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Urinalysis and Body Fluids MLS Review- Questions and Answers (100% Pass)
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Urinalysis and Body Fluids MLS Review- Questions and Answers (100% Pass)
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1|Page | © copyright 2024/2025 | Grade A+Urinalysis and Body Fluids MLS
Review- Questions and Answers
(100% Pass)
Urine Specimens- Random
✓ use: routine urinalysis (UA)
✓ collection: anytime
✓ other: not ideal since urine may be dilute or contaminated
Urine Specimens- First am
✓ use: Routine UA
✓ collection: upon awakening
✓ other: best for screening- most concentrated
Urine Specimens- 2 hr postprandial
✓ use: Diabetes mellitus monitoring
✓ collection: 2hr after eating
✓ other: best for detecting glycosuria
Urine Specimens- 24-hr
Master01 | October, 2024/2025 | Latest update
, 1|Page | © copyright 2024/2025 | Grade A+
✓ use: Quantitative chemistry tests
✓
✓ collection: Discard 1st void on day 1 & note time.
✓ Collect all urine for next 24 hr, including first void at same time on day 2
✓
✓ other: Improper collection is common source of error. Refrigerate or
keep on ice. Preservatives required for some tests.
Urine Specimens- Clean Catch
✓ use: routine, culture
✓ collection: Cleanse external genitalia & collect midstream in sterile cup
✓ other: less contamination. do culture before UA
Urine Specimens- Catheterized
✓ use: culture
✓ collection: catheter inserted into urethra
✓ other: avoids contamination
Urine Specimens- Suprapubic aspiration
Master01 | October, 2024/2025 | Latest update
, 1|Page | © copyright 2024/2025 | Grade A+
✓ Use: culture
✓ collection: needle inserted through abdomen into bladder
✓ other: avoids contamination
Normal Daily Urine Volume
✓ 600ml - 2000ml (average 1,200-1,500mL)
Normal Day to Night ratio (urine)
✓ 2:1-3:1
exocrine function of kidney
✓ elimination of metabolic waste products
Diuresis
✓ increase urine production
Polyuria
Master01 | October, 2024/2025 | Latest update
, 1|Page | © copyright 2024/2025 | Grade A+
✓ excessive production of urine
✓
✓ Adult: >2,500mL daily
✓ Children: 2.5-3mL/kg/day
Oliguria
✓ Decreased urine output
✓
✓ Adult: <400mL/day
✓ Children: <0.5mL/kg/hr
✓ Infants: <1mL/kg/hr
Anuria
✓ no urine production
Normal Urine color
✓ yellow due to urochrome
Dilute urine color
Master01 | October, 2024/2025 | Latest update
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