MDS PREP

X-rays cause radiation damage primarily by their property of
1. Penetration
2. Radioactivity
3. Electromagnetic induction
4. Ionisation

Radiology Answer: 4

The extraoral radiograph that best demonstrates the subcondylar portion of mandible is the (neck of the condyle)
1) AP mandible
2) Waters view
3) Towne"s view
4) Submental vertex

Radiology Answer: 3

Which of the following statements is false
1. "Unsafe" dark room lights cause fogging of films
2. Alveolar resorption is easily recognized on X-ray
3. Decreasing focal skin distance increases radiation safety factor
4. None of the above

Radiology Answer: 3

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

Disadvantages of using a GRID during radiography is
1) Increased patient exposure
2) Decreased exposure time
3) Increased secondary radiation fog to film
4) Reduces secondary radiation to film

Radiology Answer: 1

Which of the following imaging techniques cannot differentiate benign and malignant tumours of salivary gland
1) Scintigraphy
2) CT scan
3) MRI
4) Sialography

Radiology Answer: 1

According to "heel effect" when cathod rays strike anode target, X-ray released with high intensity are found towards
1. Anode
2. Cathode
3. In between anode anode and cathod
4. None of the above

Radiology Answer: 2

Radiation produced form tube other than focal spot is called
1) Stray radiation
2) Scattered radiation
3) Characteristic radiation
4) Primary radiation

Radiology Answer: 1

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MDS PREP

X-rays cause radiation damage primarily by their property of 1. Penetration 2. Radioactivity 3. Electromagnetic induction 4. Ionisation

The extraoral radiograph that best demonstrates the subcondylar portion of mandible is the (neck of the condyle)1) AP mandible2) Waters view3) Towne"s view4) Submental vertex

Which of the following statements is false 1. "Unsafe" dark room lights cause fogging of films2. Alveolar resorption is easily recognized on X-ray3. Decreasing focal skin distance increases radiation safety factor4. None of the above

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 is1) Maxillary premolar view2) Mandibular premolar view3) Maxillary molar view4) Mandubular molar view

Disadvantages of using a GRID during radiography is1) Increased patient exposure2) Decreased exposure time3) Increased secondary radiation fog to film4) Reduces secondary radiation to film

Which of the following imaging techniques cannot differentiate benign and malignant tumours of salivary gland1) Scintigraphy2) CT scan3) MRI4) Sialography

According to "heel effect" when cathod rays strike anode target, X-ray released with high intensity are found towards 1. Anode 2. Cathode 3. In between anode anode and cathod 4. None of the above

Radiation produced form tube other than focal spot is called1) Stray radiation2) Scattered radiation3) Characteristic radiation4) Primary radiation

Explore by subjects

X-rays cause radiation damage primarily by their property of
1. Penetration
2. Radioactivity
3. Electromagnetic induction
4. Ionisation

The extraoral radiograph that best demonstrates the subcondylar portion of mandible is the (neck of the condyle)
1) AP mandible
2) Waters view
3) Towne"s view
4) Submental vertex

Which of the following statements is false
1. "Unsafe" dark room lights cause fogging of films
2. Alveolar resorption is easily recognized on X-ray
3. Decreasing focal skin distance increases radiation safety factor
4. None of the above

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

Disadvantages of using a GRID during radiography is
1) Increased patient exposure
2) Decreased exposure time
3) Increased secondary radiation fog to film
4) Reduces secondary radiation to film

Which of the following imaging techniques cannot differentiate benign and malignant tumours of salivary gland
1) Scintigraphy
2) CT scan
3) MRI
4) Sialography

According to "heel effect" when cathod rays strike anode target, X-ray released with high intensity are found towards
1. Anode
2. Cathode
3. In between anode anode and cathod
4. None of the above

Radiation produced form tube other than focal spot is called
1) Stray radiation
2) Scattered radiation
3) Characteristic radiation
4) Primary radiation