MDS PREP
The best image obtained if duplicating film is exposed tp
1. X-rays
2. UV rays
3. Visible light
4. Infrared light
Radiology
Answer: 2
The best image obtained if duplicating film is exposed to UV rays.
Selection of kilovoltage for dental films depends on
1. Target-firm distance
2. Film-object distance
3. Density of tissues radiographed
4. All of the above
Radiology
Answer: 3
Selection of kilovoltage for dental films depends on the density of tissues radiographed.
Arthroscopy of TMJ is useful in
1. Internal derangement
2. Fracture of condyle
3. Ankylosis
4. Hyperplasia
Radiology
Answer: 1
Arthroscopy of TMJ is useful in internal derangement.
Best X-ray for mesiodens is
1. Occlusal
2. PA view
3. Panorex
4. Bitewing
Radiology
Answer: 1
The best X-ray for mesiodens is occlusal.
Imaging technique with MAX radiation exposure to patient?
1. chest x-ray
2. MRI
3. CT scan
4. bone scan
Radiology
Answer: 3
Explanation: Among the imaging techniques listed, a CT (computed tomography) scan typically involves the highest radiation exposure to the patient. This is due to the multiple X-ray images taken from different angles to create cross-sectional images of the body.
Quality of x-ray beam is dependent on which component of dental unit
1. Autotransformer
2. Ammeter
3. Temperature of cathode filament
4. Step-down transformer
Radiology
Answer: 1
Quality of the x-ray beam is dependent on the temperature of the cathode filament.
Lamina dura is
1. Radiographic appearance of alveolar bone proper
2. Radiographic appearance of cortical bone
3. Radiographic appearance of cancellous bone
4. All of the above
Radiology
Answer: 1
Lamina dura is the radiographic appearance of alveolar bone proper.
In order to determine anterior-posterior extent of ameloblastma in mandibular molar area, you would like to use following projection
1. Waster view
2. PA view of mandible
3. Distal oblique
4. Lateral oblique view
Radiology
Answer: 3
To determine the anterior-posterior extent of ameloblastoma in the mandibular molar area, the projection used is distal oblique.