RHS Practice exam Questions & Answers, 100% Accurate. VERIFIED.
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Course
RHS
Institution
RHS
RHS Practice exam Questions & Answers, 100% Accurate. VERIFIED.
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. - -D. federal, state and local laws.
...
RHS Practice exam Questions &
Answers, 100% Accurate. VERIFIED.
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. - ✔✔-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. - ✔✔-B. using a circular PID.
Which of the following is most essential when labeling the film mount?
A. Dentist name
B. Patient name
C. Dentist address
D. Patient address - ✔✔-B. Patient name
Which of the following errors occur when the vertical angulation is incorrect?
A. Cone cut
B. Blurred image
C. Elongation
,D. Overlapping - ✔✔-C. Elongation
Which of the following was established to address the education and certification of operators of
radiographic equipment?
A. Radiation Control for Health and Safety
B. National Council on Radiation Protection and Measurements
C. Consumer-Patient Radiation Health and Safety Act
D. International Commission on Radiation Units and Measurements - ✔✔-C. Consumer-Patient
Radiation Health and Safety Act
Which of the following protection techniques is used to minimize x-radiation exposure to the operator?
A. Structural shielding
B. Wearing a lead line apron
C. Wearing a dosimeter
D. Standing next to the tubehead - ✔✔-A. Structural shielding
When changing the 8-inch PID to a 16-inch PID, which of the following is used to determine the intensity
of the beam?
A. Rule of isometry
B. Inverse square law
C. Exposure chart
D. SLOB rule - ✔✔-B. Inverse square law
Once the film has been removed from the protective packet, the dental assistant should
A. recycle lead foil in separate container.
B. dispose the lead foil in trash.
C. dispose of entire packet in trash.
D. recycle the black paper in separate container. - ✔✔-A. recycle lead foil in separate container.
,Before exposing radiographs on a minor, the dental assistant should
A. obtain consent from parent or legal guardian.
B. explain radiographs are mandatory for all patients.
C. explain radiographs are required by insurance.
D. obtain consent from the patient. - ✔✔-A. obtain consent from parent or legal guardian.
Which of the following helps to decrease exposure of the thyroid gland from the primary radiation
beam?
A. Bisecting angle technique
B. Use of round collimation
C. Paralleling technique
D. Decreasing the x-ray focal plane - ✔✔-C. Paralleling technique
Back-scatter radiation to the film is prevented by the
A. outer wrap.
B. black paper.
C. polysoft wrapping.
D. lead foil. - ✔✔-D. lead foil.
Which of the following results in a double image radiograph?
A. Processing two exposed films together
B. Exposing a duplicating film
C. Processing two unexposed films together
D. Exposing the same film twice - ✔✔-D. Exposing the same film twice
The maximum permissible dose (MPD) of ionizing radiation for occupational exposure is
A. 5.0 rem per year.
B. 0.05 rem per year.
C. 0.5 rem per year.
, D. 1.0 rem per year. - ✔✔-A. 5.0 rem per year.
Which of the following pathogens is NOT found in oral or respiratory secretions?
A. Mycobacterium tuberculosis
B. Hepatitis B virus
C. Flu virus
D. West Nile virus - ✔✔-D. West Nile virus
The most common reason for taking bitewing radiographs is to evaluate
A. occlusal caries.
B. incipient caries.
C. calculus.
D. interproximal caries. - ✔✔-D. interproximal caries.
How often should protective clothing be changed in an oral healthcare setting?
A. Twice daily
B. After each patient
C. Once weekly
D. When visibly soiled - ✔✔-D. When visibly soiled
Storing unexposed radiographic film in high humidity conditions may cause
A. film browning.
B. cracks in the emulsion.
C. film fog.
D. herringbone effect. - ✔✔-C. film fog.
The best way to prevent cross-contamination from an exposed film packet is by
A. using an antiseptic rinse agent.
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