MDS PREP
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.
Which of the following tooth structure during formation is most affected due to Vit A deficiency
1. Enamel
2. Dentin
3. Cementum
4. Periodontal ligament
Oral Pathology
Answer: 1
Enamel is most affected during formation due to Vitamin A deficiency.
The substance most commonly used for protection against X-ray radiations is
1. Zinc
2. Steel
3. Lead
4. Porcelain
Oral Pathology
Answer: 3
Lead is the most commonly used substance for protection against X-ray radiation.
Which of the following genetic conditions is MOST likely to be the cause of a child born with a small head, small eyes, six fingers on each hand, and congenital heart defects?
1) Trisomy 13
2) Trisomy 18
3) Trisomy 21
4) XXY
Trisomy 13 is associated with congenital anomalies such as a small head, small eyes, and congenital heart defects.
All the following can produce febrile jaundice except -
1. Leptospirosis
2. Malaria
3. Enteric fever
4. Viral Hepatitis A
Pathology
Answer: 3
Leptospirosis, Malaria, Viral Hepatitis A can produce febrile jaundice
Lession of facial nerve at level of stylomastoid foramen leads to
1. Loss of taste sensation from anterior 2/3 of tongue
2. Paralysis of orbicularis oculi muscle
3. Losss of innervation to stapedius
4. Loss of lacrimal secretion
Lesion of the facial nerve at the stylomastoid foramen leads to paralysis of the orbicularis oculi muscle.
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.
Asymptomatic facial swelling is seen in
1. Ludwings angina
2. Angioneurotic oedema
3. Bell"s palsy
4. All of the above
Oral Pathology
Answer: 2
Angioneurotic edema is characterized by asymptomatic facial swelling.