MDS PREP
Tobacco usage has been associated with
1. Hyperkeratosis
2. Erythema
3. Ulceration
4. None of the above
Oral Pathology
Answer: 1
Tobacco use, particularly smoking, is known to cause various oral lesions, including hyperkeratosis, which is a thickening of the outer layer of the skin or mucous membranes. This can manifest as leukoplakia or other forms of keratosis in the oral cavity. While tobacco can also lead to erythema and ulceration, hyperkeratosis is the most directly associated condition.
The deficiency of which of the following vitamins does not affect tooth development
1. Vit A
2. Vit D
3. Vit C
4. Vit K
Oral Pathology
Answer: 4
Vitamin K deficiency does not affect tooth development.
Badges should be worn by dental technician every
1. 1 month
2. 3 months
3. 6 months
4. 4 months
Oral Pathology
Answer: 1
Badges should be worn by dental technicians every 3 months to monitor radiation exposure.
The function of the facial nerve is best tested by
1. Swallowing
2. Whistling
3. Protruding tongue
4. Moving the mandible side to side
The function of the facial nerve is best tested by whistling.
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.
Giant cells are a characteristic histopathologic finding in
1. Aphthous ulcers
2. Aneurysmal bone cyst
3. Brown tumour of hyper parathyroidism
4. Dentigerous cyst
Oral Pathology
Answer: 2
Giant cells are a characteristic histopathologic finding in an aneurysmal bone cyst.
Hyperplasia or hypertrophy of minor salivary glands in the palate may be associated with all of the following except
1. Pernicious anaemia or iron deficiency anaemia
2. Alcoholism
3. Diabetes mellitus
4. Menopause
Oral Pathology
Answer: 1
Hyperplasia or hypertrophy of minor salivary glands in the palate is not typically associated with pernicious anemia.
Osteoradionecrosis is due to
1. Endarteritis of blood vessels
2. Damage to periosteum
3. Damage to lymphatics
4. All of the above
Oral Pathology
Answer: 1
Osteoradionecrosis is due to endarteritis of blood vessels.