Oral Radiology Flashcards
Which of the following has the shortest wavelength (highest energy)?
A. X-rays
B. Infrared
C. UV
D. Gamma
E. Microwave
***GOT A PRACTICE Q***
D. Gamma
Which of the following are examples of particles from radioactive decay?
(Select all that apply)
A. alpha particles
B. beta particles
C. gamma particles
D. delta particles
A. alpha particles
B. beta particles
Which of the following is the Primary source of X-ray photons?
A. Bremsstrahlung
B. Characteristic
A. Bremsstrahlung
Which of the following generates a continuous spectrum of energy?
A. Bremsstrahlung
B. Characteristic
A. Bremsstrahlung
Which of the following emits a photon of specific energy?
A. Bremsstrahlung
B. Characteristic
B. Characteristic
Which of the following converts produces photons?
A. Cathode (-)
B. Anode (+)
B. Anode
Which of the following converts produces electrons?
A. Cathode (-)
B. Anode (+)
***GOT A PRACTICE Q***
A. Cathode (-)
Which of the following components of the X-ray tube provides filtration?
A. Cathode
B. Glass
C. Aluminum
D. Lead
C. Aluminum
Glass = insulation
Aluminum = filtration
Lead = collimation
Which of the following components of the X-ray tube provides insulation?
A. Cathode
B. Glass
C. Aluminum
D. Lead
B. Glass
Which of the following components of the X-ray tube provides collimation?
A. Cathode
B. Glass
C. Aluminum
D. Lead
D. Lead
Which of the following is responsible for the Contrast of a radiograph?
A. Intensity
B. Energy
B. Energy
Which of the following is responsible for the Density (darkness) of a radiograph?
A. Intensity
B. Energy
A. Intensity
hint: density and intensity rhyme
Which of the following is the setting of an X-ray machine that is most frequently changed?
A. Exposure time
B. Tube Current
C. Tube potential
D. Filtration
E. Collimation
***BOARDS***
A. Exposure time
Which of the following affects BOTH intestity and energy?
A. Exposure time
B. Tube Current
C. Tube potential
D. Filtration
E. Collimation
C. Tube potential
The greatest decrease in radiation to a patient is achieved by ________.
A. Exposure time
B. Tube Current
C. Tube potential
D. Filtration
E. Collimation
***BOARDS***
E. Collimation
The greatest decrease in radiation to a patient is achieved by ________.
A. Exposure time
B. Tube Current
C. Rectangular collimation
D. Filtration
E. Circular collimation
***BOARDS***
C. Rectangular collimation
_______ is the shadow behind an image.
A. Umbra
B. Penumbra
A. Umbra
Umbra = shadow behind image
Penumbra = side shadow
Cells that are more _____ are more radiosensitive.
***BOARDS***
Mitotically active
Cells that are highly metabolically active / radiosensitive = sperm cells, GI cells, skin cells (epithelial cells) and bone marrow (hematopoietic cells)
Which of the following is the most radiosensitive?
(select all that apply)
A. Nerve cells
B. Heamtopoietic cells
C. Muscle cells
D. Epithelial cells
***BOARDS***
B. Heamtopoietic cells
D. Epithelial cells
What do each of the following acronyms stand for in regards to radiology?
- ALARA
- ALADA
The _____ is what converts the invisible image to a visible image in regards to radiography.
The developer solution
“if the final image is coming out really light, chances are that your developer solution isn’t doing its job properly (its probably old and needs to be replaced)”
Which of the following is the best film to visualize condyles?
A. Cephalometic
B. Cone Beam Computed Tomography (CBCT)
C. Water’s View
D. Towne’s View
E. Submentovertex View
***BOARDS***
D. Towne’s View
Which of the following is the best film to visualize paranasal sinuses?
A. Cephalometic
B. Cone Beam Computed Tomography (CBCT)
C. Water’s View
D. Towne’s View
E. Submentovertex View
***BOARDS***
C. Water’s View
Which of the following is the best film to visualize implant planning?
A. Cephalometic
B. Cone Beam Computed Tomography (CBCT)
C. Water’s View
D. Towne’s View
E. Submentovertex View
***BOARDS***
B. Cone Beam Computed Tomography (CBCT)
Which of the following is the best film to visualize basilar skull and zygomatic fractures?
A. Cephalometic
B. Cone Beam Computed Tomography (CBCT)
C. Water’s View
D. Towne’s View
E. Submentovertex View
***BOARDS***
E. Submentovertex View
Which of the following is the best film to visualize Assymetry?
A. Lateral Cephalometric
B. Cone Beam Computed Tomography (CBCT)
C. Posterior-Anterior Cephalometric
D. Towne’s View
E. Submentovertex View
C. Posterior-Anterior Cephalometric
Which of the following is the best film to visualize the relationship of teeth and jaws?
A. Lateral Cephalometric
B. Cone Beam Computed Tomography (CBCT)
C. Posterior-Anterior Cephalometric
D. Towne’s View
E. Submentovertex View
A. Lateral Cephalometric
Which of the following is the most common radiographic error?
A. Elongation
B. Cone cut
C. Underexposed
D. Overexposed
E. Double exposure
A. Elongation
