MLS
MLS ASCP Certification Exam
Questions with Correct Verified
Answers Latest Update
(2024/2025) Guaranteed Pass
1. To determine peak levels, collect specimens after: - ANS ✓-IV:15-
30 minutes
IM: >2 hours
Oral: 1-2 hours
2. Bacitracin test can also be used to differentiate: - ANS
✓bacitracin-resistant Staphylococcus from bacitracin-susceptible
Micrococcus
3. Primary marker for distinguishing pyelonephritis (upper UTI)
from cystitis (lower UTI) - ANS ✓WBC cast
4. Waxy casts are more easily visualized than hyaline casts because
of their: - ANS ✓higher refractive index
5. associated with prolonged vomiting - ANS ✓Metabolic Alkalosis
(Cl- loss so HCO3- retention)
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6. Associated with severe diarrhea: - ANS ✓Metabolic Acidosis-losing
bicarb..also associated with salicylate poisoning and diabetic
ketoacidosis
7. Disease associated with echinocytes? Artifact? - ANS ✓Uremia;
didn't dry blood fast enough or completely
8. The parathyroid gland releases PTH to __________ Ca2+ and
____PO4- - ANS ✓increase ; eliminate
9. PT, PTT and TT are all high - ANS ✓Fibrinogen
10. Nontreponemal test for syphilis - ANS ✓CSF VDRL
11. Cushing's - ANS ✓
12. Donor Requirements: - ANS ✓-Every 8 weeks (x2 if dbl unit)
or >2 days after plateletpheresis
-pulse 50-100
-Temp </= 37.5C/99.5F
-Hgb/Hct: >/= 12.5, 38%
Auto >/= 11, 33%
13. P. mirabilis is indole ___ , P. vulgaris is indole ___ - ANS
✓neg; pos
14. Mothball ingestion causes: - ANS ✓Heinz bodies
Hemoglobinuria
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