In this anatomy quiz, you can test your knowledge of protrusion, retrusion, and excursion, which are special body movement terms used in anatomy. Nurses and other healthcare professionals use these terms when assessing patients or documenting.
Before taking this quiz on protrusion, retrusion, and excrusion, you might want to review our anatomy notes. In addition, you might want to view our video demonstration on these anatomy body movement terms.
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Protrusion, Retrusion. And Excursion Anatomy Quiz
1. Which term describes the side-to-side movement of the mandible?
The answer is c, excursion. Later excursion is the movement to the left or right side of the mandible, whereas medial excursion is the movement of the mandible toward the body’s midline.
2. Which term describes the forward (anterior) movement of a structure?
The answer is a. Protrusion refers to the movement of a structure in a forward direction. This most commonly involves the tongue, mandible, and lips.
3. Which term describes the backward (posterior) movement of a structure?
The answer is b, retrusion. Retrusion refers to the posterior movement of a structure, typically the lips, mandible (lower jaw), or tongue.
4. Protraction and protrusion can both be used to refer to the movement of the mandible in a forward direction.
The answer is a, true. Some anatomists refer to the forward movement of the mandible as protrusion, but some still call it protraction. However, some anatomists only use protraction when discussing the movement of the scapulae in an anterolateral direction. For testing purposes, use the terms your professor recommends using.
5. Which movement occurs when the mandible moves to the left?
c. Lateral Excursion
d. Medial Excursion
The answer is c, lateral excursion. Lateral excursion means the mandible is moving to the left or right side, away from the body’s center. Medial excursion means the mandible is moving back toward the body’s midline.
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