Which of the Following Statements Is True Regarding the Extensor

question 29

Multiple Choice

Which of the following statements is true regarding the extensor mechanism of the fingers?

• A) Lumbricales and interossei allow active metacarpophalangeal (MCP)joint flexion,and proximal interphalangeal (PIP)and distal interphalangeal (DIP)joint extension.
• B) Extensor digitorum extends the PIP and DIP joints,but not the MCP joint.
• C) Lumbricales and interossei work to extend the MCP joint against the force of the long finger flexors.
• D) Extensor digitorum is the only muscle that can extend the DIP joint.

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Definitions:

Commission

A fee paid to an agent or employee for transacting a sale or performing a service, often a percentage of the sale amount.

Consignment

The act of giving goods to another party to sell on your behalf, but retaining ownership until the goods are sold.

Gross Cost

Gross Cost refers to the total expense incurred before any deductions, such as discounts or rebates, providing a raw figure of the financial outlay for a purchase or project.

Commission

A fee paid for provided services, typically a percentage of the transaction value, often used in sales, brokerage, and real estate transactions.