RHS TESTS COMPILATION BUNDLE

A step wedge can be used to demonstrate A. penumbra B. film contrast C. magnification of image D. film composition Correct Answer: B On a radiograph, what is the dense radiopaque band that outlines the edge of the mandible? A. Mylohyoid ridge B. Inferior border C. Mental protuberance D....

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...

The circulatory system caries life-sustaining substances such as nutrients and oxygen throughout the body. Correct Answer: true Anatomy means the study of body structure Correct Answer: true Physiology is the study of how the body functions Correct Answer: true The sagittal plane divides...

Radiation Correct Answer: A form of energy carried by waves or a stream of particles The emission and propagation of energy through space or a substance in the form of waves or particles. X-radiation Correct Answer: 1. high energy radiation produced by the collision of a beam of electrons with...

Which is a measurement of tissue damage from x-ray energy? Correct Answer: Radiation absorbed dose To help desensitize the tissue prior to fil placement, the dental assistant should do what? Correct Answer: Rub a finger along the tissues where the film touches. What is the primary function o...

What are the advantages of Digital Imaging? Correct Answer: No film or processing solution, less exposure to the patient The anterior wall of the sinus and lateral wall of the nose form; Correct Answer: Inverted Y As the target to film distance is increased, Will there be more or less distor...

Chemical agents should be properly disposed of according to A. dental office protocol. B. state and federal recommendations. C. OSHA and local laws. D. federal, state and local laws. Correct Answer: D. federal, state and local laws. Using the ALARA concept as a guideline for radiographs ...

Phosphor plates are processed by using? Correct Answer: Laser beam technology When using a 16-inch PID compared to an 8-inch PID the exposure time must Correct Answer: to be increased On a full mouth series with eighteen films, how many anterior films are exposed? Correct Answer: 6 Which...

The type of radiograph that would show the whole tooth including the crown, roots, and jawline is called: a. Bitewing x-ray b. Periapical x-ray c. Occlusal x-ray d. Tomogram Correct Answer: b. Periapical x-ray A bitewing radiograph is useful for diagnosing all of the following EXCEPT: a. Im...

the American dental association recommends that radiographs be mounted with the embossed dots Correct Answer: all facing the same direction Radiolucent Correct Answer: the dark or black portions of the image; result from the passage of energies through less dense areas (pulp, caries, foramen) ...

How do you adjust the kVp for edentulous Correct Answer: Reduce by 1/2, 1/4 or increase by 1/2, 1/4 Advantages of Digital Correct Answer: No film or processing solution, less exposure to pt Processing Error: Black Lines Correct Answer: Rollers Processing Error: Black Spots Correct Answer...

The annual maximum accumulated dose (MAD) of radiation for dental assistant is based on which of the following calculations? Correct Answer: Age minus 18 times 5 rems/year. The population most susceptible to radiation damage is Correct Answer: Infants. Cells most suspectable to radiation dam...

How frequently should processing solutions be changed? Correct Answer: Daily. The optimum developing solution temperature for manual processing is... Correct Answer: 68 degrees F. Emulsion damage to a film is caused by Correct Answer: Improper handling of the film. How often should step ...