Dry husky cough and infection in the lungs are the symptoms of _______.

Q. Which of the following statement(s) regarding pneumonia is/are correct?
I. Only bacterial infection leads to pneumonia.
II. There are various forms of pneumonia that tend to cause an excessive build-up of mucus in the lungs.
III. Oxygen does not easily diffuse into the blood and carbon dioxide cannot diffuse out easily is one of the effects of pneumonia.
IV. Difficulty in breathing, fever, chills, cough and headache are a group of symptoms that indicate pneumonia.

Q. A doctor identifies symptoms of nasal congestion, headache, sore throat, hoarseness and cough in a patient is infected by a pathogen

Q. A doctor identifies symptoms of nasal congestion, headache, sore throat, hoarseness, cough in a patient. The conclusion is that the patient is infected by a pathogen.

Q. What are the symptoms of a urinary tract infection?