Which of the Following Muscles Most Likely Contains Motor Units

question 4

Multiple Choice

Which of the following muscles most likely contains motor units that are relatively small (motor neurons that innervate only a small number of muscle fibers each) ?

• A) the biceps femoris.
• B) the trapezius.
• C) the intrinsic hand muscles.
• D) the latissimus dorsi
• E) the sternocleidomastoid.

---

Definitions:

Accounting Profit

The financial profit of a business calculated by subtracting total expenses from total revenue, as shown in the company's income statement.

Economic Profit

A measure of profitability calculated by subtracting both explicit and implicit costs from total revenues, reflecting the true economic performance of a business.

Implicit Costs

Represent the opportunity costs of using resources that a firm already owns for production, instead of allocating them for other purposes.

Economic Profits

The margin between total earnings and all incurred costs, accounting for both obvious and concealed expenses.