Question 1

Quality assessment of control specimens should include:

Accepted Answer

A)  testing of all opened bottles of reagent strips or tablets each morning. 
B)  testing of each new bottle on opening. 
C)  recording data on the record sheet daily. 
D)  all of the above. 
A)  testing of all opened bottles of reagent strips or tablets each morning. 
B)  testing of each new bottle on opening. 
C)  recording data on the record sheet daily. 
D)  all of the above.

Question 2

Match the following potential causes of false-positive or false-negative results with chemical reagent strips.
-the reaction for protein may be produced,if a urine specimen is exceptionally alkaline or highly buffered

Accepted Answer

A) false positive 
B) false negative 
A) false positive 
B) false negative

Question 3

Select the microscopic elements that could be found in normal or abnormal urinary sediment: Few bacteria in a fresh,nonsterile specimen.

Accepted Answer

A)  Normal 
B)  Abnormal 
A)  Normal 
B)  Abnormal

Question 4

Match the terms with the appropriate situations that result in abnormal urine volumes.
-oliguria

Accepted Answer

A) any increase in urine volume, even if the increase is only temporary 
B) complete absence of urine formation 
C) abnormally small amount of urine, less than 500 mL/24 hours 
D) excretion of more 400 mL urine at night 
E) consistent elimination of an abnormally large volume of urine (more than 2000 mL/24 hours) 
A) any increase in urine volume, even if the increase is only temporary 
B) complete absence of urine formation 
C) abnormally small amount of urine, less than 500 mL/24 hours 
D) excretion of more 400 mL urine at night 
E) consistent elimination of an abnormally large volume of urine (more than 2000 mL/24 hours)

Question 5

The major contributing factor to the decomposition of urine is:

Accepted Answer

A)  the growth of bacteria. 
B)  the formation of crystals. 
C)  fading of color. 
D)  change in pH. 
A)  the growth of bacteria. 
B)  the formation of crystals. 
C)  fading of color. 
D)  change in pH.

Question 6

Match the following potential causes of false-positive or false-negative results with chemical reagent strips.
-in the detection of blood in the urine,ascorbic acid in urine specimens containing more than 25 mg/dL

Accepted Answer

A) false positive 
B) false negative 
A) false positive 
B) false negative

Question 7

The first part of the routine urinalysis is the ____ examination.

Accepted Answer

A)  physical 
B)  chemical 
C)  microscopic 
D)  either b or c 
A)  physical 
B)  chemical 
C)  microscopic 
D)  either b or c

Question 8

Match the name of each type of crystal with the appropriate description.
-calcium oxalate

Accepted Answer

A) found in acid urine 
B) envelope-shaped, glistening and colorless 
C) coffin lids 
D) colorless slender needles that are strongly birefringent with polarized light 
E) yellow or reddish-brown shapes (e.g., lemon- or barrel-shaped forms) 
A) found in acid urine 
B) envelope-shaped, glistening and colorless 
C) coffin lids 
D) colorless slender needles that are strongly birefringent with polarized light 
E) yellow or reddish-brown shapes (e.g., lemon- or barrel-shaped forms)

Question 9

Reagent strips will deteriorate if exposed to moisture or heat.

Accepted Answer

A) True 
 B)False

Question 10

Functions of the kidney include all of the following except:

Accepted Answer

A)  removal of waste products. 
B)  processing of nutrients. 
C)  retention of nutrients. 
D)  acid-base, water, and electrolyte balance. 
A)  removal of waste products. 
B)  processing of nutrients. 
C)  retention of nutrients. 
D)  acid-base, water, and electrolyte balance.

Question 11

Match the terms with the appropriate situations that result in abnormal urine volumes.
-diuresis

Accepted Answer

A) any increase in urine volume, even if the increase is only temporary 
B) complete absence of urine formation 
C) abnormally small amount of urine, less than 500 mL/24 hours 
D) excretion of more 400 mL urine at night 
E) consistent elimination of an abnormally large volume of urine (more than 2000 mL/24 hours) 
A) any increase in urine volume, even if the increase is only temporary 
B) complete absence of urine formation 
C) abnormally small amount of urine, less than 500 mL/24 hours 
D) excretion of more 400 mL urine at night 
E) consistent elimination of an abnormally large volume of urine (more than 2000 mL/24 hours)

Question 12

Upon standing,RBCs either swell or become crenated.

Accepted Answer

A) True 
 B)False

Question 13

Match the name of each type of crystal with the appropriate description.
-acyclovir

Accepted Answer

A) found in acid urine 
B) envelope-shaped, glistening and colorless 
C) coffin lids 
D) colorless slender needles that are strongly birefringent with polarized light 
E) yellow or reddish-brown shapes (e.g., lemon- or barrel-shaped forms) 
A) found in acid urine 
B) envelope-shaped, glistening and colorless 
C) coffin lids 
D) colorless slender needles that are strongly birefringent with polarized light 
E) yellow or reddish-brown shapes (e.g., lemon- or barrel-shaped forms)

Question 14

A false-positive urinary glucose result can be observed if:

Accepted Answer

A)  contamination by bleach or other strong oxidizing agents occurs. 
B)  reagent strips are exposed to air by improper storage. 
C)  large urinary concentrations of ascorbic acid are present. 
D)  both a and b occur. 
A)  contamination by bleach or other strong oxidizing agents occurs. 
B)  reagent strips are exposed to air by improper storage. 
C)  large urinary concentrations of ascorbic acid are present. 
D)  both a and b occur.

Question 15

Match the respective type of casts with an associated condition (use an answer only once).
-WBC casts

Accepted Answer

A) exposure to nephrotoxic substances 
B) urinary tract infection 
C) acute pyelonephritis 
D) glomerular damage 
A) exposure to nephrotoxic substances 
B) urinary tract infection 
C) acute pyelonephritis 
D) glomerular damage

Question 16

Select the microscopic elements that could be found in normal or abnormal urinary sediment: 0-5/hpf (high-power field)RBCs.

