MDS PREP
Port wine stains are seen in
1. Nevus
2. Haemangioma
3. Melanoma
4. All the above
Port wine stains are seen in hemangioma.
What is the role of vitamin D in calcium metabolism?
1) Increases renal excretion of calcium
2) Decreases absorption of dietary calcium
3) Activates absorption of dietary calcium
4) Inhibits bone resorption
Vitamin D plays a crucial role in calcium metabolism by activating the absorption of dietary calcium in the intestines.
A young patient who has a long standing habit of sucking lemons has loss of tooth substance affecting the anterior teeth. The correct term for this gradual loss of tooth substance is called
1. Abrasion
2. Attrition
3. Erosion
4. Intrusion
Oral Pathology
Answer: 3
The gradual loss of tooth substance due to sucking lemons is called erosion.
Bleeding time is prolonged in
1. Haemophilia
2. Von Willebrand"s disease
3. Henoch-Schonlein purpura
4. Telangiectasia
Oral Pathology
Answer: 2
Bleeding time is prolonged in von Willebrand's disease.
What are common signs of Cushing's syndrome?
1) Hyperkalemia and extreme fatigue
2) Central obesity and a buffalo hump
3) Decreased blood glucose levels
4) Testicular atrophy
Common signs of Cushing's syndrome include central obesity and a buffalo hump, resulting from excess cortisol production.
A 30-year-old woman presents with recurrent spontaneous abortions and recurrent thrombosis; her symptoms are most likely due to a deficiency of which substance?
1) PA inhibitors
2) Plasmin
3) Protein C
4) Thrombin
General Pathology
Answer: 3
A deficiency of Protein C can lead to recurrent spontaneous abortions and thrombosis due to impaired regulation of coagulation.
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.
The commonest opportunistic infection in AIDS cases in India
1) Pneumocystic carinii
2) Cryptococcal meningitis
3) Toxoplasmosis
4) Tuberculosis
Oral Pathology
Answer: 1
Explanation: A compound odontoma is a type of odontogenic tumor that consists of multiple small tooth-like structures (denticles) and resembles the anatomy of normal teeth. In contrast, a complex odontoma has a more disorganized structure and does not resemble normal teeth.