MDS PREP
A black line on the gingiva which follows the contour of the margin is due to
1. Lead
2. Argyria
3. Iron
4. Mercury
Oral Pathology
Answer: 4
A black line on the gingiva which follows the contour of the margin is due to mercury.
Acanthosis is
1. Increase in mitotic division
2. Increase in thickness of superficial layer
3. Increase in thickness of spinous layer
4. Disruption of basal lamina
Oral Pathology
Answer: 3
Acanthosis refers to the hyperplasia or
thickening of the stratum spinosum layer of the epidermis or epithelium. It is
often seen in conditions such as psoriasis or lichen planus. This is distinct
from other phenomena like increased mitotic division or disruption of the basal
lamina.
What is the typical microscopic finding in subacute granulomatous thyroiditis?
1) Diffuse lymphocytic infiltration
2) Microabscesses and granulomatous inflammation
3) Hashimoto's thyroiditis
4) Thyroid follicular hyperplasia
Microabscesses and granulomatous inflammation are typical microscopic findings in subacute granulomatous thyroiditis.
Radiation dose to patient can be reduced by all of the following except
1. Speed films
2. Filters
3. By increasing target-object distance
4. Decreasing kilovoltage potential
Radiation dose can be reduced by using speed films, filters, and increasing target-object distance.
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.
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.
Which of the following has the potential of undergoing spontaneous malignant transformation
1. Osteomalacia
2. Albright"s syndrome
3. Paget"s disease of bone
4. Osteogenesis imperfecta
Oral Pathology
Answer: 3
Paget's disease of bone has the potential for spontaneous malignant transformation.
An etiological factor for macroglossia is
1. Atrophic glossitis
2. Oral submucous fibrosis
3. Syphilitic glossitis
4. Hurler"s syndrome
Oral Pathology
Answer: 4
An etiological factor for macroglossia is Hurler's syndrome.