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A patient undergoing cancer treatment experiences side effects such as hair loss and anemia. This is characteristic of which common cancer treatment approach?
Several chemotherapeutic drugs are used to kill cancerous cells. Majority of these drugs have side effects like hair loss, anemia, etc.
Biological response modifiers like alpha-interferon are administered to cancer patients primarily to:
Patients are given substances called biological response modifiers such as alpha-interferon which activates their immune system and helps in destroying the tumor.
Early detection of cancer is crucial because:
Early detection of cancers is essential as it allows the disease to be treated successfully in many cases.
Which of the following is an example of an ionizing radiation capable of causing DNA damage and leading to neoplastic transformation?
Ionising radiations like X-rays and gamma rays cause DNA damage leading to neoplastic transformation.
The primary method for cancer detection based on examining tissue samples under a microscope is called:
Cancer detection is based on biopsy and histopathological studies of the tissue. In biopsy, a piece of the suspected tissue cut into thin sections is stained and examined under microscope (histopathological studies) by a pathologist.
The major cause of lung cancer has been identified as:
The chemical carcinogens present in tobacco smoke have been identified as a major cause of lung cancer.
What is the defining characteristic of a benign tumor?
Benign tumors normally remain confined to their original location and do not spread to other parts of the body and cause little damage.
Cancer is classified as a non-infectious disease because:
Among non-infectious diseases, cancer is a major cause of death. Diseases which are easily transmitted from one person to another, are called infectious diseases, classifying cancer as non-infectious as it generally doesn't transmit this way.
Techniques of molecular biology can be applied in cancer detection to:
Techniques of molecular biology can be applied to detect genes in individuals with inherited susceptibility to certain cancers. Identification of such genes, which predispose an individual to certain cancers, may be very helpful in prevention of cancers.
Oncogenic viruses contribute to cancer development by possessing:
Cancer causing viruses called oncogenic viruses have genes called viral oncogenes.
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