Answer: (A) Advanced age
Explanation:
Pneumonia is a kind of infection that causes the inflammation of the air sacs of lungs. This results in the deposition of the air sacs with pus or fluid, which results in symptoms of fever, pus, cough and difficulty in breathing. A variety of organisms such as fungi, viruses and bacteria can cause pneumonia.
Pneumonia can affect any human being but severe symptoms develops in infants, people of old age, and people suffering from diseases. As these people are likely to have weak immune system.
Among the options given, advance age is the correct option, this is because of the fact that the person is obese 85 year old although his diet is healthy but due to lack of immunity in the older age the risk of development of pneumonia will be the greatest.
