The Accessory Nerve

question 142

Multiple Choice

The accessory nerve

• A)has fibers that join the vagus nerve.
• B)has both a cranial and a spinal component.
• C)provides innervation to the trapezius and sternocleidomastoid muscles.
• D)is cranial nerve XI.
• E)All of these choices are correct.

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Definitions:

Gross Margin

The difference between sales and the cost of goods sold, often expressed as a percentage, indicating the profitability of selling products.

Sales Analysis

The evaluation and study of actual sales in a given period, helping businesses understand sales performance and trends.

Return on Marketing Investment

A calculation used to assess the efficiency and profitability of marketing expenditures.

Gross Margin

The difference between revenue and the cost of goods sold, divided by revenue, expressed as a percentage.