DanB RHS Review
Comprehensive Questions
(Frequently Tested) with
Verified Answers Graded A+
Which of the following structures would appear radiopaque?
-Bone -Air Space - Pulp Tissue -Periodontal Ligament - Answer: Bone
Which of the following causes interproximal areas of the teeth to look overlapped? -Patient
with a shallow palate -Patient talking -Improper horizontal angulation -Improper vertical
angulation - Answer: Improper Horizontal Angulation
To reduce radiation exposures, which is to consider before exposing a patient? -Tooth number
to be exposed -Number of images to be taken -Size of image receptor -Availability of previous x-
rays - Answer: Availability of previous x-rays
When labeling radiographs, all should be included EXCEPT... -Patients Diagnosis -Patients Name -
Dentists Name -Date of Exposure - Answer: Patients Diagnosis
Which of the following x-rays produce an image of the crowns of both the maxillary and
mandible? -Periapical _Bitewing -Ceph -Occlusal - Answer: Bitewing
When using a digital sensor, which level disinfectant should be used? -High level -Intermediate
Level -Low Level -None - Answer: Intermediate Level
,Which of the following anatomical structures carries the inferior alveolar nerve and blood
vessels to the lower teeth? -Sphenoid Sinus -Mandibular Canal -Condoyle of the Mandible -
Mandibular Sinus - Answer: Mandibular Canal
What Personal Protective Equipment will best protect an operator from transmission of
disease? (4 items) - Answer: Gown, Mask, Eyewear, and Gloves
A Panoramic x-ray appears to have a "reverse smile" when the... -Midsagittal plane is angled left
-Frankfort plane is angled down -Midsagittal plane is angles right -Frankfort pane is angled up -
Answer: Frankfort plane is angled up
What describes the time between exposure to ionizing radiation and the first symptom of
biological damage? - Answer: Latent Period
What should you ask a patient to do before exposing them to an x-ray? - Answer: Remove
glasses, jewelry, hairpins, etc
When taking digital images, when should the operator put on PPE? - Answer: Before handling
any items to be placed in the patients mouth
What units measure the amount of ionizing radiation in the air? - Answer: Roentgen (R)
What will cause a blank image to occur during exposure? - Answer: Not depressing the exposure
button completely
All of the following can be used to help reduce a patient gagging EXCEPT... -Placing salt on the
patients tongue -Using a bite block
-Asking the patient to hold their breath - Having the patient count the holes in the ceiling -
Answer: Asking the patient to hold their breath
, What causes the anterior teeth on a panoramic x-ray to look out of focus and narrow? - Answer:
Teeth positioned too far forward on the bite stick
Proper care of phosphor plates includes... -Washing with soap and water -Wiping with hydrogen
peroxide -Disinfection if contaminated
-Sterilization - Answer: Disinfection if contaminated
Which of the following is an image receptor? -Position Indicating Device (PID) -Aluminum Disk -
Exposure Button -Phosphor Plate - Answer: Phosphor plate
What most commonly causes blurred images? - Answer: Patient movement
Of the following which is the most sensitive organ? -Nasal Cavity -Ear Canal -Thyroid Gland -
Parotid Gland - Answer: Thyroid Gland
What anatomical structure supports the tooth in its position? - Answer: Alveolar Bone
What 3 types of protection should be used to minimize exposure to the radiographer? -barrier,
monitoring device, operator position -location, mask, equipment -x-ray type, control, angle of
the tubehead -chair position, stance, PID - Answer: Barrier, monitoring device, operator position
Which tooth structure is the most radiopaque? - Answer: Enamel
Phosphor plates are processed by using... -Laser beam technology -Cone-beam computed
tomography -Chemical Solutions -Digital sensor technology - Answer: Laser beam technology
What is recommended to help stabilize intraoral film when placed in a patients mouth? -
Answer: Use a sensor holder
Comprehensive Questions
(Frequently Tested) with
Verified Answers Graded A+
Which of the following structures would appear radiopaque?
-Bone -Air Space - Pulp Tissue -Periodontal Ligament - Answer: Bone
Which of the following causes interproximal areas of the teeth to look overlapped? -Patient
with a shallow palate -Patient talking -Improper horizontal angulation -Improper vertical
angulation - Answer: Improper Horizontal Angulation
To reduce radiation exposures, which is to consider before exposing a patient? -Tooth number
to be exposed -Number of images to be taken -Size of image receptor -Availability of previous x-
rays - Answer: Availability of previous x-rays
When labeling radiographs, all should be included EXCEPT... -Patients Diagnosis -Patients Name -
Dentists Name -Date of Exposure - Answer: Patients Diagnosis
Which of the following x-rays produce an image of the crowns of both the maxillary and
mandible? -Periapical _Bitewing -Ceph -Occlusal - Answer: Bitewing
When using a digital sensor, which level disinfectant should be used? -High level -Intermediate
Level -Low Level -None - Answer: Intermediate Level
,Which of the following anatomical structures carries the inferior alveolar nerve and blood
vessels to the lower teeth? -Sphenoid Sinus -Mandibular Canal -Condoyle of the Mandible -
Mandibular Sinus - Answer: Mandibular Canal
What Personal Protective Equipment will best protect an operator from transmission of
disease? (4 items) - Answer: Gown, Mask, Eyewear, and Gloves
A Panoramic x-ray appears to have a "reverse smile" when the... -Midsagittal plane is angled left
-Frankfort plane is angled down -Midsagittal plane is angles right -Frankfort pane is angled up -
Answer: Frankfort plane is angled up
What describes the time between exposure to ionizing radiation and the first symptom of
biological damage? - Answer: Latent Period
What should you ask a patient to do before exposing them to an x-ray? - Answer: Remove
glasses, jewelry, hairpins, etc
When taking digital images, when should the operator put on PPE? - Answer: Before handling
any items to be placed in the patients mouth
What units measure the amount of ionizing radiation in the air? - Answer: Roentgen (R)
What will cause a blank image to occur during exposure? - Answer: Not depressing the exposure
button completely
All of the following can be used to help reduce a patient gagging EXCEPT... -Placing salt on the
patients tongue -Using a bite block
-Asking the patient to hold their breath - Having the patient count the holes in the ceiling -
Answer: Asking the patient to hold their breath
, What causes the anterior teeth on a panoramic x-ray to look out of focus and narrow? - Answer:
Teeth positioned too far forward on the bite stick
Proper care of phosphor plates includes... -Washing with soap and water -Wiping with hydrogen
peroxide -Disinfection if contaminated
-Sterilization - Answer: Disinfection if contaminated
Which of the following is an image receptor? -Position Indicating Device (PID) -Aluminum Disk -
Exposure Button -Phosphor Plate - Answer: Phosphor plate
What most commonly causes blurred images? - Answer: Patient movement
Of the following which is the most sensitive organ? -Nasal Cavity -Ear Canal -Thyroid Gland -
Parotid Gland - Answer: Thyroid Gland
What anatomical structure supports the tooth in its position? - Answer: Alveolar Bone
What 3 types of protection should be used to minimize exposure to the radiographer? -barrier,
monitoring device, operator position -location, mask, equipment -x-ray type, control, angle of
the tubehead -chair position, stance, PID - Answer: Barrier, monitoring device, operator position
Which tooth structure is the most radiopaque? - Answer: Enamel
Phosphor plates are processed by using... -Laser beam technology -Cone-beam computed
tomography -Chemical Solutions -Digital sensor technology - Answer: Laser beam technology
What is recommended to help stabilize intraoral film when placed in a patients mouth? -
Answer: Use a sensor holder
