B超声像图中,能形成强回波,其后方留有声影的是()In the B ultrasound image, what can form a shadow is()
A.脂肪Fat
B.膀胱Bladder
C.骨骼Bone
D.结石Lithiasis
E.癌变组织Cancerous tissue
正确答案:结石Lithiasis
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