MDS PREP
Which of the following describes the condition characterized by acute arthritis, conjunctivitis, urethritis, and associated mucocutaneous lesions?
1) Gout
2) Lyme disease
3) Reiter's syndrome
4) Rheumatoid arthritis
Reiter's syndrome is characterized by the classic triad of acute arthritis, conjunctivitis, and urethritis, often following a genitourinary or gastrointestinal infection.
An undifferentiated malignant tumor on immunohistochemical stain shows cytoplasmic positivity of most of the tumor cells for cytokeratin. The most probable diagnosis of the tumor is:
1) Sarcoma
2) Lymphoma
3) Carcinoma
4) Malignant melanoma
General Pathology Answer: 3Cytokeratin positivity in an undifferentiated malignant tumor suggests that the tumor is likely a carcinoma, as cytokeratins are markers for epithelial cells.
Ramsay Hunt syndrome affects which nerve
1. 5th nerve
2. 7th nerve
3. 9th nerve
4. 10th nerve
Oral Pathology
Answer: 2
Ramsay Hunt syndrome affects the 7th nerve.
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.
One variant of hidebound disease is which syndrome?
1. Down"s syndrome
2. Crest syndrome
3. Greenspan"s syndrome
4. Kleinfelter"s syndrome
Oral Pathology
Answer: 2
Crest syndrome is a variant of hidebound disease.
All of the following can cause osteoporosis, except
1. Hyperparathyroidism
2. Steroid use
3. Fluorosis
4. Thyrotoxicosis
Oral Pathology
Answer: 3
Fluorosis does not cause osteoporosis.
Which of the following are characteristic feature of cherubism
1. Premature exfoliation of primary teeth
2. Hypoplastic defects
3. Progressive painless symmetric swelling of cheek bones
4. A + C
Oral Pathology
Answer: 4
Progressive painless symmetric swelling of cheek bones is a characteristic feature of cherubism.
The basis of adjuvant therapy in surgery followed by chemotherapy is:
1. To make chemical agents reach centre of tumour
2. Anticancer drugs are not effective against bigger tumour therefore its size is reduced by surgery
3. Debulking the tumour by surgery makes the tumour cells re-enter the cell cycle and thus become susceptible to drug therapy
4. None of the above
Pathology
Answer: 3
Debulking the tumor by surgery makes the tumor cells re-enter the cell cycle and thus become susceptible to drug therapy: This statement is the most accurate. Surgical removal of a tumor (debulking) can indeed lead to the release of tumor cells into the circulation and may also alter the tumor microenvironment. This can make residual tumor cells more susceptible to chemotherapy, as they may re-enter the cell cycle and become more actively dividing, which is when many chemotherapy agents are most effective.