HOSA Dental Terminology Practice

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Prepare for the HOSA Dental Terminology Exam. Study with flashcards and multiple-choice questions, each supplemented with hints and explanations. Get equipped for your test with confidence!

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What is the primary function of a cannula?

A measurement of radioactivity
A tube for insertion into the body
A device to monitor vital signs
A surgical instrument for cutting

The correct answer is: A tube for insertion into the body

A cannula serves the primary function of being a tube designed for insertion into the body. This device is commonly used in medical and dental settings to deliver liquids or gases, such as medication or anesthetics, directly into a patient’s bloodstream or to allow access for various medical procedures. The versatility of cannulas makes them essential tools in a wide range of applications, from intravenous therapies to respiratory support. Their design facilitates the passage of fluids while minimizing discomfort and potential injury to the surrounding tissues.