DHYG 1304 - Exam 3 Questions with Verified Solutions Graded A+
For the infection to occur, each of the following conditions must be present except one. Which
one is the exception? - Answers an acceptable barrier
Which of the following will correct an elongated image? - Answers increasing the vertical
angulation
To break the chain of infection, each of the following must be considered except one. Which
one is the exception? - Answers make contact with contaminated objects or instruments
Comparing the paralleling technique with the bisecting technique, which of the following
statements is correct? - Answers proficiency should be achieved in both technique
T/F: The bisecting technique is applied when the image receptor cannot be placed parallel to the
long axis of the teeth. - Answers True
Which of the following is not an advantage of the paralleling technique? - Answers it is ideal for
positioning radiographs for children
Effective verbal communication begins with: - Answers facing the patient directly, maintaining
eye contact, and giving specific directions
Which of the following statements is false?
-size 2 image receptors are best for posterior periapical regions
-size 1 image receptor is the best fit for the canine region
-size 3 image receptor is used for occlusal radiograph
-the long dimension of the image receptor is positioned horizontally in the posterior periapical
regions - Answers size 3 image receptor is used for occlusal radiographs
T/F: The Consumer-Patient Health and Safety Act provides patients with more control over how
their personal health information is used and disclosed. - Answers False
T/F: The purpose of the periapical examination is to record the crowns and alveolar bone crests
of the teeth in both arches on one radiograph. - Answers False
T/F: The periapical examination is sometimes referred to as an interproximal radiograph. -
Answers False
T/F: Dental radiographs must be retained by the dentist for 10 years after the patient leaves the
practice. - Answers False
T/F: All states have certification requirements for personnel taking dental radiographs. -
Answers False
, Lead aprons are classified as _____ objects - Answers noncritical
The principles of the paralleling technique include each of the following except one. Which one
is the exception?
-the central ray of the x-ray beam is directed perpendicular to the tooth and to the image
receptor
-parallel placement of the image receptor is accomplished using an image receptor holder
-the image receptor is placed parallel to the long axis of the tooth of interest
-the central ray of the x-ray beam is directed at a plane halfway between the long axis of the
tooth and the long axis of the image receptor - Answers the central ray of the x-ray beam is
directed at a plane halfway between the long axis of the tooth and the long axis of the image
receptor
To give informed consent, each of the following must be explained to the patient except one.
Which one is the exception?
-the risks and benefits of taking radiographs
-the purpose of taking radiographs
-the possible risks of refusing radiographs
-how the radiographs will be taken - Answers how the radiographs will be taken
T/F: Good patient relations can reduce the risk of possible legal action. - Answers True
Which of these is not a disadvantage of the bisecting technique?
-image receptor positioning is difficult for patients with small mouths
-estimating the location of the imaginary bisecting may be difficult
-adjacent structures are often superimposed
-it produces images with dimension distortion - Answers image receptor positioning is difficult
for patients with small mouths
Anterior periapical radiographs should be positioned in the oral cavity with the long dimension
_____, and posterior periapical radiographs should be positioned in the oral cavity with the long
dimension _____ - Answers -vertical
-horizontal
The presence of each of the following conditions may indicate using the bisecting technique
For the infection to occur, each of the following conditions must be present except one. Which
one is the exception? - Answers an acceptable barrier
Which of the following will correct an elongated image? - Answers increasing the vertical
angulation
To break the chain of infection, each of the following must be considered except one. Which
one is the exception? - Answers make contact with contaminated objects or instruments
Comparing the paralleling technique with the bisecting technique, which of the following
statements is correct? - Answers proficiency should be achieved in both technique
T/F: The bisecting technique is applied when the image receptor cannot be placed parallel to the
long axis of the teeth. - Answers True
Which of the following is not an advantage of the paralleling technique? - Answers it is ideal for
positioning radiographs for children
Effective verbal communication begins with: - Answers facing the patient directly, maintaining
eye contact, and giving specific directions
Which of the following statements is false?
-size 2 image receptors are best for posterior periapical regions
-size 1 image receptor is the best fit for the canine region
-size 3 image receptor is used for occlusal radiograph
-the long dimension of the image receptor is positioned horizontally in the posterior periapical
regions - Answers size 3 image receptor is used for occlusal radiographs
T/F: The Consumer-Patient Health and Safety Act provides patients with more control over how
their personal health information is used and disclosed. - Answers False
T/F: The purpose of the periapical examination is to record the crowns and alveolar bone crests
of the teeth in both arches on one radiograph. - Answers False
T/F: The periapical examination is sometimes referred to as an interproximal radiograph. -
Answers False
T/F: Dental radiographs must be retained by the dentist for 10 years after the patient leaves the
practice. - Answers False
T/F: All states have certification requirements for personnel taking dental radiographs. -
Answers False
, Lead aprons are classified as _____ objects - Answers noncritical
The principles of the paralleling technique include each of the following except one. Which one
is the exception?
-the central ray of the x-ray beam is directed perpendicular to the tooth and to the image
receptor
-parallel placement of the image receptor is accomplished using an image receptor holder
-the image receptor is placed parallel to the long axis of the tooth of interest
-the central ray of the x-ray beam is directed at a plane halfway between the long axis of the
tooth and the long axis of the image receptor - Answers the central ray of the x-ray beam is
directed at a plane halfway between the long axis of the tooth and the long axis of the image
receptor
To give informed consent, each of the following must be explained to the patient except one.
Which one is the exception?
-the risks and benefits of taking radiographs
-the purpose of taking radiographs
-the possible risks of refusing radiographs
-how the radiographs will be taken - Answers how the radiographs will be taken
T/F: Good patient relations can reduce the risk of possible legal action. - Answers True
Which of these is not a disadvantage of the bisecting technique?
-image receptor positioning is difficult for patients with small mouths
-estimating the location of the imaginary bisecting may be difficult
-adjacent structures are often superimposed
-it produces images with dimension distortion - Answers image receptor positioning is difficult
for patients with small mouths
Anterior periapical radiographs should be positioned in the oral cavity with the long dimension
_____, and posterior periapical radiographs should be positioned in the oral cavity with the long
dimension _____ - Answers -vertical
-horizontal
The presence of each of the following conditions may indicate using the bisecting technique
