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ACTS (Reinforcement) > Clinical Microscopy (AUBF) Part 2 > Flashcards

Clinical Microscopy (AUBF) Part 2 Flashcards

1
Q

The fluid leabing the glomerulus has a specific grabity of ?

a. 1.005
b. 1.010
c. 1.014
d. 1.020

A

b

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2
Q

All of the following are reabsorbed by active transport in the tubu;;es except:

a. Urea
b. Glucose
c.Sodium
d. Chloride

A

a

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3
Q

A person exhibiting oliguria would have a daily urine volume of:

a. 200-400 ml
b. 600-100 ml
c. 100-1500 ml
d. >1500 ,;

A

a

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4
Q

The correct method for labeling urine specimen containers is to :

a. Attach the label to the lid
b. Attach the label to the bottom
c. Attach the label to the Container
d. Use only a wax pencil for labeling

A

c

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5
Q

A specimen containing precipitated amorphous urates may have been preserved using

a. Boric acid
b. Chloroform
c. Formalin
d. Ref

A

d

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6
Q

what three changes will affect the results of the microscopic examination of urine if it is not tested within 2 hours

a. Increased bacteria, Increased red blood cells, decreased casts
b. Decreased bacteria, decreased red blood cells, decreased casts
c. Increased bacteria, decreased red blood cells, decreased casts
d. Decreased bacteria, increased red blood cells, increased casts

A

c

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7
Q

A negative pregnancy test performed on a random specimen may need to be prepared using a :

a. Clean-catch specimen
b. fasting specimen
c. First morning specimen
d. 24 hour specimen

A

c

Indirect test

mIU.mL

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8
Q

the cocentration of a normal urine specimen can be estimated by which of the following:

a. Color
b. Clarity
c. Foam
d. Odor

A

a

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9
Q

A yellow - brown specimen that produces yellow foam

a. Bilirubin
b. Protein
c. Urobilinogen
d. Nitrite

A

a

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10
Q

Specimen from patients receiving treatment for urinary tract infections frequently appear:

a. Clear and Red
b. Viscous and orange
c. Dilute and pale yellow
d. Cloud and red

A

b

Due to Medication (Phenazopyridine)

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11
Q

Which of the following SG would be most likely to correlate with a Dark yellow urine

a. 1.005
b. 1.010
c. 1.020
d. 1.030

A

d

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12
Q

A urine SG measured by Refractometer is 1.029 and the temp of the urine is 14 C . The SG should be reported as:

a. 1.023
b. 1.027
c. 1.029
d. 1.032

A

c

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13
Q

The reading of Distilled water by refractometer is 1.003 you should:

a. Substract 1.003 to each specimen reading
b. Add 1.003 to each specimen reading
c. Use a new Refractometer
d. Adjust the set screw

A

d

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14
Q

How much urine is usally required for a manually performed routine urinalysis

a. 3 - 5 mL
b. 10 - 15 mL
c. 20 - 30 mL
d. 50 - 100 mL

A

b

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15
Q

The microscopic of cloudy amber urine is reported as rare WBCs and Epithelial cells. What does this suggest?

a. UTI
b. Dilute Random specimen
c. Precipitated Amorphous urates
d. Possible mix-up of specimen and sediment

A

D

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16
Q

Failure to mix a specimen prior to inserting the ragent strip will primarily affect the :

a. Glucose
b. Blood Reading
c. Nitrite reading
d. pH reading

A

b

17
Q

Testing a refrigerated specimen that has not warmed to RT will adversely affect:

a. Enzymatic reactions
b. Dye binding reaction
c. The sodium nitroprussided reaction
d. Diazo reactions

A

a

18
Q

Urine pH can be modified by all of the following except:

a. Diet
b. Increased ingestion of water
c. Ingestion of medication
d. UTI

A

b

19
Q

Which of the following statments best describes the chemical principle of the protein reagsent strip test?.

a. The protein reacts with an immunocomplex on the pad. which results in a color change
b.
c. The protein accepts hydrogen
d.

A
20
Q

which of the following aids in the differentiation of hemoglobinuria and hematuria

a. Urine pH
b. Urine Color
c. Leukocyte esterase test
d. Microscopic examination

A

d

21
Q

Which of the followin blood cells will not be detected by the LE

a. Eo
b. Lymp
c. Mono
d. Neutro

A

b

22
Q

The chemical principle of the nitrite Reagent pad is based onthe:

a. Pseudoperoxidase
b. Diazotization of nitrite followed by an azo coupling reaction
c. Azo coupling action of nirtire with a Diazonium salt to form an azo dye
d. Hydrolysis of an ester

A

b

23
Q

which of the following substances or actions can produce false positive nitrite results?

a. Ascorbic acid
b. Vaginal contamination
c. Strong reducing agents
d. Improper specimen storage

A

d

PpBaON

24
Q

Which of the following can cause false positive ketone results?

a. a large amount of ascorbic acid in urine
b. Improper storage of the urine urine speicmen
c. Drugs containing free sulfhydryl Groups
d. A large amount of glucose (Glucosuria)

A

c

B - Ketone is Volatile which will decrease (Meaning will go with the air)

25
Q

when the laboratorian performes the microscopic examination of urine in LPO

a. Bacteria
b. Casts
c. Red Blood cells
d. Renal tubular cells

A

b

26
Q

A urine sediment could have which of the following formed elements and still be considered normal

a. Two or fewer hyaline casts
b.5 - 10 RBC
c. few bacteria
d. few yeast cells

A

a

27
Q

Urinary cast are formed in :

a. The distal and collecting tubules
b. The distal and tubules and the loops of henle
c. The proximal and distal tubules
d. The proximal tubules and the loops of henle

A

a

28
Q

Which of the following can decrase CSF protein?

a. Fluid leakage
b. Meningitis
c. MS
d. Hemorrhage

A

a

29
Q

CSF lactate is used to verify cases of which of the following?

a. MS
b. Bacterial meningitis
c. Reye’s Syndrome
d. Tertiary syphilis

A

B

30
Q

What is added to synovial fluid to determine the viscosity

a. Sodium
b. Acetic acid
c. Hydrochloric acid
d. Hyaluronic acid

A

b

31
Q

Which of the following tests is used to differentiate between an effusion caused by cirrhosis and one caused by peritonitis?

a. Absolute neutrophil
b. Fluid to serum bilirubin ratio
c. Serum - ascites Gradient
d. Serum to LD ratio

A

a

32
Q

A structure believed to be an oval fat body produced a maltese cross formation underpolarized light but does not stain with sudan III:

a. Contains cholesterol
b. is not an oval fat body
c. Contains neutral fat
d. contaminated with immersion oil

A

a

33
Q

High proteins intake causes _____ urine

a. alkaline
b. Acidic
c.
d.

A

a

34
Q

Correct evaluation of urine turbidity

a. Against a white BG
b. Against a Black BG
c. Light source behind analyst
d. Light source in front of analyst

A

a

35
Q

More representative measure of renal concentrating ability

a. SG
b. Osmolality
c. pH
d. Protein

A

b

36
Q
A

ACTS (Reinforcement) (13 decks)

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