Dental Radiology Chapter 1-7 Questions and Answers Already Passed

Dental Radiology Chapter 1-7 Questions and Answers Already Passed What type of film is used in digital dental radiography? a) A digital sensor or phosphor plate b) Traditional X-ray film c) Film that uses fluorescent chemicals d) Photographic film What should be done if a patient has a strong gag reflex during a radiographic procedure? a) Rush the procedure to minimize discomfort b) Use distraction techniques and shorter exposure times c) Hold the patient’s mouth open manually d) Skip the radiograph What is the purpose of the fixer solution in film processing? a) To develop the exposed areas of the film b) To stop the development process and preserve the image c) To remove the radiographic image from the film 2 d) To fix any exposure errors What is the effect of using a higher milliamperage (mA) on the dental radiograph? a) It increases the density (darkness) of the image b) It decreases the sharpness of the image c) It reduces the overall exposure d) It changes the contrast of the radiograph Which of the following is a common error in dental radiography? a) Incorrect film positioning b) Proper exposure time c) Accurate patient positioning d) Correct use of lead aprons What does the term “film fog” refer to in dental radiography? a) A cloudy or unclear radiograph caused by improper storage or exposure b) A sharp and clear radiograph c) An effect caused by using too much radiation 3 d) A result of using the wrong film type What is the purpose of the radiograph’s contrast? a) To increase the exposure time b) To determine the difference in density between adjacent areas c) To provide clear images of the soft tissues d) To decrease the clarity of the image Which of the following is true about the paralleling technique? a) It requires the film to be placed at an angle to the tooth b) It requires the film to be positioned parallel to the tooth c) It causes significant image distortion d) It involves placing the film perpendicular to the X-ray beam What should be done if a radiograph shows overlapping teeth? a) Adjust the horizontal angulation of the X-ray beam b) Increase the exposure time c) Decrease the mA setting 4 d) Use a different film type What is the main advantage of using digital radiography over traditional film radiography? a) Digital radiographs require longer processing times b) Digital radiographs allow for immediate viewing and less radiation exposure c) Traditional films are less expensive d) Digital sensors are less accurate What is a common purpose for taking a bitewing radiograph? a) To capture the full view of the teeth b) To evaluate interproximal decay and bone level between teeth c) To assess the temporomandibular joint d) To diagnose dental abscesses Which of the following is an example of a type of dental radiograph? a) MRI b) Ultrasound c) Periapical radiograph 5 d) CT scan What does the term “radiolucent” mean in dental radiology? a) Areas that appear dark on a radiograph due to less radiation absorption b) Areas that appear light due to more radiation absorption c) Areas that are not visible on the radiograph d) Areas that reflect X-rays