The quizzes about Introduction to Urinalysis (21 questions)

The primary chemical constituents of normal urine are:

Protein, sodium, and water

Urea, water, and protein

Urea, chloride, and water

Urea, bilirubin, and glucose

An unidentified fluid is received in the laboratory with a request to determine if the fluid is urine or another body fluid. Using routine laboratory tests, what tests would determine that the fluid is most probably urine?

Glucose and ketones

Urea and creatinine

Uric acid and amino acids

Protein and amino acids

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

200–400 mL

600–1000 mL

1000–1500 mL

Over 1500 mL

A patient presenting with polyuria, nocturia, polydipsia, and a high urine specific gravity is exhibiting symptoms of what disorder?

Diabetes insipidus

Diabetes mellitus

Urinary tract infection

Uremia

Disposable containers with a capacity of 50 mL are recommended for the collection of specimens for routine urinalysis.

True

False

The correct method for labeling urine specimen containers is to:

Attach the label to the lid

Attach the label to the bottom

Attach the label to the container

Use only a wax pencil for labeling

A urine specimen for routine urinalysis would be rejected by the laboratory because:

The specimen had been refrigerated

More than 50 mL was in the container

The specimen and accompanying requisition did not match

The label was placed on the side of the container

An unpreserved specimen collected at 8 a.m. and remaining at room temperature until the afternoon shift arrives can be expected to have: 1. Decreased glucose and ketones 2. Increased bacteria and nitrite 3. Decreased pH and turbidity 4. Increased cellular elements

1, 2, and 3

1, 2, and 4

1 and 2 only

4 only

A specimen containing precipitated amorphous urates may have been preserved using:

Boric acid

Chloroform

Formalin

Refrigeration

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

Decreased bacteria, decreased red blood cells, decreased casts

Increased bacteria, increased red blood cells, increased casts

Increased bacteria, decreased red blood cells, decreased casts

Decreased bacteria, increased red blood cells, increased casts

What is the method of choice for preservation of routine urinalysis samples?

Boric acid

Formalin

Refrigeration

Sodium fluoride

For best preservation of urinary sediments, the preservatives of choice are:

Boric acid and thymol

Formalin and sodium fluoride

Toluene and freezing

Chloroform and refrigeration

What chemical can be used to preserve a specimen for a culture and a routine urinalysis?

Boric acid

Formalin

Sodium fluoride

Thymol

A properly labeled urine specimen for routine urinalysis delivered to the laboratory in a gray-top blood collection tube can be tested.

True

False

What is the specimen of choice for routine urinalysis?

Fasting specimen

First morning specimen

Random specimen

24-Hour specimen

Quantitative urine tests are performed on:

First morning specimens

Timed specimens

Midstsream clean-catch specimens

Suprapubic aspirations

Three types of urine specimens that would be acceptable for culture to diagnose a bladder infection include all of the following except:

Catheterized

Midstream clean-catch

Random

Suprapubic aspiration

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

Clean-catch specimen

Fasting specimen

First morning specimen

24-Hour specimen

Cessation of urine flow is termed:

Anuria

Azotemia

Diuresis

Dysuria

Persons taking diuretics can be expected to produce:

Oliguria

Polyuria

Proteinuria

Pyuria

What type of urine specimen should be collected from a patient who complains of painful urination and the physician has ordered a routine urinalysis and urine culture?

Random

First morning

Fasting

Midstream clean-catch

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The quizzes about Introduction to Urinalysis (21 questions)

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The primary chemical constituents of normal urine are:

An unidentified fluid is received in the laboratory with a request to determine if the fluid is urine or another body fluid. Using routine laboratory tests, what tests would determine that the fluid is most probably urine?

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

A patient presenting with polyuria, nocturia, polydipsia, and a high urine specific gravity is exhibiting symptoms of what disorder?

Disposable containers with a capacity of 50 mL are recommended for the collection of specimens for routine urinalysis.

The correct method for labeling urine specimen containers is to:

A urine specimen for routine urinalysis would be rejected by the laboratory because:

An unpreserved specimen collected at 8 a.m. and remaining at room temperature until the afternoon shift arrives can be expected to have: 1. Decreased glucose and ketones 2. Increased bacteria and nitrite 3. Decreased pH and turbidity 4. Increased cellular elements

A specimen containing precipitated amorphous urates may have been preserved using:

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

What is the method of choice for preservation of routine urinalysis samples?

For best preservation of urinary sediments, the preservatives of choice are:

What chemical can be used to preserve a specimen for a culture and a routine urinalysis?

A properly labeled urine specimen for routine urinalysis delivered to the laboratory in a gray-top blood collection tube can be tested.

What is the specimen of choice for routine urinalysis?

Quantitative urine tests are performed on:

Three types of urine specimens that would be acceptable for culture to diagnose a bladder infection include all of the following except:

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

Cessation of urine flow is termed:

Persons taking diuretics can be expected to produce:

What type of urine specimen should be collected from a patient who complains of painful urination and the physician has ordered a routine urinalysis and urine culture?

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