Microscopic Examination of Urine [STRASINGER] Practice Questions and Correct Answers
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Course
Strasinger
Institution
Strasinger
Macroscopic screening of urine specimens is used to __________.
a.) provide results as soon as possible. b.) predict the type of urinary casts present. c.) increase cost-effectiveness of urinalysis. d.) decrease the need for polarized microscopy. a.) provide results as soon as possible.
Variation...
Microscopic Examination of Urine
[STRASINGER] Practice Questions and
Correct Answers
Macroscopic screening of urine specimens is used to __________.
a.) provide results as soon as possible.
b.) predict the type of urinary casts present.
c.) increase cost-effectiveness of urinalysis.
d.) decrease the need for polarized microscopy. ✅a.) provide results as soon as
possible.
Variations in the microscope analysis of urine include all of the following except:
a.) Preparation of the urine sediment.
b.) Amount of sediment analyzed.
c.) Method of reporting.
d.) Identification of formed elements. ✅d.) Identification of formed elements.
All of the following can cause false-negative microscope results except:
a.) Braking the centrifuge.
b.) Failing to mix the specimen.
c.) Dilute alkaline urine.
d.) Using midstream clean-catch specimens. ✅c.) Dilute alkaline urine.
The two factors that determine relative centrifugal force are __________ and
__________.
a.) radius of rotor head; RPM
b.) radius of rotor head; time of centrifugation
c.) diameter of rotor head; RPM
d.) RPM; time of centrifugation ✅c.) diameter of rotor head; rpm.
When using the glass slide and coverslip method, which of the following might be
missed if the coverslip is overflowed?
a.) Casts
b.) RBCs
c.) WBCs
d.) Bacteria ✅a.) Casts
, Initial screening of the urine sediment is performed using an objective power of
__________.
a.) 4X
b.) 10X
c.) 40X
d.) 100X ✅b.) 10X
Which of the following should be used to reduce light intensity in bright-field
microscopy?
a.) centering screws
b.) aperture diaphragm
c.) rheostat
d.) condenser aperture diaphragm ✅c.) rheostat
Which of the following are reported as number per LPF?
a.) RBCs
b.) WBCs
c.) Crystals
d.) Casts ✅d.) Casts
The Sternheimer-Malbin stain is added to urine sediments to do all of the following
except:
a.) Increase visibility of sentiment constituents.
b.) Change the constituents refractive index.
c.) Decrease precipitation of crystals.
d.) Delineate constituent structures. ✅c.) Decrease precipitation of crystals.
Nuclear detail can be enhanced by __________.
a.) prussian blue
b.) toluidine blue
c.) acetic acid
d.) both toluidine and acetic acid ✅d.) both toluidine and acetic acid
Which of the following lipids is/are stained by Sudan III?
a.) Cholesterol
b.) Neutral fats
c.) Triglycerides
d.) Both neutral fats and triglycerides ✅d.) Both neutral fats and triglycerides
Which of the following lipids is/are capable of polarizing light?
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