Question 1

Which of the following cells found in increased numbers in the urine sediment is only indicative of nephron damage?

Accepted Answer

A)   Erythrocytes
B)   WBCs
C)   Squamous epithelial cells
D)   Renal tubular cellsE) All of the above
F) C) and D)

Question 2

Choose the appropriate urine sediment stain for the following functions:
-Enhance nuclear detail.

Accepted Answer

A)   Sudan III
B)   Hansel stain
C)   Prussian blue
D)   Toluidine blueE) C) and D)
F) B) and D)

Question 3

State if a urinalysis supervisor would be concerned or not concerned about the following results:
-Triple phosphate and ammonium biurate crystals in a specimen with a pH of 8.0

Accepted Answer

A)  Concerned
B)  Not concernedC) A) and B)
D) undefined

Question 4

Urinary crystals that appear yellow to reddish-brown are:

Accepted Answer

A)   Calcium oxalate
B)   Triple phosphate
C)   Cholesterol
D)   Uric acidE) All of the above
F) A) and B)

Question 5

The finding of increased hyaline and granular casts in the urine of an otherwise healthy person may be the result of:

Accepted Answer

A)   Fecal contamination
B)   Recent strenuous exercise
C)   Early urinary tract infection
D)   Analyzing an old specimenE) B) and C)
F) B) and D)

Question 6

Initial microscopic focusing on the urinary sediment is frequently performed by referencing:

Accepted Answer

A)   Mucus
B)   Squamous epithelial cells
C)   RBCs
D)   Hyaline castsE) A) and B)
F) B) and C)

Question 7

The following results are obtained on a urinalysis from a student athlete:
 
-Based on the information provided,what is the most probable cause of the abnormal results?

Accepted Answer

A)   Sports injury
B)   Glomerular damage
C)   Strenuous exercise
D)   DehydrationE) A) and D)
F) A) and C)

Question 8

Waxy casts are most easily differentiated from hyaline casts by their:

Accepted Answer

A)   Color
B)   Size
C)   Granules
D)   RefractivityE) All of the above
F) C) and D)

Question 9

Motility by which of the following is most noticeable during the urine sediment examination?

Accepted Answer

A)   Spermatozoa
B)   Candida albicans
C)   Trichomonas vaginalis
D)   Escherichia coliE) A) and B)
F) A) and C)

Question 10

The only type of cast capable of polarization is the:

Accepted Answer

A)   Waxy cast
B)   Hyaline cast
C)   Fatty cast
D)   Granular castE) B) and C)
F) A) and D)

Question 11

Matching
Choose the correct microscope part needed to perform the following functions:
-Focus light on the specimen

Accepted Answer

A)  Condenser
B)  Oculars
C)  Diopter adjustment knob
D)  Rheostat
E)  Nose pieceF) C) and D)
G) A) and E)

Question 12

Using polarized microscopy,which of the following is/are birefringent?

Accepted Answer

A)   Cholesterol
B)   Triglycerides
C)   Fatty acids
D)   Neutral fatsE) A) and C)
F) None of the above

Question 13

Which of the following elements would most likely be found in an acidic concentrated urine that contains protein?

Accepted Answer

A)   Ghost RBCs
B)   Casts
C)   Bacteria
D)   Triple phosphate crystalsE) A) and B)
F) None of the above

Question 14

The urinary sediment constituent most closely associated with bleeding within the nephron is the:

Accepted Answer

A)   RBC
B)   RBC cast
C)   WBC cast
D)   Hyaline castE) None of the above
F) A) and C)

Question 15

To detect the presence of casts,the sediment is examined using:

Accepted Answer

A)   Increased light under high power
B)   Increased light under low power
C)   Reduced light under high power
D)   Reduced light under low powerE) A) and D)
F) All of the above

Question 16

Choose the appropriate urine sediment stain for the following functions:
-Stain hemosiderin granules.

Accepted Answer

A)   Hansel stain
B)   Prussian blue
C)   Toluidine blue
D)   Sternheimer-MalbinE) B) and C)
F) All of the above

Question 17

To differentiate a bacterial cast from a granular cast,a clinical laboratory scientist could:

Accepted Answer

A)   Perform a Gram stain
B)   Use polarizing microscopy
C)   Perform a Hansel stain
D)   Add acetic acid to the sedimentE) A) and C)
F) All of the above

Question 18

Renal tubular epithelial cells from the distal convoluted tubule are smaller than those from the proximal convoluted tubule.

Accepted Answer

A) True 
 B)False

Question 19

The following results are obtained on a catheterized specimen from a patient with symptoms of urinary tract infection:
 
-Based on information provided,is this report consistent with a urinary tract infection?

Accepted Answer

A)   Yes
B)   NoC) A) and B)
D) undefined

Question 20

Identification of oval fat bodies can be verified using:

Accepted Answer

A)   Bright-field microscopy
B)   Phase contrast
C)   Polarized light
D)   Interference-contrast microscopyE) B) and C)
F) None of the above

Exam 6: Microscopic Examination of Urine

Identification of oval fat bodies can be verified using:

Correct AnswerverifiedShow Answer

Waxy casts are most easily differentiated from hyaline casts by their:

Correct AnswerverifiedShow Answer

The following results are obtained on a urinalysis from a student athlete: -Based on the information provided,what is the most probable cause of the abnormal results?

Correct AnswerverifiedShow Answer

Urinary crystals that appear yellow to reddish-brown are:

Correct AnswerverifiedShow Answer

The finding of increased hyaline and granular casts in the urine of an otherwise healthy person may be the result of:

Correct AnswerverifiedShow Answer

Initial microscopic focusing on the urinary sediment is frequently performed by referencing:

Correct AnswerverifiedShow Answer

Motility by which of the following is most noticeable during the urine sediment examination?

Correct AnswerverifiedShow Answer

To differentiate a bacterial cast from a granular cast,a clinical laboratory scientist could:

Correct AnswerverifiedShow Answer

Choose the appropriate urine sediment stain for the following functions: -Stain hemosiderin granules.

Correct AnswerverifiedShow Answer

State if a urinalysis supervisor would be concerned or not concerned about the following results: -Triple phosphate and ammonium biurate crystals in a specimen with a pH of 8.0

Correct AnswerverifiedShow Answer

Choose the appropriate urine sediment stain for the following functions: -Enhance nuclear detail.

Correct AnswerverifiedShow Answer

Using polarized microscopy,which of the following is/are birefringent?

Correct AnswerverifiedShow Answer

Which of the following elements would most likely be found in an acidic concentrated urine that contains protein?

Correct AnswerverifiedShow Answer

The only type of cast capable of polarization is the:

Correct AnswerverifiedShow Answer

The following results are obtained on a catheterized specimen from a patient with symptoms of urinary tract infection: -Based on information provided,is this report consistent with a urinary tract infection?

Correct AnswerverifiedShow Answer

To detect the presence of casts,the sediment is examined using:

Correct AnswerverifiedShow Answer

Which of the following cells found in increased numbers in the urine sediment is only indicative of nephron damage?

Correct AnswerverifiedShow Answer

Matching Choose the correct microscope part needed to perform the following functions: -Focus light on the specimen

Correct AnswerverifiedShow Answer

Renal tubular epithelial cells from the distal convoluted tubule are smaller than those from the proximal convoluted tubule.

Correct AnswerverifiedShow Answer

The urinary sediment constituent most closely associated with bleeding within the nephron is the:

Correct AnswerverifiedShow Answer

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