MDS PREP
The oral lesion of warty dsykeratoma is described as
1. a small whitish area of the mucosa with a central depression
2. a hyperemic papule with erosion
3. an erythematous macule with a central area of grayish desquamation
4. a white keratotic. papillary or verrucous lesion
Oral Pathology
Answer: 1
The oral lesion of warty dsykeratoma is described as a small whitish area of the mucosa with a central depression
Leukaemia should be high on a list of differential diagnosis when which of the following is noted?
1. Spontaneous bleeding
2. Persistent headache
3. Epigastric pain
4. Chronic or acute arthralgia
Oral Pathology
Answer: 1
Spontaneous bleeding is a key indicator for considering leukemia in differential diagnosis.
Facial paralysis resulting in drooping of a corner of the mouth and excess lacrimation is characteristic of which of the following conditions
1. Bell"s palsy
2. Tic douloureux
3. Meniere"s disease
4. Stevens-Johnson syndrome
Oral Pathology
Answer: 1
Facial paralysis with drooping of the mouth and excess lacrimation is characteristic of Bell's palsy.
The maximum permissible dose of radiation to the operator of an X-ray machine is
1. 0.05 rem per year
2. 0.5 rem per year
3. 5.0 rem per year
4. 50 rem per year
Oral Pathology
Answer: 3
The maximum permissible dose of radiation to the operator of an X-ray machine is 5.0 rem per year.
Complication of irradiation of mouth may include all EXCEPT
1. Accelerated caries activity
2. Caries in unusual sites
3. Accelerated periodontal diseases
4. Xerostomia
Oral Pathology
Answer: 3
Accelerated periodontal diseases is not a complication of irradiation of the mouth.
For extraction in a leukaemic patient
1. Consult physician
2. Obtain WBC count
3. Ontain platelet count
4. All of the above
Oral Pathology
Answer: 4
For extraction in a leukemic patient, all of the above steps should be taken.
Which of the following is the MOST likely explanation for when two days after removal of a cancerous neck lesion, there is thigh and calf cramps, tingling around the lips, low serum calcium, and high serum phosphate?
1) Hyperparathyroidism
2) Primary hypoparathyroidism
3) Pseudohypoparathyroidism
4) Renal failure
The symptoms described are indicative of primary hypoparathyroidism, which can occur after surgical removal of the parathyroid glands.
Radiation injury to the haemopoietic system of the bone marrow occurs when the whole body exposure ranges between
1. 50-100 rads
2. 200-1000 rads
3. 1000-5000 rads
4. 10,000 rads to more
Radiation injury to the hematopoietic system occurs when whole body exposure ranges between 200-1000 rads.