Urinalysis worksheet and quiz questions Flashcards

1
Q

changes that occur in the urine sample over time are caused by…?

A

bacterial overgrowth, cellular degeneration, cast degeneration

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2
Q

a severely dehydrated cat would most likely have a urine specific gravity in the vicinity of…?

A

1.060

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3
Q

a cat in the final stages of renal failure would most likely have a urine specific gravity in the vicinity of…?

A

1.012

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4
Q

a horse would most likely have a pH of…?

A

7

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5
Q

which urine crystal is commonly associated with ethylene glycol toxicity in small animals?

A

calcium oxalate monohydrate

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6
Q

what do hyaline casts look like?

A

clear and colorless

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7
Q

which urine sediment would be most significant?
a. sperm
b. fat droplets
c. squamous epithelial cells
d. blood cells

A

blood cells

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8
Q

struvite is another name for…?

A

triple phosphate crystals

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9
Q

what do calcium oxalate crystals look like?

A

small squares containing an x

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10
Q

fat droplets are most commonly seen in…?

A

cats

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11
Q

normal numbers of erythrocytes and leukocytes in a urine sediment should not exceed…?

A

3-5 per hpf

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12
Q

the largest of the epithelial cells found in the urine are the…?

A

squamous epithelial cells

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13
Q

casts that are smooth and refractile with squared ends, indicating chronic, severe degeneration of the renal tubules are…

A

waxy

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14
Q

pollakiuria

A

urinating frequently, small volume voided

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15
Q

dark yellow, cloudy urine would be expected to have a…

A

highly specific gravity

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16
Q

amorphous _____ crystals are found in acidic urine

A

urate

17
Q

painful urination is reported as…

A

dysuria

18
Q

what part of the urinalysis is measured by a refractometer?

A

protein

19
Q

the specific gravity of a patient’s urine is so high you can’t measure it on a refractometer. you dilute the sample 1:2 with distilled water and the measurement is now 1.032. what is the true specific gravity?

A

1.064

20
Q

in a urine sample, a red blood cell may easily be confused with a…

A

fat droplet

21
Q

the ictotest is used to detect _____ in urine

A

bilirubin

22
Q

what are the 2 preferred methods of collecting a sample for culture?

A

cystocentesis and catherization

23
Q

urine samples should be centrifuged at a…

A

low speed (1000-3000 rpm) for 5 minutes

24
Q

oliguira

A

decreased urine output

25
Q

urine specific gravity is actually a measure of what?

A

renal tubular function

26
Q

polydipsia

A

increased water consumption

27
Q

what test on the urine dipstick is the least useful in animals?

A

urobilinogen

28
Q

what is the most likely constituent of the grit seen in the urethra of male cats?

A

struvite

29
Q

pyuria

A

leukocytes in urine

30
Q

which urine sample collection technique is the least physically traumatic for the patient?

A

free catch voided

31
Q

when you evaluate turbidity what are you looking at?

A

the cloudiness of the urine

32
Q

which reagent (dipstick) test is unreliable in dogs and cats?

A

leukocytes

33
Q

which urinalysis finding is consistent with bacterial cystitis in the dog?

A

alkaline pH

34
Q

isosthenuria urine will most likely have a specific gravity of…?

A

1.010

35
Q

how would you expect the specific gravity of a dilute colorless urine to compare with that of a dark yellow urine?

A

lower