BMOL10030 Questions with Complete Correct Answers | Grade A+

What is angiogenesis? Ans: Growth of new blood vessels from pre-existing vessels What is VEGF? Ans: Vascular endothelial growth factor- a molecule secreted by tumours to induce blood vessel formation What is metastasis? Ans: Cells leave a primary tumor site, travel to a new location via the circulatory/lymphatic system and establish a secondary tumor How do cancer cells metastasize? Ans: The cells penetrate the basement membrane and degrade extracellular matrix of tissue; degrading the protein and proteoglycan components of the basal lamina such as collagens 2 How do cancer cells degrade the ECM? Ans: Extracellular proteases such as Matrix Metalloproteinases Where do cancer cells commonly spread to? Ans: The lungs, liver or bone How can we detect tumors? Ans: Certain markers such as AFP (alpha fetoprotein) are produced by tumors. These are typically only found in embryonic cells How do we prevent cancer? Ans: -Anti viral vaccines, such as the HPV vaccine to prevent infection and risk of cervical cancer -Preventing exposure to high toxicity carcinogens -Promoting awareness How do we treat cancer? Ans: -Surgery -Radiotherapy; ionizing radiation to kill cancer cells -Chemotherapy; use of chemical to kill cancer cells, traditional small molecule drugs, newer biologics. 3 What is the challenge w