Piliin sa kolum B. Ang tamang katawagan na binibigyang kahulugan sa bawat pangungusap sa kolum A.--Need ko na po Ng answer

thrombocytopenia, which is a deficiency in blood platelets, can cause bleeding and bruising in the dermis similar to senile purpura. other possible causes include: exposure to ultraviolet rays and aging skin are common causes of senile purpura. senile purpura may also be a sign of collagen loss in the skin and bones.