An old person complained of actue pain in the stomch. Doctor gave him a small antacid table and he got immediate relief. What actually happened ?

In severe cold weather, a family burnt wood in the room during the night by keeping the windows close. After sometime, they felt suffocated. They immediately opened the windows and got relief. What did actually happen ?

A person has congestion of the lungs. His doctor adviced him to take bed rest and prescribed him an inhaler. What disease he is suffersing from ? List the symptions for the disease.

A person gives 10% to his wife 10% of the remaining to a hospital (as a donation) again 10% of the remaining to prime minister's relief. Then he has only 7290 Rs. With him. What was the initial sum of money with that person ?

A person injured in a road accident and requiring and urgent immune response was brought to a doctor. (a) What did the doctor immediately do? (b) What kind of an immunity was he providing to the patient. (c) Define this kine of immunity.