An odontoma often appears as a mixed radiopaque and radiolucent mass of enamel and dentin
Indicate whether the statement is true or false
TRUE
Explanation: An odontoma is a tumor of odontogenic origin in which enamel and dentin are formed. Because it may contain soft tissues that appear radiolucent and a hard calcified mass, this finding can appear as a mixed radiopaque and radiolucent mass.
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An advantage to using a device that provides continuous positive airway pressure for respiratory disorders is that:
a. Oxygen concentrations can be closely controlled in patients with COPD b. It can replace intubation in a patient who has lost the ability to maintain his airway c. Lower liter flows of oxygen are required when using these devices d. These devices keep the alveoli inflated resulting in improved lung efficiency
Which of the following techniques are useful to avoid claustrophobia in the patient being venti-lated by face mask?
1. Allow patient to hold the mask. 2. Increase the inspiratory flow. 3. Use sedation. 4. Use a larger mask. a. 1 and 3 only b. 1, 2, and 3 only c. 3 and 4 only d. 2, 3, and 4 only