Zoology - Human Health and Diseases Question with Solution | TestHub
A man is suffering from a severe disease which includes symptoms like chills, fever and cough. On close inspection, it is found his fingernails have turned blue. An x-ray of his lungs showed an accumulation of fluid in them. Which of the following pathogens is the causative agent for this disease?
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Solution:
Bacteria likeStreptococcus pneumoniae andHaemophilus influenzaeare responsible for the disease pneumonia in humans which infects the alveoli (air filled sacs) of the lungs. As a result of the infection, the alveoli get filled with fluid leading to severe problems in respiration. The symptoms of pneumonia include fever, chills, cough and headache. In severe cases, the lips and fingernails may turn gray to bluish in colour. A healthy person acquires the infection by inhaling the droplets/aerosols released by an infected person or even by sharing glasses and utensils with an infected person. Dysentery, plague, diphtheria, etc., are some of the other bacterial diseases in man.
