MDS PREP
Attrition is
1. The loss by wear of tooth substance resulting from tooth brushing
2. The loss by wear of tooth substance resulting from mastication and bruxism
3. Both of the above
4. None of the above
Oral Pathology
Answer: 2
Attrition is the loss of tooth substance resulting from mastication and bruxism.
Which of the following complement component can be activated in both common as well as alternate pathways?
1) C1
2) C2
3) C3
4) C4
General Pathology Answer: 3C3 is the complement component that can be activated in both the classical and alternative pathways of the complement system.
Which of the following additional clinical findings would MOST be associated with a woman who has oral mucosal swelling, xerostomia, and intense salivary gland destructive inflammation, as well as antibodies against ribonucleoprotein?
1) Conjunctivitis
2) Goiter
3) Hemolytic anemia
4) Proximal muscle weakness
General Pathology Answer: 1
Conjunctivitis is often associated with Sjögren's syndrome, which can cause oral mucosal swelling and xerostomia.
In a patient with MEN I, which of the following is NOT commonly found?
1) Gastrinomas
2) Insulinomas
3) Parathyroid adenomas
4) Oral and intestinal ganglioneuromatosis
Oral and intestinal ganglioneuromatosis is not commonly found in MEN I; it is associated with MEN II.
Which of the following is least affected in vit C deficiency
1. Gingival fibres
2. Periodontal ligament
3. Blood vessels of the gingival
4. Epithelial lining of the mucosa
Oral Pathology
Answer: 4
The epithelial lining of the mucosa is least affected in Vitamin C deficiency.
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.
Yellowish discolouration of oral mucous membrane, skin and sclera of eye is
1. Pernicious anaemia
2. Sickle cell anaemia
3. Chloromycin therapy
4. Carotinemia
Oral Pathology
Answer: 4
Yellowish discoloration of the oral mucous membrane, skin, and sclera of the eye is seen in carotinemia.
A patient requires tooth extraction from an area that has been subjected to radiation therapy. Which of the following represents the greatest danger to this patient
1. Alveolar osteitis
2. Osteoradionecrosis
3. Prolonged healing
4. Fracture of the mandible
Oral Pathology
Answer: 2
The greatest danger to a patient requiring tooth extraction after radiation therapy is osteoradionecrosis.