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![Study Guide RHS| 67 QUESTIONS| WITH COMPLETE SOLUTIONS](/docpics/638f1f164f82c_2158971.jpg)
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Study Guide RHS| 67 QUESTIONS| WITH COMPLETE SOLUTIONS
- Exam (elaborations) • 4 pages • 2022
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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: Developer 
 
Processing Error: White Spots Correct Answer: Fixer 
 
Why is there Lead Backing in film? Correct Answer: to protect Pt and reduce film fog 
 
If film is clear, what would NOT be a p...
![RHS Practice Test- Expose and Evaluate](/docpics/638f1bcad69f3_2158920.jpg)
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RHS Practice Test- Expose and Evaluate
- Exam (elaborations) • 10 pages • 2022
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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 of the following radiographic errors is caused by removing a film too quickly from a tightly packed box? Correct Answer: Static electricity 
 
Which of the following radiolucencies may be mistaken f...
![RHS Exam Study Guide QUESTIONS WITH COMPLETE SOLUTIONS](/docpics/638f17565545a_2158891.jpg)
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RHS Exam Study Guide QUESTIONS WITH COMPLETE SOLUTIONS
- Exam (elaborations) • 2 pages • 2022
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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 of collimation? Correct Answer: To restrict the size of the beam. 
 
Added filtration in the x-ray tubehead protects what? Correct Answer: The Patient. 
 
To prevent cross-contamination, wipe the cou...
![RHS exam 766 QUESTIONS WITH COMPLETE SOLUTIONS](/docpics/638f16a0b08ac_2158886.jpg)
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RHS exam 766 QUESTIONS WITH COMPLETE SOLUTIONS
- Exam (elaborations) • 72 pages • 2022
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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 a metal target in an X-ray tube 
 
 energy, ionizing electromagnetic radiation. 
 
X-ray Correct Answer: Weightless bundles of energy (photons) without electrical charge that travel in waves with a ...
![RHS EXAM 2022 QUESTIONS WITH COMPLETE SOLUTIONS](/docpics/638f15b02f740_2158874.jpg)
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RHS EXAM 2022 QUESTIONS WITH COMPLETE SOLUTIONS
- Exam (elaborations) • 3 pages • 2022
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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 the body into upper and lower sections Correct Answer: false 
 
The frontal plane divides the body into left and right halves. Correct Answer: false 
 
The dorsal cavity is in the anterior portion ...
![RHS Exam: Quality Assurance and Radiology Regulation](/docpics/638f20f60d780_2158994.jpg)
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RHS Exam: Quality Assurance and Radiology Regulation
- Exam (elaborations) • 4 pages • 2022
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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 wedge quality control tests for a dental x-ray machine be conducted? Correct Answer: Daily. 
 
The American Dental Association recommends that radiographs be mounted with embossed dots... Correct Ans...
![RHS EXAM: RADIATION SAFETY FOR PATIENTS AND OPERATORS:](/docpics/638f204594e62_2158983.jpg)
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RHS EXAM: RADIATION SAFETY FOR PATIENTS AND OPERATORS:
- Exam (elaborations) • 7 pages • 2022
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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 damage are Correct Answer: Bone marrow. 
 
The main purpose of using a lead apron with a thyroid collar when exposing dental radiographs is to protect the patient from Correct Answer: Scatter radiation...
![RHS exam 236 QUESTIONS WITH COMPLETE SOLUTIONS](/docpics/638f1e2289c6e_2158955.jpg)
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RHS exam 236 QUESTIONS WITH COMPLETE SOLUTIONS
- Exam (elaborations) • 14 pages • 2022
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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) 
 
Bisecting angle technique Correct Answer: Film is placed close to teeth, central ray is aimed at imaginary line between teeth & film 
 
to view an abscess on tooth #25 the best radiographic expose ...
![RHS Exam Study Guide Questions & Answers | Dental Assisting](/docpics/638f1cbd62418_2158937.jpg)
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RHS Exam Study Guide Questions & Answers | Dental Assisting
- Exam (elaborations) • 13 pages • 2022
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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. Impacted tooth 
b. Tooth decay 
c. Periodontal bone loss 
d. Gum disease Correct Answer: a. Impacted tooth 
 
A full-mouth survey generally includes: 
a. 14 periapical views and 4-6 bitewings 
b. 10 pe...
![RHS Practice exam| 225 QUESTIONS| WITH COMPLETE SOLUTIONS](/docpics/638f1a9d92872_2158910.jpg)
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RHS Practice exam| 225 QUESTIONS| WITH COMPLETE SOLUTIONS
- Exam (elaborations) • 31 pages • 2022
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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 includes all of the following EXCEPT 
 
 A. draping the patient with a thyroid collar. 
 B. using a circular PID. 
 C. draping the patient with a lead apron. 
 D. using a rectangular PID. Correct Answ...
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