Do this instead:

Open your browser, go to Archive.org, borrow the 20th edition of Ganong, and turn to Chapter 1 (General Principles). Your first free, legal MCQ awaits.

To maximize the benefits of Ganong's Physiology MCQ PDFs:

While multiple online platforms host extracted Multiple Choice Questions (MCQs) from various editions of Ganong’s Review of Medical Physiology

Never download from pop-up heavy sites. Use library proxies or verified student groups only.