Kaplan — Physiology

Read it actively, draw everything twice, and always follow a chapter with questions. Do that, and physiology will become your highest-scoring subject. Struggling with a specific Kaplan physiology chapter? Drop a comment below or tag us on social—let’s break down the nephron together.

❌ Remembering that "normal GFR is 125 mL/min" is useless if you can't draw the forces that determine it. ✅ Instead: Memorize the relationships (e.g., afferent arteriole constriction → decreased GFR). physiology kaplan

| System | Kaplan Chapter | Must-Know Concept | | :--- | :--- | :--- | | | Chapter 3 | Pressure-volume loops, cardiac output regulation, baroreceptors | | Renal | Chapter 5 | Starling forces in glomerulus, countercurrent multiplication, acid-base handling | | Respiratory | Chapter 4 | V/Q mismatch, oxygen-hemoglobin dissociation curve, lung volumes | | Endocrine | Chapter 7 | Feedback loops (HPA axis, thyroid), receptor physiology (up/down regulation) | Read it actively, draw everything twice, and always

You still need Anki (for facts) and UWorld (for application). Use Kaplan as your textbook, not your quiz bank. Drop a comment below or tag us on

If you are studying for the USMLE Step 1, COMLEX, or your med school finals, you have likely heard the golden rule: “Physiology is high-yield.” You cannot diagnose disease without understanding the "normal" first.

❌ Acid-base shows up on every single Step 1 exam. ✅ Instead: Use Kaplan’s Tic-Tac-Toe method for ABGs. Practice 5 problems daily. Final Verdict: Is Kaplan Physiology Enough? Yes for conceptual mastery. If you truly understand Kaplan Physiology, you will answer 90% of Step 1 physiology questions correctly.

Kaplan Medical has long been a staple for physiology review, but the material is dense. The lecture notes (by Dr. Julian Seifter) are excellent, but they are not a passive read.