1.
CDA RHS: Purpose and Technique
When considering the inverse square law in dental radiography, if the distance from the X-ray source to the film is doubled, how does this affect the intensity of the X-ray beam?
1 out of 100
2.
CDA RHS: Purpose and Technique
What is the most appropriate angle of vertical angulation for a maxillary molar periapical radiograph using the bisecting angle technique?
2 out of 100
3.
CDA RHS: Purpose and Technique
Which of the following factors does NOT affect the sharpness of a dental radiographic image?
3 out of 100
4.
CDA RHS: Purpose and Technique
In panoramic radiography, what is the primary reason for the patient to bite on a bite block during image acquisition?
4 out of 100
5.
CDA RHS: Purpose and Technique
Why is aluminum filtration used in dental X-ray tubeheads?
5 out of 100
6.
CDA RHS: Purpose and Technique
The use of a rectangular collimator in dental radiography serves to:
6 out of 100
7.
CDA RHS: Purpose and Technique
What is the effect of increasing the kVp (kilovoltage peak) on the contrast of a dental radiographic image?
7 out of 100
8.
CDA RHS: Purpose and Technique
When adjusting the milliamperage on a dental X-ray unit, what is the primary outcome on the resulting image?
8 out of 100
9.
CDA RHS: Purpose and Technique
In dental radiography, the term "contrast resolution" refers to:
9 out of 100
10.
CDA RHS: Purpose and Technique
What is the primary purpose of using a grid in dental radiography?
10 out of 100
11.
CDA RHS: Purpose and Technique
In the context of dental radiography, what is the significance of the anode heel effect?
11 out of 100
12.
CDA RHS: Purpose and Technique
What is the primary function of the fixer solution in film processing?
12 out of 100
13.
CDA RHS: Purpose and Technique
In dental radiography, the use of a faster film speed:
13 out of 100
14.
CDA RHS: Purpose and Technique
The principle of ALARA in dental radiography stands for:
14 out of 100
15.
CDA RHS: Purpose and Technique
When discussing the quality of an X-ray beam, what does the term "hardness" refer to?
15 out of 100
16.
CDA RHS: Purpose and Technique
What is the primary reason for using a lead apron with a thyroid collar during dental radiography?
16 out of 100
17.
CDA RHS: Purpose and Technique
What is the effect of using a longer PID (position-indicating device) in dental radiography?
17 out of 100
18.
CDA RHS: Purpose and Technique
The term "focal spot" in dental radiography refers to:
18 out of 100
19.
CDA RHS: Purpose and Technique
What role does the "target-to-film distance" play in dental radiography?
19 out of 100
20.
CDA RHS: Purpose and Technique
In dental radiography, what is the primary benefit of using a digital sensor over traditional film?
20 out of 100
21.
CDA RHS: Purpose and Technique
How does the kVp setting affect the "scale of contrast" in dental radiographic images?
21 out of 100
22.
CDA RHS: Purpose and Technique
What is the significance of the "object-to-film distance" in dental radiography?
22 out of 100
23.
CDA RHS: Purpose and Technique
Why is it important to align the X-ray tubehead perpendicular to the tooth and film?
23 out of 100
24.
CDA RHS: Purpose and Technique
What does the term "film fogging" refer to in dental radiography?
24 out of 100
25.
CDA RHS: Purpose and Technique
When positioning a patient for a panoramic radiograph, why is it important to have the patient's tongue touch the roof of their mouth?
25 out of 100
26.
CDA RHS: Purpose and Technique
For optimal image quality in digital radiography, why is it important to calibrate the digital sensor periodically?
26 out of 100
27.
CDA RHS: Purpose and Technique
What is the primary reason for using a lead barrier or shield in the room during X-ray generation in dental radiography?
27 out of 100
28.
CDA RHS: Purpose and Technique
How does the collimation of the X-ray beam influence patient safety in dental radiography?
28 out of 100
29.
CDA RHS: Purpose and Technique
In dental radiography, what is the primary function of the developer solution during film processing?
29 out of 100
30.
CDA RHS: Purpose and Technique
What is the significance of using a grid in panoramic dental radiography?
30 out of 100
31.
CDA RHS: Purpose and Technique
What does the term "penumbra" refer to in the context of dental radiographic imaging?
31 out of 100
32.
CDA RHS: Purpose and Technique
Why is it essential to avoid retakes in dental radiography?
32 out of 100
33.
CDA RHS: Purpose and Technique
What is the purpose of using an intensifying screen in film-based dental radiography?
33 out of 100
34.
CDA RHS: Purpose and Technique
Why is patient positioning critical when taking a dental radiograph?
34 out of 100
35.
