Which Process Is the First Step in the Formation of Urine

question 45

Multiple Choice

Which process is the first step in the formation of urine in the nephrons?​

• A) ​Absorption
• B) ​Filtration
• C) ​Reabsorption
• D) ​Secretion

---

Definitions:

Scale Reduction

The process of downsizing the scope or size of operations, often in response to operational inefficiencies or declining profits.

Long-Run Average Total Cost

The average cost per unit of output incurred when all factors of production, including capital, are variable, considered over a sufficient period for all adjustments to be made.

Decreasing Returns to Scale

Decreasing returns to scale occur when increasing the inputs used in production results in a less than proportional increase in output.

Total Cost

The aggregate of expenses involved in creating goods or delivering services, covering both stable and changeable costs.