Brainscape's Knowledge GenomeTM

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


See full index

MTAP 1 FINALS > AUBF Urinary Crystals > Flashcards

AUBF Urinary Crystals Flashcards

1
Q

Crystals commonly seen in acidic urine

A

Uric acid
Amorphous urates
Calcium oxalate (Neutal)

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

Normally seen in alkaline urine

A

Calcium oxalate (any pH)
Calcium phosphate
Triple phosphate (Ammonium magnesium phosphate)
Ammonium biurate
Calcium carbonate

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

Appearance: Rhombic, Four-sided flat plates (whetstones), wedges, rosettes

A

Uric acid

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

Uric acid distinguishing feature from cystine crystals

A

Highly birefringent

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

Pink sediment when refrigerated (Ca, Mg, Na, K)

A

Amorphous urates

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

Uric acid is Significantly increased in

A

Gout, Lesch-Nyhan Syndrome

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

Crystal: colorless to yellow brown granules

A

Amorphous urates

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

Macroscopic: orange-pink precipitate (brick-dust)

A

Amorphous urates

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

Amorphous urates can be convert uric acid with

A

concentrated HCl

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

Most common calcium oxalate

A

dihydrate - colorless, octahedral envelope, or as two pyramids joined at their base

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

Oval or dumbbell shaped crystal

seen in ethylene glycol “antifreeze” poisoning

A

Calcium oxalate: monohydrate

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

Majority of renal calculi is composed of

A

Calcium oxalate

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

Colorless rectangular shape, present in rosette forms

A

Calcium phosphate

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

Confused with sulfunamide crystals

A

Calcium phosphate

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

Appearance: Coffin-lid shape, Prism shape

A

TRIPLE PHOSPHATE (AMMONIUM MAGNESIUM PHOSPHATE)

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

Triple phosphate fern-like form can be induced by addition of

A

ammonia

17
Q

Appearance: Thorny apples - spicule covered spheres

A

Ammonium biurate

18
Q

Dissolves at 60 deg C

A

Ammonium biurate

19
Q

Most often encountered in old specimen

A

Ammonium biurate

20
Q

Appearance: Small, colorless, dumbbell or spherical shapes

A

Calcium carbonate

21
Q

Resembles amorphous material - distinguised by addition of acetic acid (formation of gas)

A

Calcium carbonate

22
Q

Appearance: colorless, hexagonal plates (thick or thin)

A

Cystine

23
Q

Confirmation for cystine crystals:

A

Cyanide Nitroprusside Test

24
Q

Metabolic disorder that prevents reabsorption of cystein by renal tubules

A

Cystinuria

25
Q

Appearance: Rectangular plates with notch on one or more corners

A

Cholesterol

26
Q

Abnormal urinary crystals

A

CHOLESTEROL

RADIOGRAPHIC DYE/ RADIOGRAPHIC CONTRAST MEDIA

SULFONAMIDES

LEUCINE

TYROSINE CRYSTALS

BILIRUBIN

27
Q

Can be seen in: Nephrotic Syndrome in conjuction with Fatty Casts and Oval fat bodies

A

Cholesterol

28
Q

Appearance: Colorless flat plates, similar to cholesterol crystals

A

RADIOGRAPHIC DYE/ RADIOGRAPHIC CONTRAST MEDIA

28
Q

SG: markedly elevated in abnormal urine

A

RADIOGRAPHIC DYE/ RADIOGRAPHIC CONTRAST MEDIA

28
Q

Appearance: colorless to yellow brown, needles, rhombics, whetstones, SHEAVES of WHEAT and rosette

A

Sulfonamides

29
Q

Distinguished from calcium phosphate; Does not dissolved upon addition of dilute acetic acid

A

sulfonamides;

30
Q

Appearance: Colorless needles (tend to form bundles following refrigeration)

A

Ampicillin

31
Q

Indication: Precipitation of antibiotics following massive dosage of this penicillin compound without adequate hydration

A

Ampicillin

32
Q

Appearance: Yellow-brown spheres (concentric circles with radial striations)

A

LEUCINE

33
Q

Abnormal crystals indication for liver disorder

A

LEUCINE
TYROSINE CRYSTALS
BILIRUBIN

34
Q

Appearance: Fine, colorless, to yellow needles (in clumps or rosettes)

A

TYROSINE CRYSTALS

35
Q

Seen in conjunction with leucine crystals and (+) chemical test for bilirubin

A

Tyrosine crystals

36
Q

Appearance: Yellow Clump needles, or granules

A

Bilirubin

MTAP 1 FINALS (16 decks)

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