RHS Practice Exam Questions With Complete solutions

Be increased Correct Answer: When taking a panoramic radiograph of an obese patient as compared to a slim patient, exposure (kVp or mA) should be what? Image distortion is more likely Correct Answer: Major disadvantage of a bisecting angle Solutions were not stirred before processing Correct Answer: A full mouth radiograph has just been manually processed. The operator notes that the films at the bottom of the rack area are of a different density. What may have caused this? Fogged Correct Answer: Film exposed to scatter radiation will appear... A large young adult Correct Answer: X-ray exposure time should be increased if the patient is... Inform the dentist and document parent's refusal Correct Answer: A parent refuses to have radiographs taken on his/her child. The dental assistant should do what? Overlapping of the proximal surfaces Correct Answer: Incorrect horizantal angulation of the primary beam produces... Maxillary Anterior Correct Answer: Where is the radiographic landmark "incisive foramen" loctaed? Jaw relationships Correct Answer: Cephalometric radiographs are PRIMARILY indicated to evaluate... With the midsagittal plane perpendicular to the floor Correct Answer: How should the patient's head be oriented when taking a panoramic radiograph? Light leaks in the dark room Correct Answer: Most likely to contribute to fogging of a film x-ray Weak developing solution Correct Answer: Conditions that will result in a radiographic image being too light Assist in correct placement of the film Correct Answer: Purpose for using film-holding devices when taking intra-oral radiographs Film packet reversal Correct Answer: Film with thin density and a herringbone pattern across it is the result of what?