The quizzes about Introduction to Urinalysis (21 questions)

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The quizzes about Introduction to Urinalysis (21 questions)
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Select the one best response to each question!

The primary chemical constituents of normal urine are:


1. The primary chemical constituents of normal urine are:
A. Protein, sodium, and water
B. Urea, water, and protein
C. Urea, chloride, and water
D. Urea, bilirubin, and glucose
2. 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. Glucose and ketones
B. Urea and creatinine
C. Uric acid and amino acids
D. Protein and amino acids
3. A person exhibiting oliguria would have a daily urine volume of:
A. 200–400 mL
B. 600–1000 mL
C. 1000–1500 mL
D. Over 1500 mL
4. A patient presenting with polyuria, nocturia, polydipsia, and a high urine specific gravity is exhibiting symptoms of what disorder?
A. Diabetes insipidus
B. Diabetes mellitus
C. Urinary tract infection
D. Uremia
5. True or False: Disposable containers with a capacity of 50 mL are recommended for the collection of specimens for routine urinalysis.
6. The correct method for labeling urine specimen containers is to:
A. Attach the label to the lid
B. Attach the label to the bottom
C. Attach the label to the container
D. Use only a wax pencil for labeling
7. A urine specimen for routine urinalysis would be rejected by the laboratory because:
A. The specimen had been refrigerated
B. More than 50 mL was in the container
C. The specimen and accompanying requisition did not match
D. The label was placed on the side of the container
8. 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. 1, 2, and 3
B. 1, 2, and 4
C. 1 and 2 only
D. 4 only
9. A specimen containing precipitated amorphous urates may have been preserved using:
A. Boric acid
B. Chloroform
C. Formalin
D. Refrigeration
10. What three changes will affect the results of the microscopic examination of urine if it is not tested
within 2 hours?
A. Decreased bacteria, decreased red blood cells, decreased casts
B. Increased bacteria, increased red blood cells, increased casts
C. Increased bacteria, decreased red blood cells, decreased casts
D. Decreased bacteria, increased red blood cells, increased casts
11. What is the method of choice for preservation of routine urinalysis samples?
A. Boric acid
B. Formalin
C. Refrigeration
D. Sodium fluoride
12. For best preservation of urinary sediments, the preservatives of choice are:
A. Boric acid and thymol
B. Formalin and sodium fluoride
C. Toluene and freezing
D. Chloroform and refrigeration
13. What chemical can be used to preserve a specimen for a culture and a routine urinalysis?
A. Boric acid
B. Formalin
C. Sodium fluoride
D. Thymol
14. True or False: A properly labeled urine specimen for routine urinalysis delivered to the laboratory in a gray-top blood collection tube can be tested.
15. What is the specimen of choice for routine urinalysis?
A. Fasting specimen
B. First morning specimen
C. Random specimen
D. 24-Hour specimen
16. Quantitative urine tests are performed on:
A. First morning specimens
B. Timed specimens
C. Midstsream clean-catch specimens
D. Suprapubic aspirations
17. Three types of urine specimens that would be acceptable for culture to diagnose a bladder infection include all of the following except:
A. Catheterized
B. Midstream clean-catch
C. Random
D. Suprapubic aspiration
18. A negative urine pregnancy test performed on a random specimen may need to be repeated using a:
A. Clean-catch specimen
B. Fasting specimen
C. First morning specimen
D. 24-Hour specimen
19. Cessation of urine flow is termed:
A. Anuria
B. Azotemia
C. Diuresis
D. Dysuria
20. Persons taking diuretics can be expected to produce:
A. Oliguria
B. Polyuria
C. Proteinuria
D. Pyuria
21. 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?
A. Random
B. First morning
C. Fasting
D. Midstream clean-catch

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