What is tubular reabsorption?
Understand the Problem
The question is asking for the definition of tubular reabsorption in the context of kidney function. It provides four options, and the task is to identify the correct definition from the given choices.
Answer
Tubular reabsorption is the process in the kidneys where water and solutes move from the renal tubules back into the bloodstream.
Tubular reabsorption is a vital kidney function where water and essential solutes are transported from the renal tubules back into the bloodstream. This process recovers nutrients, electrolytes, and water to maintain the body's internal balance.
Answer for screen readers
Tubular reabsorption is a vital kidney function where water and essential solutes are transported from the renal tubules back into the bloodstream. This process recovers nutrients, electrolytes, and water to maintain the body's internal balance.
More Information
Reabsorption is the second time these substances have been absorbed, the first being when they were absorbed into the bloodstream from the digestive tract after a meal.
Tips
A common mistake is confusing tubular reabsorption with tubular secretion, which is the opposite process where substances are moved from the blood into the renal tubules.
Sources
- Tubular reabsorption and secretion: Video, Causes, & Meaning - osmosis.org
- Tubular Reabsorption | Anatomy and Physiology II - Lumen Learning - courses.lumenlearning.com
- 24.3D: Tubular Reabsorption - Medicine LibreTexts - med.libretexts.org
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