Radiology Shorts - NEET MDS Dental PG Prep

#1 Radiology

The bisecting angle technique is used to take periapical radiographs.

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Answer

The bisecting angle technique is used to take
1. Bitewing radiographs
2. Periapical radiographs
3. True occlusal radiographs of the mandible
4. None of the above

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#2 Radiology

Screen films differ from non-screen films in that they are more sensitive to X-rays than light.

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Answer

Screen films differ form non-screen films in that
1. They are more sensitive to light than X-rays
2. They are more sensitive to X-rays than light
3. They are usually used in intraoral radiography
4. They do not need intensifying screens

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#3 Radiology

In the TMJ view, the central X-ray passes through the sigmoid notch in the infracranial view.

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Answer

In which TMJ view central X-ray passes through sigmoid notch
1. Infracranial
2. Frontal view
3. Transcranial
4. Transorbital

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#4 Radiology

Mottling is seen due to scattered radiation.

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Answer

Mottling is seen due to
1. Fast film
2. Low speed film
3. Motion
4. Scattered radiation

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#5 Radiology

Zygoma fractures are best viewed by occipitomental (Waters) view. This projection provides optimal visualization of the zygomatic complex, including the zygomatic arch, zygomaticomaxillary sutures, and orbital rim, which are commonly involved in zygomatic fractures.

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Answer

Zygoma fractures can be best viewed by
1) Occipitomental view
2) Lateral oblique
3) Towne"s view
4) True lateral

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#6 Radiology

In radionuclide imaging, the most useful radiopharmaceutical for skeletal imaging is Technetium-99m linked to Methylene diphosphonate.

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Answer

In radionuclide imaging the most useful radiopharmaceutical for skeletal imaging is
1. Gallium 67
2. Technetium-sulphur-colloid
3. Technetium-99m
4. Technetium-99m linked to Methylene disphosphonate

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#7 Radiology

Waters view is the best radiograph for viewing fractures of maxillary bone. It provides excellent visualization of the maxillary complex, including the maxillary sinuses, zygomaticomaxillary sutures, and orbital floors, which are commonly involved in maxillary fractures.

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Answer

Best radiograph for viewing # of maxillary bone
1) Submentovertex
2) PA view
3) Waters view
4) Towne"s projection

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#8 Radiology

Dead bone appears on a radiograph as radiopaque.

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Answer

Dead bone appears on a radiograph as
1. Radiolucent
2. Radiopaque
3. Cotton wool appearance
4. Salt and pepper appearance

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#9 Radiology

Screen films are specifically designed to be more sensitive to light than to X-rays. They work in conjunction with intensifying screens that convert X-ray energy to light photons. The film responds primarily to the light emitted by the phosphors in the intensifying screens, not directly to X-rays.

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Answer

Screen films differ form non-screen films in that
1) They are more sensitive to light than X-rays
2) They are more sensitive to X-rays than light
3) They are usually used in intraoral radiography
4) They do not need intensifying screens

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