Causes of Neoplasia Quiz

<p>Promote autonomous growth</p> Signup and view all the answers

<p>Insertional mechanism</p> Signup and view all the answers

<p>Avian leukosis virus</p> Signup and view all the answers

<p>Hit and run mechanism</p> Signup and view all the answers

<p>Indirect mechanism</p> Signup and view all the answers

<p>Markes disease virus</p> Signup and view all the answers

<p>Squirrel fibroma virus</p> Signup and view all the answers

<p>Reactive oxygen species</p> Signup and view all the answers

<p>Mutagens cause DNA damage, while carcinogens cause cancer</p> Signup and view all the answers

<p>Procarcinogens</p> Signup and view all the answers

<p>Haemangiosarcoma</p> Signup and view all the answers

<p>Mutations in critical cancer related genes</p> Signup and view all the answers

<p>Some mutagens are also carcinogens</p> Signup and view all the answers

<p>Ionising radiation and UV radiation</p> Signup and view all the answers

<p>Double strand breaks and base elimination</p> Signup and view all the answers

<p>Formation of pyrimidine dimers</p> Signup and view all the answers

<p>They promote cell growth in the absence of normal growth promotion signals</p> Signup and view all the answers

<p>Some viruses contain a dominant oncogene that drives tumour development</p> Signup and view all the answers

<p>Neoplasm caused by insertion of viral DNA that activates target cell oncogene</p> Signup and view all the answers

<p>Viral genome causes neoplasm by transient residence in target cells</p> Signup and view all the answers

<p>Suppression of the host's immune system and stimulation of target cell proliferation</p> Signup and view all the answers

<p>Intrinsic factors and extrinsic factors</p> Signup and view all the answers

<p>Reactive oxygen species and organic acids</p> Signup and view all the answers

<p>A mutagen creates DNA damage and gives rise to a mutation, while a carcinogen can cause cancer</p> Signup and view all the answers

<p>Direct acting chemical carcinogens are effective in the form in which they enter the body, while indirect acting chemical carcinogens require metabolic activation by enzymes</p> Signup and view all the answers

<p>Haemangiosarcoma or squamous cell carcinoma</p> Signup and view all the answers

<p>Oncogenes are critical cancer related genes that can undergo mutations leading to neoplasia</p> Signup and view all the answers

<p>They utilize other mechanisms, such as insertional mechanism, to cause neoplasm formation</p> Signup and view all the answers