


Understanding Vaccination
Vaccination is the administration of antigenic material (the vaccine) to stimulate an individual’s immune system to develop adaptive immunity to a particular pathogen. Herd immunity is a type of indirect protection from infectious disease that occurs when a...
A Patient with Troublesome Acne
You review a patient with moderately severe acne that has been treated with a variety of topical agents over the past 6 months. There has been a poor response treatment and you consider switching to an oral antibiotic. You are aware that there is an increasing issue...
Interpreting Thyroid Function Tests
The interpretation of thyroid function tests is a very popular exam topic. Thyroid disease is common, affecting approximately 1% of the female population, and there is a wide range of conditions affecting the thyroid gland, with a wide range of clinical features. For...