Answer the following statement(s) true (T) or false (F)
1. The mouth performs mechanical digestion only.
2. The pharynx has two divisions: the nasopharynx behind the oral cavity and the laryngopharynx behind the larynx.
3. The pharynx has three divisions: the nasopharynx behind the nasal cavity, the oropharynx behind the oral cavity, and the laryngopharynx behind the larynx.
4. The hole in the diaphragm through which the esophagus passes is called the cardiac hiatus.
5. The hole in the diaphragm through which the esophagus passes is called the esophageal hiatus.
1. False
2. False
3. True
4. False
5. True
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A. True B. False
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A spoon excavator
is used when the operator does not want to create a pulpal exposure by using more aggressive decay removal techniques. is a hand instrument with a working end that is shaped like a spoon. is used to remove soft decay. all of the above