CDA RHS: Purpose and Technique
What is the effect of increasing the exposure time in dental radiography?
35 out of 100
36.
CDA RHS: Purpose and Technique
How does the use of a digital image receptor compare to traditional film in terms of environmental impact?
36 out of 100
37.
CDA RHS: Purpose and Technique
In dental radiography, what is the purpose of using a filter in the X-ray tubehead?
37 out of 100
38.
CDA RHS: Purpose and Technique
What factor is primarily responsible for controlling the contrast of a digital radiographic image in dental radiography?
38 out of 100
39.
CDA RHS: Purpose and Technique
During dental radiography, how does increasing the distance between the X-ray source and the patient's skin impact the patient's radiation dose?
39 out of 100
40.
CDA RHS: Purpose and Technique
In the context of dental radiography, what is the primary reason for using a high-frequency X-ray generator?
40 out of 100
41.
CDA RHS: Purpose and Technique
What is the impact of using a higher film speed class in dental radiography?
41 out of 100
42.
CDA RHS: Purpose and Technique
How does the use of a CCD (Charge-Coupled Device) sensor in digital radiography affect image quality compared to CMOS (Complementary Metal-Oxide-Semiconductor) sensors?
42 out of 100
43.
CDA RHS: Purpose and Technique
What is the primary advantage of using a dual-emulsion film in dental radiography?
43 out of 100
44.
CDA RHS: Purpose and Technique
In panoramic dental radiography, what is the effect of the patient's head being tilted too far forward?
44 out of 100
45.
CDA RHS: Purpose and Technique
In panoramic dental radiography, what is the effect of the patient's head being tilted too far forward?
45 out of 100
46.
CDA RHS: Purpose and Technique
Why is it essential to use a thyroid collar during dental radiography, especially for children and young adults?
46 out of 100
47.
CDA RHS: Purpose and Technique
What is the primary concern when using outdated X-ray film in dental radiography?
47 out of 100
48.
CDA RHS: Purpose and Technique
In the context of radiation safety, what is the primary reason for the dental radiographer to stand behind a protective barrier during X-ray generation?
48 out of 100
49.
CDA RHS: Purpose and Technique
What is the significance of the "focal trough" in panoramic dental radiography?
49 out of 100
50.
CDA RHS: Radiation Safety
When considering the ALARA principle in dental radiography, which of the following actions is NOT consistent with minimizing radiation exposure?
50 out of 100
51.
CDA RHS: Radiation Safety
In dental radiography, what is the primary purpose of collimation?
51 out of 100
52.
CDA RHS: Radiation Safety
Which of the following is NOT a recommended practice for minimizing radiation exposure to the operator during dental x-ray procedures?
52 out of 100
53.
CDA RHS: Radiation Safety
What is the significance of the half-value layer in dental radiography?
53 out of 100
54.
CDA RHS: Radiation Safety
During dental radiographic procedures, why is it essential to use a thyroid collar?
54 out of 100
55.
CDA RHS: Radiation Safety
Which factor does NOT influence the quality of the x-ray beam in dental radiography?
55 out of 100
56.
CDA RHS: Radiation Safety
In the context of radiation safety, what is the primary reason for using a film badge or dosimeter for dental healthcare workers?
56 out of 100
57.
CDA RHS: Radiation Safety
What is the primary function of the aluminum filter in the dental x-ray tubehead?
57 out of 100
58.
CDA RHS: Radiation Safety
When discussing the inverse square law in dental radiography, what does it explain?
58 out of 100
59.
CDA RHS: Radiation Safety
Why is it important to avoid retakes in dental radiography?
59 out of 100
60.
CDA RHS: Radiation Safety
In dental radiography, what is the main reason for using a lead apron?
60 out of 100
61.
CDA RHS: Radiation Safety
What is the recommended procedure if a dental patient is known to be pregnant and requires an x-ray examination?
61 out of 100
62.
CDA RHS: Radiation Safety
How does the use of a digital sensor in dental radiography compare to traditional film in terms of radiation exposure?
62 out of 100
63.
CDA RHS: Radiation Safety
Which of the following is NOT a factor that affects the amount of scatter radiation during a dental x-ray procedure?
63 out of 100
64.
CDA RHS: Radiation Safety
What is the primary purpose of using high kVp settings in dental radiography?
64 out of 100
65.
CDA RHS: Radiation Safety
Why is it important to properly align the x-ray beam with the film or sensor during dental radiography?
65 out of 100
66.
CDA RHS: Radiation Safety
What is the main reason for using rectangular collimation in dental radiography?
66 out of 100
67.
CDA RHS: Radiation Safety
What is the effect of increasing the milliampere seconds (mAs) during a dental x-ray exposure?
67 out of 100
68.
