In normal dental radiographic procedures, the principal hazard to the operator is produced by which type of radiation?
scattered radiation
direct radiation
alpha radiation
gamma radiation
scattered radiation
Rationale: scattered radiation
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You have been called for an elderly female who was found by family members on the floor of her bathroom. She is unresponsive and has a bruise to the right side of her face. Her respirations are snoring and shallow. Her skin is cool and dry, and she is incontinent of urine. Her daughter tells you that the patient has a past medical history of stroke, COPD, and seizures. Which intervention would be most appropriate when managing this patient's airway?
A) Suction B) Jaw-thrust maneuver C) High-concentration oxygen D) Head-tilt, chin-lift maneuver
Primary hyperparathyroidism is diagnosed by which lab result?
a. High potassium b. High vitamin D c. Hypercalcemia (high calcium) d. Anemia
Which of the following Acts had the greatest financial and logistical impact on healthcare insurance companies?
A. The American Recovery and Reinvestment Act of 2009 B. The Health Information Technology and Clinical Health Act of 2009 C. The Health Insurance Portability and Accountability Act of 1996 D. The Patient Protection and Affordable Care Act of 2010
All of the following impact digital image spatial resolution EXCEPT
a. pixel pitch. b. bits/pixel. c. DEL dimension. d. sampling frequency.