MDS PREP

X-rays were discovered in
1. Nov 1897
2. Oct 1985
3. Nov 1895
4. Nov 1890

Radiology Answer: 3

Which of the following is not a form of ionising radiation
1) Alpha-particles
2) Beta-particles
3) X-rays
4) Radiowaves

Radiology Answer: 4

Nasal septum can be best viewed by
1) Occipitomental view
2) Submentovertex
3) Lateral skull
4) Towne"s view

Radiology Answer: 1

The normal anatomical structure which is radiopacent and overlaps maxillary molar roots in short cone technique
1. Zygomatic process
2. Maxillary tuberosity
3. Maxillary sinus
4. Palatine process of maxilla

Radiology Answer: 1

Waters projection is useful for eveluating
1) Frontal and ethmoidal sinuses
2) Maxillary sinus
3) Zygomaticofrontal suture and nasal cavity
4) All of the above

Radiology Answer: 4

A consistant radiographic feature in Page"s disease is
1) Hypercementosis of tooth
2) Widened periodontal ligament
3) Loss of normal trabecular pattern of bone
4) Root resorption

Radiology Answer: 1

Most sensitive phase in cell division to radiation is
1) G1 phase
2) Mitotic rate of cells
3) G2 phase
4) None of the above

Radiology Answer: 3

At 80 kVp and 15 mA and target film distance of 8 cm, exposure time is 8 seconds. The exposure time at 4 cm is
1) 4 seconds
2) 2 seconds
3) 1 second
4) 1/4 second

Radiology Answer: 2

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MDS PREP

X-rays were discovered in 1. Nov 18972. Oct 19853. Nov 18954. Nov 1890

Which of the following is not a form of ionising radiation1) Alpha-particles2) Beta-particles3) X-rays4) Radiowaves

Nasal septum can be best viewed by1) Occipitomental view2) Submentovertex3) Lateral skull4) Towne"s view

The normal anatomical structure which is radiopacent and overlaps maxillary molar roots in short cone technique 1. Zygomatic process 2. Maxillary tuberosity 3. Maxillary sinus 4. Palatine process of maxilla

Waters projection is useful for eveluating 1) Frontal and ethmoidal sinuses2) Maxillary sinus3) Zygomaticofrontal suture and nasal cavity4) All of the above

A consistant radiographic feature in Page"s disease is1) Hypercementosis of tooth2) Widened periodontal ligament3) Loss of normal trabecular pattern of bone4) Root resorption

Most sensitive phase in cell division to radiation is1) G1 phase2) Mitotic rate of cells3) G2 phase4) None of the above

At 80 kVp and 15 mA and target film distance of 8 cm, exposure time is 8 seconds. The exposure time at 4 cm is1) 4 seconds2) 2 seconds3) 1 second4) 1/4 second

Explore by subjects

X-rays were discovered in
1. Nov 1897
2. Oct 1985
3. Nov 1895
4. Nov 1890

Which of the following is not a form of ionising radiation
1) Alpha-particles
2) Beta-particles
3) X-rays
4) Radiowaves

Nasal septum can be best viewed by
1) Occipitomental view
2) Submentovertex
3) Lateral skull
4) Towne"s view

The normal anatomical structure which is radiopacent and overlaps maxillary molar roots in short cone technique
1. Zygomatic process
2. Maxillary tuberosity
3. Maxillary sinus
4. Palatine process of maxilla

Waters projection is useful for eveluating
1) Frontal and ethmoidal sinuses
2) Maxillary sinus
3) Zygomaticofrontal suture and nasal cavity
4) All of the above

A consistant radiographic feature in Page"s disease is
1) Hypercementosis of tooth
2) Widened periodontal ligament
3) Loss of normal trabecular pattern of bone
4) Root resorption

Most sensitive phase in cell division to radiation is
1) G1 phase
2) Mitotic rate of cells
3) G2 phase
4) None of the above

At 80 kVp and 15 mA and target film distance of 8 cm, exposure time is 8 seconds. The exposure time at 4 cm is
1) 4 seconds
2) 2 seconds
3) 1 second
4) 1/4 second