What is the corrective action for a panoramic image that can mimic caries of the anterior teeth?
a. Have the patient raise his or her tongue to the palate during exposure.
b. Readjust the patient's head in an upward direction.
c. Have the patient close his or her lips on the bite block.
d. Readjust the patient's head in a downward direction.
c. Closing the lips together around the bite block will avoid recording an image of the lip line across the anterior teeth. Open lips will create an image that can mimic caries of the anterior teeth.
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A patient with a medical history of sickle cell anemia is complaining of chest pain and shortness of breath. The patient is breathing 26 times a minute in short, shallow respirations. However, the patient's oxygen saturation via pulse oximetry is 100% on room air. The best approach regarding supplemental oxygen is to:
A) do nothing; no supplemental oxygen is necessary. B) place the patient on a simple face mask. C) place the patient on a nasal cannula. D) place the patient on a nonrebreather mask.
Which of the following is the most common radiographic finding that suggests the presence of epiglottitis?
a. Thumb sign b. Flail chest c. Sail sign d. Steeple sign