N3a TNM staging of head and neck tumors (AJCC 8th edition) shows:
AMetastasis in a lymph node >6 cm
BMetastasis in lymph nodes >2 cm
CMetastasis in lymph nodes >5 cm
DNone of the options
If a biochemical test gives the same reading for a sample on repeated testing, it is inferred that the measurement is -
ASpecific
BAccurate
CSensitive
DPrecise
Which imaging modality is most sensitive for detecting early ischemic stroke?
AUltrasound
BPET scan
CCT
DMRI with DWI
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