A

False Negative

46
Q

Contamination by oxidizing agents and
detergents

A

False-positive

47
Q
  • High levels of ascorbic acid
  • High levels of ketones
  • High specific gravity
  • Low temperatures
  • Improperly preserved specimen
A

False-negative

48
Q

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

A

Ketones

49
Q

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

A

KETONURIA

50
Q

Reading Time
30 seconds after dipping in the urine

A

Bilirubin and Glucose

51
Q

Reading Time
40 seconds

A

Ketone and Ascorbate

52
Q

Reading Time
45 seconds

A

Specific gravity

53
Q

Reading Time
60 seconds

A

Blood, pH, Protein, Urobilinogen, and Nitrite

54
Q

Reading Time
120 seconds / 2 minutes

A

Leukocytes

55
Q

Measures only ionic solutes

A

SPECIFIC GRAVITY

56
Q

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

A

LEUKOCYTE ESTERASE

57
Q

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

A

Nitrite

58
Q

An early indication of liver disease

A

BILIRUBIN

59
Q

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

A

Blood

60
Q

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

A

UROBILINOGEN

61
Q

10-15 mL is centrifuged in a conical tube

A

SPECIMEN VOLUME

62
Q

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

A

CENTRIFUGATION

63
Q

Sediment should remain in the tube after
decantation

A

SEDIMENT PREPARATION

64
Q

Took long (10-15 minutes)

A

PREPARATION AND EXAMINATION OF URINE
SEDIMENT

65
Q

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

A

PREPARATION AND EXAMINATION OF URINE
SEDIMENT

MIDTERMS (21 decks)

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