1. An ultrasound measurement apparatus comprising: a vascular wall tracking unit which tracks the position of a vascular wall of a blood vessel in a biological tissue on the basis of a reflected wave signal of an ultrasonic wave radiated toward the living body; a determination unit which determines whether or not the blood vessel to be tracked is an artery on the basis of whether or not positional change of the vascular wall to be tracked is positional change of a vascular wall of an artery; and a report unit which reports the determination result of the determination unit.