If a Nerve Cell Has a Greater Concentration of Na⁺

question 102

True/False

If a nerve cell has a greater concentration of Na⁺ on the outside the cell membrane, compared to inside, then the movement of Na⁺ outside is by diffusion.

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Definitions:

Water Reabsorption

The process by which water is taken back into the body from the filtrate produced by the kidneys during urine formation, thus maintaining fluid balance.

Collecting Ducts

The structures in the kidneys that receive urine from the nephrons and transport it into the renal pelvis, playing a key role in water and ion balance.

Filtrate Osmolality

Filtrate osmolality refers to the concentration of solutes in the fluid that is filtered through the body's cells or organs, important in the regulation of water and solute balance.

Loop of Henle

A section of the nephron in the kidney which plays a crucial role in the concentration of urine.