Muscles That Encircle Tubes and Act as Circular Valves Are

question 47

Multiple Choice

Muscles that encircle tubes and act as circular valves are called

• A) frenula.
• B) sphincters.
• C) cannula.
• D) anastomoses.
• E) buccinators.

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Definitions:

Trial Close

A technique used by salespeople to assess a prospect's readiness to buy, often involving a question or statement that assumes the sale has been made.

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Product's Advantage

The unique benefits or features of a product that give it an edge over competing products in the marketplace.