|pH||PaO2 (mm Hg)||PaCO2 (mmHg)||Plasma HCO3|
When I was studying for Step 1, I would initially panic when I saw questions like this, thinking, "Not only are you asking me to pick between six answers, you’re asking me to work through several variables to arrive at the correct choice!"
Now, as a tutor, I see a similar form of anxiety in my students when they encounter questions like these or the dreaded up/down arrows often seen in Endocrinology. However, what I am here to show you is that with some very simple test-taking strategies, you can make questions like these a strength when taking Step 1. Let’s break it down into a series of steps: