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Question 57 / 280
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CLINICALPATHOLOGY-22
SPERM DNA FRAGMENTATION (SDF) testing evaluates the integrity of DNA within spermatozoa. What is the most commonly used test for sperm DNA fragmentation in clinical practice?
A. TUNEL assay (TdT-mediated dUTP nick-end labeling)
B. SPERM CHROMATIN STRUCTURE ASSAY (SCSA) — measures DFI (DNA Fragmentation Index)
C. Comet assay (single-cell gel electrophoresis)
D. All three are equally used and identical in result
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