MDS PREP
Clinical features of which of the following include conjunctivitis, urethritis mucocutaneous lesions and arthritis?
1. Behcet"s syndrome
2. Hodgkin"s disease
3. Grinspan syndrome
4. Ehlers-Danlos syndrome
Oral Pathology
Answer: 1
Behçet's syndrome is a systemic vasculitis characterized by recurrent oral and genital ulcers, uveitis (which can lead to conjunctivitis), skin lesions, and arthritis.
Radiation dose to patient can be reduced by all of the following except
1. Speed films
2. Filters
3. By increasing target-object distance
4. Decreasing kilovoltage potential
Radiation dose can be reduced by using speed films, filters, and increasing target-object distance.
Biochemical abnormality associated with osteogenesis imperfecta is increase in
1. Alkaline phosphatase
2. Acid phosphatase
3. Bicarbonate ion
4. Phosphorylase enzyme
The biochemical abnormality associated with osteogenesis imperfecta is an increase in acid phosphatase.
The following is an example of non-particulate radiation
1. X-rays and gamma rays
2. Electrons and beta rays
3. X-rays and beta rays
4. X-rays and electrons
Oral Pathology
Answer: 1
X-rays and gamma rays are examples of non-particulate radiation.
A 50-year-old obese man complains of several recent abscesses in the gingival with loosening of teeth. He also suffers from itching of skin and polyuria. The most probable aetiology is
1. Scurvy
2. Myxoedema
3. Diabetes mellitus
4. Vitamin A deficiency
Oral Pathology
Answer: 3
The most probable etiology for the man’s symptoms is Diabetes mellitus, given the signs of abscesses and polyuria.
Commonest site for carcinoma of tongue is
1) Lateral margin
2) Tip of tongue
3) Posterior 1/3
4) Ventral surface
Oral Pathology
Answer: 1
The commonest site for carcinoma of the tongue is the lateral margin.
Carcinoma of the tongue is the most frequent oral cancer, and it typically
arises from the squamous cells that cover the surface of the tongue. The lateral
margin of the tongue is the part of the tongue that lies next to the teeth and
the gingivae. This site is often exposed to various carcinogens, such as those
found in tobacco and alcohol, which can increase the risk of developing cancer.
Patient reports with discoloured teeth bearing brown stains. The teeth glow fluorescent in UV light. The most likely diagnosis is
1. Porphyria
2. Amelogenesis imperfecta
3. Hutchinson"s teeth
4. Tetracycline staining of teeth
Oral Pathology
Answer: 4
The most likely diagnosis for discolored teeth that glow fluorescent in UV light is tetracycline staining of teeth.
Prolonged administration of broad spectrum antibiotics results in the formation of
1. Black hairy tongue
2. Decrease exposure time
3. Geographic tongue
4. Fissured tongue
Oral Pathology
Answer: 1
Prolonged administration of broad-spectrum antibiotics can lead to black hairy tongue.