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Oncogenic Viruses and Bacterial Carcinogens

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Oncogenic Viruses and Bacterial Carcinogens

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Questions and Answers

Which oncogenic virus is primarily associated with Kaposi sarcoma?

Herpes virus (HHV8) (correct)

Hepatitis B virus (HBV)

Human T-cell leukemia virus (HTLV-1)

Human papilloma virus (HPV)

What type of cancer is most commonly associated with Epstein-Barr virus (EBV)?

Adult T-cell leukemia

Hepatocellular carcinoma

Burkitt lymphoma (correct)

Cervical carcinoma

Which of the following viruses is known to cause squamous cell carcinomas primarily in the cervix?

Human T-cell leukemia virus (HTLV-1)

Helicobacter pylori

Hepatitis C virus (HCV)

Human papilloma virus (HPV) (correct)

Which virus is linked to the progression from liver cirrhosis to hepatocellular carcinoma?

<p>Hepatitis B virus (HBV)</p> Signup and view all the answers

Which of the following is a bacterial carcinogen associated with gastric adenocarcinoma?

<p>Helicobacter pylori</p> Signup and view all the answers

Study Notes

Oncogenic Viruses

Some viruses contribute to cancer development.
RNA viruses associated with cancer include Human T-cell leukemia virus (HTLV-1), which causes adult T-cell leukemia/lymphoma.
DNA viruses linked to cancer include Epstein-Barr virus (EBV). EBV is associated with Burkitt lymphoma, Hodgkin lymphoma, nasopharyngeal and gastric carcinomas, and primary CNS lymphoma in immunocompromised individuals.
Hepatitis B and C viruses (HBV and HCV) are linked to hepatocellular carcinoma, a liver cancer arising from cirrhosis.
Human papillomavirus (HPV) causes benign squamous papillomas (warts) and squamous cell carcinomas, predominantly in the cervix but also in the vulva, vagina, penis, anus, and oral cavity.
Herpes virus type 8 (HHV8) is associated with Kaposi sarcoma.

Bacterial Carcinogens

Helicobacter pylori is a bacteria linked to gastric adenocarcinoma and gastric lymphomas (MALT).

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Description

This quiz explores the role of oncogenic viruses and bacterial carcinogens in cancer development. It covers various RNA and DNA viruses linked to specific cancers, including HTLV-1, EBV, HPV, and others, as well as the impact of Helicobacter pylori. Test your knowledge on how these pathogens contribute to different forms of cancer.