CDA RHS: Radiation Safety
What is the primary benefit of using an image receptor holder in dental radiography?
68 out of 100
69.
CDA RHS: Radiation Safety
How does the inverse square law relate to the intensity of radiation and distance in dental radiography?
69 out of 100
70.
CDA RHS: Radiation Safety
In dental radiography, what is the purpose of using a grid?
70 out of 100
71.
CDA RHS: Radiation Safety
What factor is most critical in determining the level of radiation exposure to the patient in dental radiography?
71 out of 100
72.
CDA RHS: Radiation Safety
Which of the following is NOT a reason for a dental professional to wear a dosimeter?
72 out of 100
73.
CDA RHS: Radiation Safety
What is the main reason for the exponential decay characteristic of x-ray beam intensity in matter?
73 out of 100
74.
CDA RHS: Radiation Safety
Which statement is true regarding the effect of filtration in dental x-ray machines?
74 out of 100
75.
CDA RHS: Infection Prevention and Control
During the sterilization process, biological indicators (BIs) are used to:
75 out of 100
76.
CDA RHS: Infection Prevention and Control
Which of the following is NOT a recommended practice for handling sharps in a dental office?
76 out of 100
77.
CDA RHS: Infection Prevention and Control
High-level disinfectants in a dental setting should be used for:
77 out of 100
78.
CDA RHS: Infection Prevention and Control
The primary reason for flushing dental waterlines at the beginning of each day is to:
78 out of 100
79.
CDA RHS: Infection Prevention and Control
Which of the following is NOT a characteristic of an ideal surface disinfectant for dental settings?
79 out of 100
80.
CDA RHS: Infection Prevention and Control
The process of pre-cleaning dental instruments before sterilization:
80 out of 100
81.
CDA RHS: Infection Prevention and Control
Autoclave sterilization indicators change color to signify:
81 out of 100
82.
CDA RHS: Infection Prevention and Control
Which of the following is NOT a standard precaution in dental infection control?
82 out of 100
83.
CDA RHS: Infection Prevention and Control
For effective sterilization, steam autoclaves should expel air because:
83 out of 100
84.
CDA RHS: Infection Prevention and Control
The CDC recommends dental unit waterlines be monitored for microbial contamination:
84 out of 100
85.
CDA RHS: Infection Prevention and Control
The primary purpose of a chemical vapor sterilizer in a dental office is to:
85 out of 100
86.
CDA RHS: Infection Prevention and Control
Which of the following is considered a critical item in dental infection control and requires sterilization?
86 out of 100
87.
CDA RHS: Infection Prevention and Control
In the context of infection control, "spaulding classification" is used to:
87 out of 100
88.
CDA RHS: Infection Prevention and Control
When using an ultrasonic cleaner for instrument pre-cleaning, it's important to:
88 out of 100
89.
CDA RHS: Infection Prevention and Control
The correct sequence of personal protective equipment (PPE) removal in a dental setting is:
A. Gloves, gown, mask, eyewear
B. Gown, gloves, eyewear, mask
C. Gloves, eyewear, gown, mask
D. Mask, gloves, gown, eyewear
None
89 out of 100
90.
CDA RHS: Infection Prevention and Control
A "flash" sterilization cycle is primarily used in dental settings to:
90 out of 100
91.
CDA RHS: Infection Prevention and Control
The term "biofilm" in dental waterlines refers to:
91 out of 100
92.
CDA RHS: Infection Prevention and Control
The most effective method to prevent needlestick injuries after use is to:
92 out of 100
93.
CDA RHS: Infection Prevention and Control
When a dental assistant suspects a breach in infection control protocols, the FIRST step should be to:
93 out of 100
94.
CDA RHS: Infection Prevention and Control
What is the primary reason for using a dental dam during endodontic procedures?
94 out of 100
95.
CDA RHS: Infection Prevention and Control
When disposing of extracted teeth that contain amalgam fillings, what is the recommended procedure to minimize mercury exposure?
95 out of 100
96.
CDA RHS: Infection Prevention and Control
Which of the following is the most appropriate action when a surface disinfectant is not available in a dental clinic?
96 out of 100
97.
CDA RHS: Infection Prevention and Control
In the context of infection control, the term "log reduction" refers to:
97 out of 100
98.
CDA RHS: Infection Prevention and Control
The efficacy of an autoclave's sterilization cycle is NOT directly influenced by:
98 out of 100
99.
CDA RHS: Infection Prevention and Control
What is the recommended action if a patient reports a latex allergy prior to a dental procedure?
99 out of 100
100.
CDA RHS: Purpose and Technique
In digital radiography, what is the primary reason for using a sensor with a high dynamic range?
100 out of 100
