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Exam (elaborations)

Urinalysis & Body Fluids CLS Questions and Answers (100% Pass)

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  • Course
  • Urinalysis
  • Institution
  • Urinalysis

Urinalysis & Body Fluids CLS Questions and Answers (100% Pass)

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  • October 30, 2024
  • 93
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • Urinalysis
  • Urinalysis
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1|Page | © copyright 2024/2025 | Grade A+




Urinalysis & Body Fluids CLS
Questions and Answers (100% Pass)
1. After receiving a 24-hour urine for quantitative total protein analysis, the

technician must first:


A. subculture the urine for bacteria


B. add the appropriate preservative


C. screen for albumin using a dipstick


D. measure the total volume1.


✓ D




2. False results in urobilinogen testing may occur if the urine specimen is:


A. exposed to light


B. adjusted to a neutral light


C. cooled to room temp


D. collected in a non sterile container


✓ A




Master01 | October, 2024/2025 | Latest update

, 1|Page | © copyright 2024/2025 | Grade A+

3. A clean catch urine is submitted to the lab for routine urinalysis and culture.

The routine urinalysis is done first, and 3 hours later, the specimen is sent to

micro for culture. The specimen should:


A. be centrifuged, and the supernatant cultured


B. be rejected due to the time delay


C. not be cultured if no bacteria are seen


D. be processed for culture only if the nitrate is positive


✓ B




4. Which of the following urine results is most apt to be changed by prolonged

exposure to light?


A. pH


B. protein


C. ketones


D. bilirubin


✓ D




5. Urine samples should be examined within 1 hour of voiding because:


A. RBCs, leukocytes and casts agglutinate on standing for several hours at

room temp


Master01 | October, 2024/2025 | Latest update

, 1|Page | © copyright 2024/2025 | Grade A+

B. urobilinogen increases and bilirubin decreases after prolonged exposure to

light


C. bacterial contamination will cause alkalization of the urine


D. ketones will increase due to bacterial and cellular metabolism


✓ C




6. The following results were obtained on a urine specimen at 8 AM


pH: 5.5


protein: 2+


glucose: 3+


ketones: 3+


blood: neg


bilirubin: pos


nitrite: pos


If this urine specimen was stored uncapped at 5 C without preservatives and

retested at 2PM, which of the following test results would be changed due to

the storage conditions:


A. glucose


B. ketones


C. protein

Master01 | October, 2024/2025 | Latest update

, 1|Page | © copyright 2024/2025 | Grade A+

D. nitrite


✓ B




7. A urine specimen come to the lab 7 hours after it is obtained. I t is

acceptable for culture only if the specimen has been stored:


A. at room temp


B. at 4-7 C


C. frozen


D. with a preservative additive


✓ B




8. Which of the following would be affected by allowing a urine specimen at

room temp 3 hours before analysis?


A. occult blood


B. specific gravity


C. pH


D. protein


✓ C




Master01 | October, 2024/2025 | Latest update

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