Question

Read the following statements.
(A) The lips and fingernails may turn gay to bluish in colour in severe cases of typhoid.
(B) Rhinoviruses infect the nose and respiratory passage but not the lungs.
(C) Intestinal perforation and death may occur in severe cases of typhoid.
(D) Streptococcus pneumoniae infects the alveoli of the lungs.
How many of the above statements are right?
a) One
b) Two
c) Three
d) Four

Answer 1

Hint:Typhoid is a bacterial infection which is caused due to Salmonella whereas Streptococcus pneumoniae causes pneumonia in humans. Rhinoviruses are a category of viruses which infect humans and cause flu in humans.

Complete answer:
Statement A) is incorrect because in pneumonia the symptoms are fever, chills , cough and headache and in the severe cases, the lips and fingernails may turn grey to bluish in colour. Typhoid fever is also known as enteric fever which is caused by Salmonella typhi (a Gram Negative bacteria).

Statement B) is correct because rhino virus is characterized by nasal congestion and discharge, sore throat , hoarseness, cough , headache, and tiredness, etc which usually last for 4-7 days. Common cold or rhinitis caused by Rhinovirus which is the most effective human disease.

Statement C) is correct because the pathogen generally enters the small intestine through contaminated food and water and migrates to other organs through blood.

Statement D) is correct because as a result of the infection, the alveoli get filled with fluid leading to severe problems in respiration. Pneumonia is caused by bacterium like Streptococcus pneumoniae and Haemophilus influenzae. Therefore, B) ,C),D) are the correct statements.

Thus, the correct answer is option (C) three.

Note:Typhoid fever could be confirmed by Widal tests.
i) Cold can be transmitted through inhalation of droplets resulting from cough are sneezes of an infected person either inhaled directly or transmitted through contaminated objects such as cup, pen, book, computer keyboards etc.
ii) A healthy person can get pneumonia by inhaling the droplets or aerosols by an infected person or even by sharing glasses and utensils with an infected person.