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NEET MDS Quiz - Practice Test
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Oral Pathology - 3 Questions

1
Oral Pathology

All of the following statements about idiopathic thrombocytopenic purpura are true except 
1. It is associated with platelet-specific autoantibodies
2. It causes a prolonged bleeding time
3. It is often controllable by immunosuppressive treatment
4. It causes more prolonged haemorrhage than haemophilia

📠Explanation:

  1. It is associated with platelet-specific autoantibodies: This statement is true. ITP is characterized by the presence of autoantibodies that specifically target and destroy platelets, leading to thrombocytopenia (low platelet count).

  2. It causes a prolonged bleeding time: This statement is true. In ITP, the low platelet count results in a prolonged bleeding time, as there are fewer platelets available to form a clot.

  3. It is often controllable by immunosuppressive treatment: This statement is true. ITP can often be managed with immunosuppressive therapies, such as corticosteroids, intravenous immunoglobulin (IVIG), or other immunosuppressive agents, to help increase platelet counts.

  4. It causes more prolonged hemorrhage than hemophilia: This statement is not true. While both ITP and hemophilia can lead to bleeding, the mechanisms are different. Hemophilia is a clotting factor deficiency, which can lead to more severe and prolonged bleeding episodes, especially after trauma or surgery. In contrast, ITP primarily affects the number of platelets rather than the clotting factors. Therefore, the bleeding in hemophilia can be more severe and prolonged compared to that in ITP.

2
Oral Pathology
Which of the following diseases exhibits high arched palate? 
 1. Marfan"s syndrome and Downs syndrome
 2. Pierre-Robin syndrome and Trachear Collins syndrome
 3. Craniofacial dyostosis and cleidocranial dysplasia
 4. All of the above

📠Explanation:

All of the mentioned syndromes can exhibit high arched palate. Marfans syndrome shows high arched palate due to connective tissue abnormalities. Down syndrome may have high arched palate. Pierre-Robin syndrome has micrognathia with high arched/cleft palate. Treacher Collins syndrome shows palatal defects. Craniofacial dysostosis (Crouzons) and cleidocranial dysplasia both can present with high arched palate due to developmental abnormalities affecting craniofacial growth.

3
Oral Pathology
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

📠Explanation:

The gradual loss of tooth substance due to sucking lemons is called erosion.

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