MDS PREP
Which is a must for prothrombin time?
1) Thromboplastin
2) Prothrombin
3) Fibrinogen
4) Fibrin
General Pathology Answer: 1Thromboplastin is essential for prothrombin time, as it is a tissue factor that initiates the coagulation cascade.
When kVp is changed from 70 to 80 kVp the energy of photons produced
1. Decreased by 10 times
2. Increased two times
3. Increased by 10 percent
4. Remains constant
Oral Pathology
Answer: 2
Changing kVp from 70 to 80 increases the energy of photons produced significantly.
Macrodontia is associated with
1. Acromegaly
2. Pituitary gigantism
3. Hypoparathyroidism
4. Hyperthyroidism
Oral Pathology
Answer: 2
Macrodontia is associated with pituitary gigantism.
Letterer-Siwe disease is a disturbance of
1. Protein metabolism
2. Lipid metabolism
3. Mucopolysaccharide metabolism
4. Carbohydrate metabolism
Oral Pathology
Answer: 2
Letterer-Siwe disease is a disturbance of lipid metabolism.
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.
Necrotising ragged ulceration with no apparent inflammatory responses is indicative of
1. Leucocytosis
2. Polycythaemia vera
3. Sickle cell anaemia
4. Agranulocytosis
Oral Pathology
Answer: 4
Necrotizing ragged ulceration with no apparent inflammatory response is indicative of agranulocytosis.
Oral manifestation of infectious mononucleosis is most commonly
1. Bluish red spots opposite maxillary molar
2. Pseudomembrane on gingival
3. Pinpoint petechiae on the palate
4. Gingival hyperplasia
Oral Pathology
Answer: 3
Pinpoint petechiae on the palate is the most common oral manifestation of infectious mononucleosis.
Oral lesions consisting of large numbers of broad-based papillary projections, with tiny abscesses developing in an area of intense erythema, is most likely to be
1. Pyogenic granuloma
2. Gangrenous stomatitis
3. Tularemia
4. Pyostomatitis vegetans
Oral Pathology
Answer: 4
Pyostomatitis vegetans is characterized by broad-based papillary projections and can present with pustules or abscesses in an inflamed area. It is often associated with inflammatory bowel disease.