EXAM OVERVIEW
BCEN CEN
CEN® Practice Test
The Board of Certification for Emergency Nursing (BCEN) administers the Certified Emergency Nurse (CEN) exam as one of the requirements for professionals seeking to attain initial CEN certification.
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VIDEO
Earthquakes
Earthquakes are caused by shifting tectonic plates, especially near convergent plate boundaries, that cause friction. Learn about these scary, shaky events.
VIDEO
Drafting the Constitution
The Constitution's drafting took four months, was ratified, and then amended ten times in the fifteen years following. Learn about fundamental American rights!
VIDEO
The Chain Rule – An Integral Part of Calculus
This video is a step-by-step tutorial on finding the derivative of a composite function through the chain rule. Click here to become an expert at this process!
ADDITIONAL RESOURCES:
Practice Questions
VIDEO
Implicit Differentiation
Implicit differentiation is an application of the chain rule in mathematical derivations. Learn how to work these problems with examples of functions here!
ADDITIONAL RESOURCES:
Practice Questions
VIDEO
Martin Luther and the Reformation
Martin Luther was a friar who gave unprecedented challenges to the Church in his theses, igniting the Reformation. Learn about this brave man and his beliefs!
VIDEO
Id, Ego, and Superego Interactions
Sigmund Freud proposed a theory of the human psyche being divided into three agencies–the id, ego, and superego. Learn about this psychological idea here!
VIDEO
Resistance of Electric Currents
Electricity is everywhere, powered by electric circuits. Discover the connection of voltage, resistance, and current, and unlock the cool science behind electricity!
VIDEO
Borderline Personality Disorder
Borderline personality disorder comes with a specific set of symptoms and experiences. Learn about this medical diagnosis and therapies used to treat it here!
VIDEO
Chronic Insomnia
Chronic insomnia affects a large portion of the population across all racial and ethnic groups, so it is important to treat. Learn the science behind insomnia here!