Infectious Diseases — MCQs

Which of the following has no role in the diagnosis of childhood TB?

To prevent acute rheumatic fever, acute pharyngitis due to group A streptococci should be treated with antibiotics before:

Koplik spots are a feature of -

Koplik's spots occur in which phase of measles -

A 12-year-old boy comes to the physician because of headache, fever, nausea and vomiting. His mother reports that he has been unwell for a couple of days but seems to have become worse. In addition to his headache, he has a very stiff neck. He has no other past medical history except for well-controlled asthma. His pulse is 114/min and he has a fever of 38.5°C (101.3°F). His examination is notable for meningismus, as evidenced by discomfort elicited by movement of his neck. He also becomes visibly uncomfortable when you check his pupillary responses with a flashlight. Which of the following patterns of cerebrospinal fluid would you expect to see if this boy turns out to have viral meningitis?

An asymptomatic infant with a history of TB exposure, is 3 months old and had taken 3 months of chemoprophylaxis, what is to be done next?

An 18-month-old child presents with cellulitis of the leg and SpO2 of 88%. There is no prior history of hospitalization or illness. What is the most probable organism?

Pathognomonic clinical feature of measles is -

A 5 year old child with unprovoked dog bite, appropriate management is

A 3-year-old child is brought to the outpatient department with an upper respiratory tract infection. On asking about their previous immunization history, it is found that they have had no primary immunizations from birth. What is the most appropriate step in the management of this patient?