NBDE Part II with Guaranteed Accurate Answers

A patient has pain over the left pre-auricular area; this patient can open approximately 45 mm and has a "pop-and-click" in the joint area. The most likely diagnosis is A. myofascial pain dysfunction syndrome. B. internal derangement with reduction. C. auriculotemporal syndrome. D. coronoid hyperplasia. - correct answer B. internal derangement with reduction. Erythromycin is responsible for numerous drug interactions, some of which are fatal. This is because erythromycin A. increases the absorption of many drugs. B. decreases the absorption of many drugs. C. decreases cytochrome P-450 metabolism of other drugs. D. increases renal reabsorption of many drugs. E. decreases distribution of many drugs. - correct answer C. decreases cytochrome P-450 metabolism of other drugs. The penetrating quality of x-ray beams is influenced by which of the following? A. Kilovoltage B. Milliamperage C. Exposure time D. Focal-film distance E. Filament temperature - correct answer A. Kilovoltage Contraction of the lateral pterygoid muscle moves the articular disk in which of the following directions? A. Anteriorly and medially B. Posteriorly and medially C. Anteriorly and laterally D. Posteriorly and laterally E. Anteriorly, laterally, and inferiorly - correct answer A. Anteriorly and medially A decrease in which of the following causes an increase in radiographic density? A. Milliamperage (mA) B. Kilovoltage peak (kVp) C. Object-film distance D. Source-film distance E. Exposure time - correct answer D. Source-film distance A 2-day-old developing plaque consists primarily of A. Treponema species. B. Bacteroides species. C. filamentous organisms. D. gram-positive cocci and rods. E. a structureless, non-mineralized pellicle. - correct answer D. gram-positive cocci and rods. Each of the following is an electromagnetic radiation EXCEPT one. Which one is the EXCEPTION? A. Radar B. X rays C. Alpha rays D. Gamma rays E. Visible light - correct answer C. Alpha rays