Deck 22: Microscopic Examination of Urine

Question 1

All formed elements are identified and counted for reporting while being viewed under the high-power outcome.

Answer 1

False
Some formed elements are examined and reported under low power (using the 10x objective) and some under high power (using the 40x objective).

Question 2

Only bacilli bacteria are present in urine specimens.

Answer 2

False
Cocci are also commonly visualized in urine specimens.

Question 3

The terms used to describe types of epithelial cells refer to the area in which they _________within the urinary tract.

Answer 3

originate

Question 4

A cast is primarily made of:

A)Air bubbles
B)Cholesterol
C)Protein
D)None of the above

Question 5

The supernatant is viewed under the microscope for a urine microscopic procedure.

Question 6

Large amounts of mucus in the urine specimen may produce a positive __________result on the urine dipstick.

Question 7

Visualization of one hyaline cast per low power field is indicative of a pathological condition.

Question 8

The presence of formed elements in the urine specimen is always indicative of a pathological condition.

Question 9

Exposure to large amounts of xylene may be evident by the presence of ____________crystals.

Question 10

The supernatant is the part of the urine specimen that is discarded after centrifugation to prepare for a urine microscopic examination.

Question 11

Which of these is an example of a clinically significant urine microscopic result?

A)A moderate amount of mucus
B)Rare squamous epithelial cells
C)0-5 WBC/hpf
D)Many bacteria/hpf

Question 12

Which of these are part of the quality-assurance factors to be considered when performing urine microscopic examinations?

A)Correct specimen storage
B)Correct specimen volume
C)Performance of maintenance procedures on the microscope
D)All of the above

Question 13

The pH of a urine specimen kept at room temperature for 2 hours may increase.

Question 14

Quality assurance for urine microscopy includes separation of the urine _________correctly.

Question 15

A culture may be added when this type of formed element is identified in the urine microscopic examination:

A)Artifact
B)Parasite
C)Uric acid crystals
D)Bacteria

Question 16

When viewing the urine specimen in the microscope using the low power magnification (10x), the light is increased to maximum brightness for better visualization.Completion
Complete each statement.

Question 17

Which of these crystals is present in acidic urine specimens?

A)Amorphous phosphates
B)Triple phosphate
C)Uric acid
D)Cholesterol crystals

Question 18

Which of these microscope objectives is not used when examining urine sediment?

A)10x
B)100x
C)40x
D)None of the above

Question 19

Artifacts in the urine specimen may be minimized with proper collection technique.

Question 20

An example of an artifact commonly visualized as part of a urine microscopic examination is:

A)Fecal material
B)Bacteria
C)Parasites
D)Mucus

Question 21

What is placed on top of the urine sediment once it is placed on the slide before it is viewed under the microscope?

Question 22

Appropriate _________of the microscope is part of the quality-control processes for urine microscopy.Short Answer

Question 23

Why are the spermatozoa not as motile in a urine specimen as they are in a semen specimen?

Question 24

Is the oil immersion objective used for examination of urine sediment?