Accepted Answer

A)  Normal 
B)  Abnormal 
A)  Normal 
B)  Abnormal

Question 17

Match the terms with the appropriate situations that result in abnormal urine volumes.
-polyuria

Accepted Answer

A) any increase in urine volume, even if the increase is only temporary 
B) complete absence of urine formation 
C) abnormally small amount of urine, less than 500 mL/24 hours 
D) excretion of more 400 mL urine at night 
E) consistent elimination of an abnormally large volume of urine (more than 2000 mL/24 hours) 
A) any increase in urine volume, even if the increase is only temporary 
B) complete absence of urine formation 
C) abnormally small amount of urine, less than 500 mL/24 hours 
D) excretion of more 400 mL urine at night 
E) consistent elimination of an abnormally large volume of urine (more than 2000 mL/24 hours)

Question 18

Urine should be examined ____ collection.

Accepted Answer

A)  immediately after 
B)  within 30 minutes, if not refrigerated or suitably preserved at 
C)  within 2 hours if kept at room temperature after 
D)  within 24 hours if refrigerated after 
A)  immediately after 
B)  within 30 minutes, if not refrigerated or suitably preserved at 
C)  within 2 hours if kept at room temperature after 
D)  within 24 hours if refrigerated after

Quality assessment of control specimens should include:

Match the following potential causes of false-positive or false-negative results with chemical reagent strips. -the reaction for protein may be produced,if a urine specimen is exceptionally alkaline or highly buffered

Select the microscopic elements that could be found in normal or abnormal urinary sediment: Few bacteria in a fresh,nonsterile specimen.

Match the terms with the appropriate situations that result in abnormal urine volumes. -oliguria

The major contributing factor to the decomposition of urine is:

Match the following potential causes of false-positive or false-negative results with chemical reagent strips. -in the detection of blood in the urine,ascorbic acid in urine specimens containing more than 25 mg/dL

The first part of the routine urinalysis is the ____ examination.

Match the name of each type of crystal with the appropriate description. -calcium oxalate

Reagent strips will deteriorate if exposed to moisture or heat.

Functions of the kidney include all of the following except:

Match the terms with the appropriate situations that result in abnormal urine volumes. -diuresis

Upon standing,RBCs either swell or become crenated.

Match the name of each type of crystal with the appropriate description. -acyclovir

A false-positive urinary glucose result can be observed if:

Match the respective type of casts with an associated condition (use an answer only once). -WBC casts

Select the microscopic elements that could be found in normal or abnormal urinary sediment: 0-5/hpf (high-power field)RBCs.

Match the terms with the appropriate situations that result in abnormal urine volumes. -polyuria

Urine should be examined ____ collection.

Fundamentals of the Clinical Laboratory

Safety in the Clinical Laboratory

Quality Assessment and Quality Control in the Clinical Laboratory

Phlebotomy: Collecting and Processing Blood

The Microscope

Systems of Measurement, laboratory Equipment, and Reagents

Laboratory Mathematics and Solution Preparation

Basic and New Techniques in the Clinical Laboratory

Delivery of Laboratory Testing From Point of Care to Total Automation

Introduction to Clinical Chemistry

Principles and Practice of Clinical Hematology

Introduction to Hemostasis

Examination of Body Fluids and Miscellaneous Specimens

Introduction to Microbiology

Immunology and Serology

Immunohematology and Transfusion Medicine

Filters

Exam 13: Renal Physiology and Urinalysis

Quality assessment of control specimens should include:

Match the following potential causes of false-positive or false-negative results with chemical reagent strips. -the reaction for protein may be produced,if a urine specimen is exceptionally alkaline or highly buffered

Select the microscopic elements that could be found in normal or abnormal urinary sediment: Few bacteria in a fresh,nonsterile specimen.

Match the terms with the appropriate situations that result in abnormal urine volumes. -oliguria

The major contributing factor to the decomposition of urine is:

Match the following potential causes of false-positive or false-negative results with chemical reagent strips. -in the detection of blood in the urine,ascorbic acid in urine specimens containing more than 25 mg/dL

The first part of the routine urinalysis is the ____ examination.

Match the name of each type of crystal with the appropriate description. -calcium oxalate

Reagent strips will deteriorate if exposed to moisture or heat.

Functions of the kidney include all of the following except:

Match the terms with the appropriate situations that result in abnormal urine volumes. -diuresis

Upon standing,RBCs either swell or become crenated.

Match the name of each type of crystal with the appropriate description. -acyclovir

A false-positive urinary glucose result can be observed if:

Match the respective type of casts with an associated condition (use an answer only once). -WBC casts

Select the microscopic elements that could be found in normal or abnormal urinary sediment: 0-5/hpf (high-power field)RBCs.

Match the terms with the appropriate situations that result in abnormal urine volumes. -polyuria

Urine should be examined ____ collection.

Fundamentals of the Clinical Laboratory

Safety in the Clinical Laboratory

Quality Assessment and Quality Control in the Clinical Laboratory

Phlebotomy: Collecting and Processing Blood

The Microscope

Systems of Measurement, laboratory Equipment, and Reagents

Laboratory Mathematics and Solution Preparation

Basic and New Techniques in the Clinical Laboratory

Delivery of Laboratory Testing From Point of Care to Total Automation

Introduction to Clinical Chemistry

Principles and Practice of Clinical Hematology

Introduction to Hemostasis

Examination of Body Fluids and Miscellaneous Specimens

Introduction to Microbiology

Immunology and Serology

Immunohematology and Transfusion Medicine

Filters