When selecting the shade for a porcelain crown or a veneer, it is best to select the proper shade after the tooth has been prepared
a. True
b. False
Indicate whether the statement is true or false
False
RATIONALE: When selecting the shade for a porcelain crown or a veneer, it is best to select the proper shade before the tooth has been prepared.
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Your patient is a football player who had his right foot planted and was tackled from the left rear, causing his body to rotate around the axis of his right lower extremity. This mechanism is most consistent with which of the following types of fractures?
A) Oblique B) Spiral C) Impacted D) Comminuted
Moist heat in an autoclave of ________°F will kill most diseases that are airborne.
A. 150-170 B. 250-270 C. 350-370 D. more than 400
The fundamental principle of panoramic radiography is based on the principle of tomography
a. True b. False Indicate whether the statement is true or false
A 46-year-old female presents with respiratory difficulty, facial swelling, and widespread hives after she was stung by an unknown type of insect. Her blood pressure is 88/58 mm Hg; auscultation of her lungs reveals diffuse expiratory wheezing. The patient has a prescribed EpiPen, but has not used it. After administering 100% oxygen, you should:
A. start an IV and administer a 20 mL/kg saline bolus to raise her BP. B. assist the patient with her EpiPen in accordance with your protocols. C. administer 0.3 to 0.5 mL of epinephrine 1:1,000 subcutaneously. D. administer a nebulized beta2 agonist to relieve the bronchospasm.