3 Na+ ions from the ICF bind to the pump (with ATP or adenosine triphosphate attached). In doing so, it pumps the three sodium ions out of the cell. At that point, two potassium ions from outside the cell bind to the protein pump. How a sodium potassium pump can maintain a voltage gradient across a cell or neuron's membrane. Sodium-Potassium Pump Explained. These ions travel against the concentration gradient, so this process requires ATP. The ATP allows the shape of the pump to change, emptying its contents either into or out of the cell. This pump is powered by ATP. The sodium-potassium pump can be quite a perplexing topic especially to nursing students due to its nature, function, and how the entire process contributes to healthier well-being. The sodium potassium pump in particular needs to be presented in such a way that shows how it changes its shape and that it pumps 3 Na+ out and 2 K+ inside. It involves an enzyme referred to as Na + /K +-ATPase.This process is responsible for maintaining the large excessof Na + outside the cell and the large excess of K + ions on the inside. The process basically consists of the following steps. The sodium potassium pump (NaK pump) is vital to numerous bodily processes, such as nerve cell signaling, heart contractions, and kidney functions. The pump is powered by a molecule of ATP. For each ATP that is broken down, 3 sodium ions move out and 2 potassium ions move in. This Biology video tutorial explains how the sodium potassium pump works inside the cell membrane. Sodium potassium pump is the process of moving sodium and potassium ions across the cell membrane in an active transport process involving the hydrolysis of ATP to provide the necessary energy. The sodium-potassium pump, also called Na, K-ATPase, is responsible for active transportation. The sodium-potassium pump is found in the plasma membrane of almost every human cell and is common to all cellular life. In each cycle, three sodium ions exit the cell, while two potassium ions enter the cell. Sodium-potassium pump (or Na+/K+ -ATPase) are transmembrane proteins that actively transports Na+ ions to the extracellar fluid (ECF) and K+ ions to the intracellular fluid (ICF). The Phosphate group form a molecule of ATP binds to the pump. Below are the steps that the sodium-potassium pump uses to function: Three sodium ions form inside the cell bind to the pump. At this very moment, there is a diversified network of nerve impulses running throughout the human anatomy. The process of moving sodium and potassium ions across the cell membrance is an active transport process involving the hydrolysis of ATP to provide the necessary energy. Start studying Sodium Potassium Pump Steps. 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