Matter, Solutions, and pH

Consider the simple act of pushing an intravenous medication or drawing arterial blood for a gas analysis. Every clinical intervention relies on the fundamental behavior of atoms and molecules. A patient’s survival hinges on maintaining an exquisite chemical balance—ensuring fluids dissolve the right compounds, gases exchange under correct pressures, and blood acidity remains tightly controlled. To master the clinical sciences, we must first understand the foundational physical rules governing the substances we treat.

Intravenous therapy fluids, such as saline and dextrose solutions, rely on precise chemical concentrations to maintain a patient's homeostasis.
Intravenous therapy fluids, such as saline and dextrose solutions, rely on precise chemical concentrations to maintain a patient's homeostasis.

Here, we will dismantle the architecture of matter, explore the mechanics of solutions, and decode the strict mathematical laws governing acidity and buffers.

© 2026 The Only Ever Inc. · Licensed CC BY-NC-SA 4.0 for noncommercial reuse with attribution. Reuse terms