Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Med Lab- Test 1 > Routine Urinalysis- Microscope Exam of Urine > Flashcards

Routine Urinalysis- Microscope Exam of Urine Flashcards

1
Q

Steps for proper speciman

A

Collection, Rapid transport to lab, and prompt examination (within 30 minutes-hour limit)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Volume of urine evaluated

A

12 mL (10-15mL range)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Centrifugation (speed and time)

A

400-450g for 5 minutes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Urine volume to resuspend sediment ratio

A

12:1

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

How many field of views for examination under microscope?

A

10-12

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

In what type of urine do you see RBCs crenate

A

Hypertonic urine

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

In what type of urine will you see RBC swell

A

Dilute or hypotonic urine (ghost RBC)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

WBC in urine is called __________ and indicates an __________________ and the normal WBC/hpf is _________

A

Leukocyturia, infection (bacterial, non-bacterial), 0-8WBC/hpf

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Non-granular WBC (lymphocytes) WILL or WILL NOT react with reagent strip creating a _______ ___________

A

WILL NOT react creating a FALSE NEGATIVE

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What is the most common type of epithelial cell found in urine?

A

Squamous epithelial cell

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Where do Squamous epithelial cells originate from?

A

superficial lining of urethra and vagina

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Transitional cell originate where?

A

lining of renal pelvis, ureters, BLADDER, upper urethra

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Increased numbers of Transitional epithelial cells may indicate what?

A

UTI, collection by catheterization, or malignancy

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Renal tubular epithelial cells originate in lining of renal tubules and increased numbers indicate…

A

tubular necrosis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

A clue cell is what type of cell with bacteria adhering to it? And presence of clue cells indicates what?

A

A squamous epithelial cell and may indicate bacterial vaginal infection.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Transitional epithelial cells are much larger than WBC because of abundant cytoplasm. What is the nucleus to cytoplasm ratio?

A

~1:5

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Oval fat bodies (OFB) is what type of cell with absorbed fat?

A

Renal tubular epithelial

18
Q

The lab must see what using polarized microscopy to verify cell is OFB?

A

maltese cross

19
Q

OFB indicates what?

A

Pathology- associate with high protein in urine

20
Q

Large amounts of these may indicate improper collection technique

A

Squamous Epithelial cells

21
Q

Presence of casts reflect the health of the…

A

Renal tubules

22
Q

Normally, you can see few _________ casts or _______ casts

A

hyaline or granular

23
Q

Cast formation is increased by (4 things)

A

Acidity of urine, increased solute concentration, urine stasis, presence of plasma proteins

24
Q

The __________ cast is the most common cast seen in normal individuals (0-2 casts/lpf). Increased amounts seen with what?

A

Hyaline casts: seen with dehydration, fever, emotional stress, strenuous exercise

25
Q

RBC, WBC, epithelial, waxy, fatty, and broad casts are always

A

Pathologic

26
Q

True or false:

1) Casts are formed in the urine?
2) Acid pH and urine stasis are conductive for cast formation?
3) Casts are enumerated using high power objective?
4) Hyaline and RBC are not pathologic?

A

1) False
2) True
3) False
4) False

27
Q

If crystals are found in urine it is….

A

Pathologic

28
Q

All clinically significant crystals are found in (Acid urine/ alkaline urine)?

A

Acid urine

29
Q

Crystal formation is enhanced by (4 things)

A

Increased solute concentration, urine pH, urine stasis, and temperature (cooler temps)

30
Q

Normal acid pH crystals: (3)

A

Amorphous urates, uric acid, calcium oxalate

31
Q

The most frequently observed crystal in urine is

A

Calcium oxalate

32
Q

Normal Alkaline pH Crystals (3)

A

Amorphous phosphates, triple phosphate, ammonium biurate

33
Q

The most frequently observed crystal in alkaline urine is:

A

Triple phosphate crystals (coffin lid crystals)

34
Q

Pathologic crystals (acid, neutral pH): (5)

A

Cystine, tyrosine, leucine, cholesterol, bilirubin

35
Q

A positive ictotest will confirm what type of crystals

A

Bilirubin

36
Q

True or False:

1) Crystals are identified by shape and urine pH?
2) Uric acid crystals are found in acid urine and are shaped like a coffin lid?
3) Presence of ammonium biurate crystals indicate the urine is old?
4) Presence of bilirubin crystals indicate severe liver disease?

A

1- true
2- False
3- True
4- True

37
Q

Bacteria presence in urine may indicate what?

A

UTI or contamination

38
Q

You correlate nitrite reagent strip with what in urine?

A

Bacteria

39
Q

With bacteria in the urine, it is normally a ______ pH?

A

Alkaline

40
Q

This will not lyse with acetic acid or KOH

A

Yeast

41
Q

Are you have fun studying?

A

:) or :(

Med Lab- Test 1 (4 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions