Human Health And Diseases Ques 47
47. Common cold differs from pneumonia in that:
[2012]
(a) Pneumonia is a communicable disease whereas the common cold is a viral infection.
(b) Pneumonia can be prevented by a live attenuated viral vaccine whereas the common cold has no effective vaccine.
(c) Pneumonia is caused by a virus while the common cold is caused by a virus, not a bacterium.
(d) Pneumonia pathogen infects alveoli whereas the common cold affects nose and respiratory passage but not the lungs.
Show Answer
Answer : d
Hints & Solutions
(d) Common cold is the most infectious viral disease caused by rhinoviruses which is transmitted through inhalation of droplets from infected person or through contaminated objects. Pneumonia is a bacterial disease caused by Streptococcus pneumoniae and Haemophillus influenzae. This serious disease of lungs is spread by sputum of the patient.