APEA 3P EXAM PREP6 GI
QUESTIONS WITH GUARANTEED A+
ANSWERS AND EXPLANATIONS
A patient has been diagnosed with hepatitis B. The most commonly
reported risk factor is:
drinking contaminated
water. eating contaminated
food. exposure to blood.
sexual
exposure.
D.
Hepatitis B is transmitted by blood and body fluids. While exposure to
infected blood or blood products would significantly increase the risk
of infection in unvaccinated people, this is much less likely than
becoming infected via sexual exposure or IV drug use. Hepatitis A is
transmitted via fecal-oral routes. Drinking contaminated water and
eating contaminated food implicate hepatitis A as the etiologic agent.
The three most common causes of bacterial diarrhea in the US are
Salmonella, Campylobacter, and:
E. coli.
Enterovirus.
Yersinia.
Shigella.
D.
Shigella will be shed continuously in the stool and should be easily
identified on stool culture. When bacterial gastroenteritis is suspected,
a stool specimen could be ordered for confirmation. Generally, these
three pathogens are easily identified if they are present. Enterovirus
produces a viral form of diarrhea. Yersinia produces the deadly disease
called bubonic plague. E. coli is a typical colonic pathogen.
An 83-year-old patient is diagnosed with diverticulitis. The most
common complaint is:
rectal bleeding.
bloating and
cramping.
left lower quadrant pain.
frequent belching and
flatulence.
C
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