This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pathology
[{'content': 'The pulseless disease is - \nSelect and explain. \nA. Giant cell arteritis, B. Takayasu arteritis, C. Kawasaki disease, D. Polyarteritis nodosa', 'role': 'user'}, {'content': "Answer: B \nExplanation: Takayasu arteritis\n\nTakayasu arteritis is granulomatous vasculitis of large and medium arteries.\nIt is characterized principally by ocular disturbance and marked weakening of pulses in the upper extremities Pulseless disease.\nIt is also characterized by a strong predilection for aortic arch and its branches → Aortic arch syndrome.\nIt is more common in Adolescent girls and young women.\nMorphological changes in vessel wall are same as in giant cell arteritis.\n\nClinical presentation\n\nSymptoms are mainly according to the involved vessel -\n\tC Subclavian artery :\nMost commonly involved vessel\nSymptoms are - Arm claudication, lower BP and weaker pulse in upper limb than in lower limb, Raynaud's phenomenon.\nCommon carotid → Visual disturbances, stroke, TIA, syncope.\nAbdominal aorta or coeliac artery or superior mesenteric artery → Abdominal pain, nausea, vomiting\n\n\n\nRenal\xa0→\xa0Hypertension, Renal failure\nAortic root\xa0\xa0→\xa0Aortic regurgitation, CHF\nVertebral\xa0→\xa0Visual disturbances\nIliac\xa0→\xa0Leg claudication\nPulmonary\xa0→ Pulmonary hypertension, dysnea, chest pain.\nCoronary → Angina, MI\nConstitutional symptoms\xa0→ As with other vasculitis malaise, fatigue, anorexia and weight loss are common.\nElevated ESR and Anemia (as with other vasculitis)", 'role': 'assistant'}]