Which is a correct statement about the Na+/K+ transporter (pump), and its cytology and cellular role? It is found the basal side of intestinal epithelial cells, pumping Na+ out of the cell into the blood. It is found on the plasma membrane of neurons, pumping Na+ into axons from the blood. It is found on the membrane of the lysosome, pumping K+ into the lumen of the lysosome. It is found on the apical side of intestinal epithelia, pumping K+ into the lumen of the intestine.

Right now, nerve impulses are traveling throughout your body. None of these impulses would be possible without the aid of the sodium potassium pump (NaK pump). The sodium potassium pump is a specialized type of transport protein found in your cell membranes. The cell membrane is the semi-permeable outer barrier of many cells. The NaK pump's job is to move potassium ions into the cell while simultaneously moving sodium ions out of the cell. This process is important for a variety of reasons. For example, in nerve cells, the sodium potassium pump creates gradients of both sodium and potassium ions. Gradients are formed when you have an area of higher concentration next to an area of lower concentration. These gradients are then used to transmit electrical signals that travel along nerves. Without this process, your nerve cells wouldn't function. Nerve cells aren't the only place the sodium potassium pump is used. In fact, the function of this pump underlies most cellular processes. For example, the pump is used by your kidneys to maintain Na (sodium) and K (potassium) balances in the body. It also plays a role in maintaining blood pressure and controls cardiac contractions. If your heartbeat is steady, thank the sodium potassium pump.The Na+ pump, also known as Na+, K+-ATPase, or the Na+ pump, is an important component in maintaining the epithelial phenotype. The pump is found in the basolateral area of most epithelia. The sodium potassium pump is responsible for moving potassium and sodium ions in and out of the cell simultaneously. The Na-K-ATPase found on the basolateral membrane (BLM) of intestinal epithelial cells promotes all Na-dependent co-transport processes across the brush border membrane by creating a favourable intracellular Na+ gradient (BBM). So, option A is correct. It is found the basal side of intestinal epithelial cells, pumping Na+ out of the cell into the blood.

Answered: Which is a correct statement about the…

Human Anatomy & Physiology (11th Edition)

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Chapter1: The Human Body: An Orientation

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Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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		It is found the basal side of intestinal epithelial cells, pumping Na⁺ out of the cell into the blood.
		It is found on the plasma membrane of neurons, pumping Na⁺ into axons from the blood.
		It is found on the membrane of the lysosome, pumpingK⁺ into the lumen of the lysosome.
		It is found on the apical side of intestinal epithelia, pumping K⁺ into the lumen of the intestine.