Radiation Health and Safety Practice Test

The Dental Assisting National Board (DANB) offers the Radiation Health and Safety (RHS) Exam as a way for candidates to demonstrate their expertise in the proper safety procedures for taking X-rays. Many states require the certification in order for a dental assistant to provide this service but even in states that don’t require it, having … Read more

SPEX Practice Test

The Special Purpose Examination (SPEX) is specifically used in the United States and Canada to re-assess physicians and their ability to understand basic medical knowledge. Click “Start Test” above to take a free SPEX practice test, and check out our premium-quality SPEX test prep resources by clicking the links below! Exam Eligibility To be eligible … Read more

The American Revolutionary War

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Executive Branch

What Does the Executive Branch Do?   Return to Government Videos