August-2018 Medical Surgical Nursing – I SECTION -II 1.Long Essay: (Answer Any One) 2+5+8-15 💟(a) Define Pulmonary Tuberculosis. Pulmonary tuberculosis (TB) is a contagious bacterial infection caused by Mycobacterium tuberculosis that primarily affects the lungs. It spreads through respiratory droplets when an infected person coughs, sneezes, or talks. Symptoms of pulmonary TB include a persistent cough, chest pain, coughing up blood or sputum, fatigue, weight loss, fever, and night sweats.