MDS PREP
In bone scintigraphy all is guessed except
1. Avascular necrosis
2. Fractures
3. Osteomyelitis
4. None
Radiology
Answer: 4
In bone scintigraphy, all is guessed except none.
One advantage of digital radiography is
1. All the teeth can be in a single film
2. Highly economical
3. The radiographic images are obtained immediately
4. None of the above
Radiology
Answer: 3
One advantage of digital radiography is that the radiographic images are obtained immediately.
The region which is closest to satisfying all the principles of shadow casting and parallel placement of the film in a paralleling technique full mouth series of periodical radiographs is
1. Maxillary premolar view
2. Mandibular premolar view
3. Maxillary molar view
4. Mandubular molar view
Radiology
Answer: 4
The region closest to satisfying all the principles of shadow casting and parallel placement of the film in a paralleling technique full mouth series of periapical radiographs is mandibular molar view.
Too light, thin, faded image on radiographic film is the result of
1. Overexposure of film
2. Concentrated developer solution
3. Exhausted developer solution
4. Pre-exposure of radiographic
Radiology
Answer: 3
Too light, thin, faded image on radiographic film is the result of exhausted developer solution.
Submentovertex is useful in viewing
1. Body of mandible
2. Fractures of zygomatic arch
3. Fractures of base of skull
4. All of the above
Radiology
Answer: 4
Submentovertex is useful in viewing all of the above: body of mandible, fractures of zygomatic arch, fractures of base of skull.
According to the American Society of Aneasthesiologists, the physical status of a patient with mild systemic disease that limits activity but no incapacitating may be classified as
1. ASA I
2. ASA II
3. ASA III
4. ASA IV
Radiology
Answer: 3
According to the American Society of Anesthesiologists, the physical status of a patient with mild systemic disease that limits activity but is not incapacitating may be classified as ASA II.
In panaromic radiograph, smiling appearance of structures occurs if patient chin is
1. Placed anterior to focal trough
2. Placed posterior to focal length
3. Tilted downward
4. Tilted upwards
Radiology
Answer: 3
In a panoramic radiograph, a smiling appearance of structures occurs if the patient's chin is tilted downward.