3. GI infections-1 Flashcards
A 42 year man come to the doctor because of fatigue and abdominal pain. A CBC is done showing that the main is infection by a + sense RNA Viral Hepatitis that is lacks an envelope. What is the primary transmission method of this infection?
A. Fecal-oral B. Airborne C. Blood transfusions D. Animal contact E. Sexual contact
RFA
Ans. A. Fecal-oral- HEP A is desribed RNA+ Naked Hepatitis and it is primarily fecal oral transmission. Classic winget involves eating oysters, since they eat infected poop and we eat them.
B .Airborne- none of the Heps are airbone
C. Blood transfusions- wouldbe HCV or HBV
D. Animal contact- just interacting with animals wont give you Hepatitis
E. Sexual contact- would be HCV or HBV, how ever HBA can be transmitted sexually during anal sex because of the fecal contact so it is somites seen passed in sexauly contact in the gay community
A 24 year old female drug addict comes to the free clinic because of fatigue and abdominal pain. The doctor examines him and notes yellowish tinge to the patient’s skin. CBC is order and labs concludes the infection is by a virus in the family Flaviviridae. What does chronic infection of this increase the patients risk of?
A, Esophageal Atresia B, Squamous Cell Carcinoma C, Infertility D, Polycystic kidneys E. Hepatocellular Carcinoma
Ans. E Hepatocellular Carcinoma- the patient has HCV chronic HCV is associated with high incidence of HCC
A 22 year old male presents with dark urine, pale stool, fever, fatigue, nausea, and loss of appetite that started 1 week ago after returning from a vacation in Chile. While on his trip, he consumed street food and drank alcohol from local bars. Laboratory studies show a single stranded positive sense RNA virus of the family Picornavirdiae. What serological finding confirms the diagnosis of this disease? (MG)
A. IgM anti-HAV B. HBsAG, IgM anti-HBc C. anti-HCV, HCV RNA D. anti-HDV, HDV RNA, HBV/HDV E. IgM/IgG anti-HEV
A. IgM anti-HAV
Dx is HAV
All other options are how you diagnose each type of hepatitis in acute cases.
A 26 year old male presents with fever, pale stools, dark urine, loss of appetite, and fatigue. He is HIV positive and uses intravenous heroin. He is diagnosed with viral hepatitis. If the infection becomes chronic, what type of cancer is he at risk for? (MG)
A. Insulinoma B. Cholangiocarcinoma C. Liver angiosarcoma D. Hepatocellular carcinoma E. Hepatoblastoma
D. Hepatocellular carcinoma
Dx is Hepatitis C
