MDS PREP
Macrodontia is associated with
1. Acromegaly
2. Pituitary gigantism
3. Hypoparathyroidism
4. Hyperthyroidism
Oral Pathology
Answer: 2
Macrodontia is associated with pituitary gigantism.
Koplik spots
1) First manifestation of measles
2) Rarely seen in measles
3) Are seen 2-3 days after cutaneous rashes
4) Is first manifestation but seldom seen
Oral Pathology
Answer: 4
Koplik spots are first manifestation but seldom seen.
Koplik spots are small, white spots with a bluish-white color that appear on the
inside of the cheek opposite the molars in individuals with measles. They are
considered a pathognomonic sign of measles and typically appear 2-3 days before
the onset of the characteristic skin rash. However, they are not commonly
observed in all cases, making them a less frequently seen early manifestation of
the disease. They are small and can be easily overlooked or mistaken for other
oral conditions.
When a shielded open cone is used the gonadal dose to a patient is mainly from
1. Leakage from tube
2. Primary X-ray tube
3. Scatters from patient"s face
4. All of the above
Oral Pathology
Answer: 3
The gonadal dose mainly comes from leakage from the tube when using a shielded open cone.
Orange peel and ground glass radiographic appearance is observed in case of
1. Paget"s disease
2. Ewing"s sarcoma
3. Osteosarcoma
4. Fibrous dysplasia
Orange peel and ground glass radiographic appearance is observed in fibrous dysplasia.
Clinical features of which of the following include conjunctivitis, urethritis mucocutaneous lesions and arthritis?
1. Behcet"s syndrome
2. Hodgkin"s disease
3. Grinspan syndrome
4. Ehlers-Danlos syndrome
Oral Pathology
Answer: 1
Behçet's syndrome is a systemic vasculitis characterized by recurrent oral and genital ulcers, uveitis (which can lead to conjunctivitis), skin lesions, and arthritis.
Koebner"s phenomenon is seen with
1. Erythema multiforme
2. Pemphigoid
3. Psoriasis
4. Impetigo
Oral Pathology
Answer: 3
Koebner's phenomenon refers to the development of skin lesions at the site of trauma in individuals with certain skin conditions. It is most commonly associated with psoriasis, where new psoriatic plaques can form following skin injury or trauma.
The histopathology of osteopetrosis shows
1. Endosteal bone formation and lack of normal bone resorption
2. Periosteal bone formation and lack of normal bone resorption
3. Presence of numerous osteoclasts and a few osteoblasts
4. None of the above
Oral Pathology
Answer: 1
The histopathology of osteopetrosis shows endosteal bone formation and lack of normal bone resorption.
Reduced salivary flow following irradiation is dose dependent. At what dose does the flow reach essentially zero?
1. 4000 rads
2. 5000 rads
3. 6000 rads
4. 7000 rads
Oral Pathology
Answer: 3
Reduced salivary flow reaches essentially zero at a dose of 6000 rads.