noun
national examination; state exam
Abbreviation of 国家試験. Commonly refers to national qualifying exams for medical professionals (doctors, dentists, nurses, etc.), but can also apply to other licensed professions.
See also: 国家試験
医師になるには国試に合格しなければならない。
To become a doctor, you must pass the national examination.
今年の国試は難しかったらしい。
I heard this year's national exam was difficult.