HOSA Dental Terminology Practice

What is a key feature of sublingual medications?

1. They are applied topically

2. They are absorbed through the digestive tract

3. They are placed under the tongue for absorption

4. They require intravenous administration

The correct answer is: They are placed under the tongue for absorption

Sublingual medications are specifically designed to be placed under the tongue, which allows for rapid absorption directly into the bloodstream. This method of administration bypasses the digestive system, enabling the active ingredients to enter circulation quickly, leading to a faster onset of effects compared to other routes. The sublingual route is advantageous because it can provide relief more rapidly, making it particularly useful in situations where immediate action is necessary, such as with certain heart medications or emergency treatments. The mucous membranes under the tongue have a rich blood supply, further facilitating this rapid absorption process. Other methods of medication delivery, such as topical applications, would not provide the same systemic effects that sublingual medications do, as they are primarily intended for local application to the skin rather than for absorption into the bloodstream. Similarly, medications absorbed through the digestive tract often take longer to take effect, as they must first metabolize and pass through the liver before entering systemic circulation. Intravenous administration, while effective for immediate effect, is a different route altogether and does not involve placement under the tongue like sublingual medications do.