Carcinogenesis Flashcards
A 72-year-old man from Singapore has smoked all his adult life, placing the lit end of his cigarettes in his mouth. His family have encouraged him to stop, concerned about the adverse impact his smoking may have on his health.
“Reverse smoking” increases his risk of developing which cancer?
Oral cancer
A 42-year-old woman has recently returned from Uganda. She continued her hobby of freshwater swimming during her trip. She now complains of an itchy rash and a fever. Her doctor suspects she may have schistosomiasis.
Left untreated, this parasitic infection increases the risk of which cancer?
Bladder cancer
A 33-year-old patient worries that a substance they work with might cause cancer.
Which of the following is true regarding chemical carcinogens?
All have a similar chemical structure.
Are only encountered at work
Cannot cross the placenta
May cause cancer decades after exposure
It will cause cancer in humans if it can mutate bacteria
May cause cancer decades after exposure
A 51-year-old woman with HIV presents to her doctor with multiple purple bruise-like lesions on the skin of her face, torso and limbs. A biopsy confirms the diagnosis of Kaposi sarcoma.
Which virus causes Kaposi sarcoma?
Epstein-Barr Virus
Hepatitis C virus
Human Herpes Virus 8
Human Papillomavirus
Merkle Cell Polyomavirus
Human Herpes Virus 8
A 27-year-old man worries about his alcohol consumption and seeks advice about its effect on his health.
Which cancer can be caused by excess alcohol consumption?
Bladder
Colon
Lung
Kidney
Pancreatic
Colon
