NEETZoologyHuman Health and Diseases
What is biopsy in cancer detection?
Options
- AA procedure to examine a tissue under a microscope
- BA procedure to detect cancer-specific antigens
- CA procedure to generate a three-dimensional image of internal organs
- DA procedure to detect genes in individuals with inherited susceptibility to cancers
Correct answer
A. A procedure to examine a tissue under a microscope
Step-by-step solution
Malignant tumors are a mass of proliferating cells that grow rapidly, invading and damaging the surrounding normal tissues.Both ionizing radiations such as X-rays and gamma rays, as well as non-ionizing radiations such as UV, cause DNA damage leading to neoplastic transformation. Cancer-causing viruses, also known as oncogenic viruses, have genes called viral oncogenes. Biopsy is a procedure where a piece of the suspected tissue is cut into thin sections and is stained and examined under a microscope (histopatholog