False-positive reactions can occur with tuberculosis skin testing. What would cause a false-positive reaction? 

A 13-year-old patient comes to the office with a tick attached to the right lower leg. What is the best recommended method to remove the tick? 

At what age should SELECTIVE SCREENING for tuberculosis begin? 

What are the key components of a physical assessment for a patient with suspected cellulitis?

In a child with meningitis, what is a positive Brudzinski sign? 

Kawasaki disease and scarlet fever can have similar clinical findings. Which clinical finding differentiates Kawasaki disease from Scarlet fever? 

In infants less than 1 month of age, erythromycin is not used to treat pertussis due to the risk of: 

All the following are differential diagnosis for chalazion EXCEPT: 

The drug of choice in the initial treatment of Clostridium difficile is: 

The difference between pectus carinatum and pectus excavatum is: