MDS PREP
Osteoradionecrosis is due to
1. Endarteritis of blood vessels
2. Damage to periosteum
3. Damage to lymphatics
4. All of the above
Oral Pathology
Answer: 1
Osteoradionecrosis is due to endarteritis of blood vessels.
Which of the following has been implicated due to sunlight�
�1. Basal cell carcinoma
�2. Lymphoepithelioma
�3. Junctional nevus
�4. Verruca vulgaris
Oral Pathology
Answer: 1
Basal cell carcinoma (BCC) is a type of skin cancer that is strongly associated with prolonged exposure to ultraviolet (UV) radiation from sunlight.
Osteoradionecrosis results from
1. Infection, trauma, radiation
2. Radiation, trauma, infection
3. Trauma, radiation, infection
4. None of the above
Oral Pathology
Answer: 2
Osteoradionecrosis results from radiation, trauma, and infection.
A 23-year-old female presented with jaundice and pallor for 2 months. Her peripheral blood smear shows the presence of spherocytes. The most relevant investigation to arrive at a diagnosis is -
1) Reticulocyte count
2) Osmotic fragility test
3) Coombs test
4) Tests for PNH
General Pathology
Answer: 3
The osmotic fragility test is the most relevant investigation for diagnosing hereditary spherocytosis, as it assesses the red blood cells' ability to withstand osmotic stress.
Which of the following is not characteristic of congenital syphilis?�
�1. Ghon complex
�2. Interstitial keratitis
�3. Mulberry molars
�4. Notched incisors
Oral Pathology
Answer: 1
Ghon complex is associated with primary tuberculosis, not congenital syphilis. The other options (interstitial keratitis, mulberry molars, and notched incisors) are indeed characteristics of congenital syphilis.
Bismuth intoxication is manifested as
1. Pigmentation in areas of inflammation
2. Burtonian line
3. Gingiva
4. Blackish line in mucosa
Oral Pathology
Answer: 1
Bismuth intoxication is manifested as pigmentation in areas of inflammation.
Which of the following is associated with a low concentration of ionized calcium in the serum?
1. Hypothyroidism
2. Osteogenesis imperfecta
3. Paget"s disease of the bone
4. Tetany
Oral Pathology
Answer: 4
Tetany is associated with a low concentration of ionized calcium in the serum.
A 28-year-old man presents with sudden onset of severe pain and swelling in his right testicle. On examination, the testicle is tender, swollen, and warm to the touch. Which of the following is the most likely diagnosis?
1) Testicular torsion
2) Epididymitis
3) Hydrocele
4) Inguinal hernia
Testicular torsion is the most likely diagnosis for sudden onset of severe pain and swelling in the testicle.