Urinalysis and Body Fluids Questions and Correct Answers | Latest Update
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Course
Urinalysis and body fluids
Institution
Urinalysis And Body Fluids
Which urine color is correlated correctly with the pigment-producing substance?
-:- Deep yellow urine and yellow foam with bilirubin
Which statement best describes the clinical utility of tests for microalbuminuria?
-:- Testing may detect early renal involvement in diabetes mellitus
The norma...
Urinalysis and Body Fluids Questions and
Correct Answers | Latest Update
Which urine color is correlated correctly with the pigment-producing substance?
✓ -:- Deep yellow urine and yellow foam with bilirubin
Which statement best describes the clinical utility of tests for microalbuminuria?
✓ -:- Testing may detect early renal involvement in diabetes mellitus
The normal renal threshold for glucose is:
✓ -:- 165-180 mg/dL
In which of the following conditions is glycosuria most likely?
✓ -:- pregnancy
A negative glucose oxidase test and a positive test for reducing sugars indicate:
✓ -:- The presence of a nonglucose reducing sugar such as galactose
Which of the following results is discrepant?
✓ -:- Negative blood but 6-10 RBCs/high power field
Which statement about the dry reagent strip test for leukocytes is true?
✓ -:- The reaction is based upon the hydrolysis of substrate by WBC esterases
Which of the following statements regarding WBCs in urinary sediment is true?
✓ -:- WBC casts indicate that pyuria is of renal rather than lower urinary origin
Oval fat bodies are often seen in:
✓ -:- Nephrotic syndrome
All of the following statements regarding urinary casts are true except:
✓ -:- Casts can be seen in significant numbers even when protein tests are negative
The mucoprotein that forms the matrix of a hyaline cast is called:
A sediment with moderate hematuria and RBC casts most likely results from:
✓ -:- Acute glomerulonephritis
Which type of casts signals the presence of chronic renal failure?
✓ -:- Waxy casts
When examining urinary sediment, which of the following is considered an abnormal finding?
✓ -:- 0-1 renal cell casts per low power field
Which of the following crystals is considered nonpathological?
✓ -:- Ammonium biurate
At which pH are ammonium biurate crystals usually found in urine?
✓ -:- Alkaline urine only
Which statement about renal calculi is true?
✓ -:- Calcium oxalate and calcium phosphate account for about three quarters of all
stones
A clean-catch urine is submitted to the laboratory for routine urinalysis and culture. The
routine urinalysis is done first, and 3 hours later, the specimen is sent to the microbiology
department for culture. The specimen should:
✓ -:- Be rejected due to the time delay
Which of the following urine results is most apt to be changed by prolonged exposure to
light?
✓ -:- Bilirubin
Urine samples should be examined within 1 hour of voiding because:
✓ -:- Bacterial contamination will cause alkalinization of the urine
Urine osmolality is related to:
✓ -:- Specific Gravity
A urine's specific gravity is directly proportional to its:
2|P a g e | G r a d eA + | 2 0 2 0 2 5
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