MDS PREP
The Maximum penetration among the following is seen with which ray
1. Alpha
2. Beta
3. Gamma
4. Electron beam
Oral Pathology
Answer: 3
Gamma rays have the maximum penetration among the listed types of radiation.
Quantity of current can be increased by
1. Increased milliamperage
2. Increased time
3. Increased tube current
4. All of the above
Oral Pathology
Answer: 4
Quantity of current can be increased by increasing milliamperage, time, and tube current.
Ramsay Hunt syndrome affects which nerve
1. 5th nerve
2. 7th nerve
3. 9th nerve
4. 10th nerve
Oral Pathology
Answer: 2
Ramsay Hunt syndrome affects the 7th nerve.
Radiodensity can be increased by
1. Decreasing mA
2. Decreasing kVp
3. Decreasing target-film distance
4. Increasing target-film distance
Oral Pathology
Answer: 3
Radiodensity can be increased by increasing target-film distance.
Osteomalacia is
1. Defective osteoid + normal mineralization
2. Normal osteoid + defective mineralization
3. Abnormal osteoid + abnormal mineralization
4. Normal osteoid and demineralization
Osteomalacia is characterized by abnormal osteoid and abnormal mineralization.
Which of the following skin lesions are correctly matched with the
1. Erythema multiforme-Steven-Johnson syndrome
2. Recurrent apthous ulcer-Bechet"s syndrome
3. Lichen planus greenspan"s syndrome
4. All of the above
Oral Pathology
Answer: 4
Erythema multiforme - Steven-Johnson syndrome: Erythema
multiforme is a condition that can progress to Steven-Johnson syndrome
(SJS), which is a severe form of the disease characterized by extensive
mucosal involvement and skin detachment.
Recurrent aphthous ulcer - Behçet's syndrome: Behçet's
syndrome is an inflammatory condition that can present with recurrent oral
ulcers, including aphthous-like lesions, along with other systemic
manifestations.
Lichen planus - Grinspan's syndrome: Grinspan's
syndrome refers to a variant of lichen planus that is associated with
diabetes mellitus and can present with oral lesions.
Yellowith discolouration of teeth is seen in children fed on
1. High-protein diet
2. Tetracylines
3. Penicillins
4. Erythromycin
Oral Pathology
Answer: 2
Yellowish discoloration of teeth in children fed on tetracyclines is common.
All of the following may occur in achondroplasia, except
1. Short and thickened muscular extremities
2. Dwarfism
3. The elbows often cannot be folded
4. Bowed legs and small hands
Oral Pathology
Answer: 3
In achondroplasia, the elbows often cannot be folded is not true; they can be folded.