MDS PREP
Which of the following epithelial changes commonly signify precancerous condition
1. Dyskeratosis
2. Hyperkeratosis
3. Parakeratosis
4. Acanthosis
Oral Pathology
Answer: 1
Dyskeratosis refers to abnormal keratinization of epithelial cells and is often associated with precancerous lesions. It indicates a disruption in normal cell maturation and can be a sign of potential malignancy. The other options may also be associated with various conditions but are not specifically indicative of precancerous changes.
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.
Choose the false statement among the four
1. X-rays are ionizing rays
2. X-rays can be focused
3. X-rays cannot be seen or touched
4. X-rays can cause mutation
Oral Pathology
Answer: 2
X-rays can be focused is a false statement; they cannot be focused in the same way as light.
Size of the bite wing film is
1. 32 * 41 mm
2. 22 * 35 mm
3. 57 * 76 mm
4. 75 * 90 mm
Oral Pathology
Answer: 1
The size of the bite wing film is 32 * 41 mm.
Hypercalcaemia is seen in
1. Hyperparathyroidism
2. Hypoparathyroidism
3. Hyperthyroidism
4. Hypthyroidism
Oral Pathology
Answer: 1
Hypercalcemia is commonly seen in hyperparathyroidism.
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.
Infectious mononucleosis has
1. Multiple draining sinuses
2. Ulcers which bruise easily
3. Palatal perforation
4. Alveolar bone loss
Oral Pathology
Answer: 2
Infectious mononucleosis is characterized by ulcers that bruise easily.
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.