This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: FMGE 2018, Subject name: Pathology
[{'content': 'Hea failure cells are:- \nSelect and explain. \nA. Lipofuscin granules in cardiac cells, B. Pigmented hepatocytes, C. Pigmented alveolar marcophages, D. Pigmented cells in pancreas', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Hea failure cells are seen in lungs. Pathogenesis:- Left ventricular hea failure | Stasis of blood in left side chambers | Blood backing up in pulmonary circulation | Pulmonary edema | Red cells and plasma proteins extravasate into the edema fluid with in alveolar spaces | Phagocytosed and digested by macrophages | Hemosiderin - laden macrophages', 'role': 'assistant'}]