A Vertebrate Motor Unit Consists of

question 75

Multiple Choice

A vertebrate motor unit consists of

• A) a single motor neuron and all of the muscle fibers that it innervates.
• B) all of the muscles that contract to complete a particular body movement.
• C) a particular muscle and all of its synergistic and antagonistic muscles.
• D) all of the fibers of a particular fiber type in a given muscle.

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Definitions:

Distal Convoluted Tubule

A portion of the nephron in the kidney where the final adjustments in urine composition are made, involving selective reabsorption and secretion.

Nephron Loop

A U-shaped part of the nephron in the kidney that extends from the proximal to the distal convoluted tubule, playing a crucial role in concentrating urine and conserving water.

Marginal Subcontracting Cost

The additional cost incurred for outsourcing a unit of production or service beyond the regular capacity or capability of the business.

Layoff Cost

The expenses associated with terminating employees, including severance pay, benefits continuation, and costs associated with changing the workforce.