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Solutions are homogeneous mixtures of two or more substances. In chemistry and medicine, precise knowledge of how much solute is present in a specific volume of solvent is critical for safety, efficacy, and accuracy—especially in drug administration.
Matter exists in different forms depending on energy and molecular interaction. In biology and medicine, gases (like oxygen and carbon dioxide), fluids (blood, plasma), and solids (bone, cells) behave differently. Understanding these behaviors helps predict changes in body systems.
A chemical reaction is a process in which substances (reactants) are transformed into new substances (products). In biological systems, reactions happen constantly—breaking down nutrients, producing energy, synthesizing DNA, and more.
Atoms form bonds to achieve stability. These bonds—ionic, covalent, and metallic—differ in how electrons are used. Lewis structures visually represent these interactions and help predict the shape and behavior of molecules, which is key in biological systems.
The periodic table is a foundational tool in both chemistry and biology. In nursing, knowing the trends helps in: Understanding how drugs interact at the atomic level. Recognizing how electrolytes like sodium (Na⁺), potassium (K⁺), and calcium (Ca²⁺) behave in the body. Explaining patient symptoms due to mineral or electrolyte imbalance. The periodic table organizes all known elements based on atomic number and recurring chemical properties. Elements in the same group behave similarly in reactions due to similar electron configurations.
Chemistry is the foundation of many medical processes. As a nurse, you will need to understand how drugs interact with the body, manage pH levels in patients, convert units for medication dosages, and recognize chemical reactions in medical treatments. Whether administering IV fluids, monitoring electrolytes, or understanding oxygen transport, chemistry is always at play in healthcare.
