Condition | Features |
---|---|
Osteosarcoma | Often presents with osteoid production by malignant cells, typically in adolescents, not primarily giant cells |
Ewing's sarcoma | Small round blue cell tumor, typically affects younger patients, characterized by 'onion skin' periosteal reaction |
Giant cell tumor | Giant cells with mononuclear stromal cells, typically near the knee in young adults |
Chondrosarcoma | Usually occurs in older adults, characterized by cartilage matrix production |
Which are correct?
A. Computed tomography and magnetic resonance imaging detect cancers of internal organs.
B. Chemotherapeutic drugs are used to kill non-cancerous cells.
C. \( \alpha \)-interferon activates the cancer patients' immune system and helps in destroying the tumour.
D. Chemotherapeutic drugs are biological response modifiers.
E. In the case of leukemia, blood cell counts are decreased.
Choose the correct answer from the options given below:
The primary source of energy for Earth’s climate system is:
The most common site of metastasis for breast cancer is:
Which of the following cranial nerves is responsible for the motor innervation of the muscles of mastication?
Which of the following is a characteristic feature of Parkinson’s disease?
Which enzyme is deficient in Gaucher’s disease?