oxygen pressure
RRT Exam Prep

A-a Gradient

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The A-a gradient compares the pressure of oxygen in the alveoli (PAO2) to the pressure of oxygen in the arteries (PaO2). This pressure difference should range between 5 and 10 mm Hg in a healthy […]

Respiratory Therapy Study Guide
RRT Exam Prep

RRT Exam Practice Questions

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Passing the NBRC RRT board exams on the first try is hard work! There, I said it. Despite the promises some exam review companies make, the reality is that passing on the first attempt is […]

RRT Exam Prep

5 Free RRT Exam Practice Questions

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Cardiac questions abound on the new 2015 TMC-RRT and clinical simulation exams. Fortunately, you don’t have to be a cardiologist to pass! However, familiarizing yourself with cardiac signs, symptoms, ECG, hemodynamics and pathophysiology will contribute […]

Respiratory therapist exam review
RRT Exam Prep

Respiratory Therapist Exam Review

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I recently took the paid version of the respiratory therapist exam self assessment test. After sadly parting with the $50 test fee I spent the next 2 hours answering 140 practice questions. Something I noticed was […]

four doctors
RRT Exam Prep

Cheapest online bachelor degrees

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I hear a lot of debate in the Respiratory Therapy community about whether getting a bachelors degree is worth it.   A lot of RRT’s say because hospitals don’t pay you for a B.S. degree, […]