YELLOW = Quizlet
QUIZ 8 - Chapter 14,
15 (3/21)
Chapter 14 - Risk of Infectious and Communicable Diseases
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- Agent: microbe that causes the disease. The “what” of epidemiologic triangle. Ex.)
Staphylococcus aureus.
- Biological Agent: Fungi, Bacteria, Viruses, Helminths.
- Campylobacter: most common cause of bacteria foodborneillness in
US. An important cause of diarrheal illness through the world, regardless
of age. Consumption of contaminated poultry, undercooked meats,
ground beef, pork, cheese, eggs, shellfish, unpasteurized milk, direct
exposure to pets / farm animals that are infected.
- Listeriosis: high risk for pts who eat delicatessen food, soft
cheeses, smoked seafood and get ill with diarrhea / flu symptoms.
- E. Coli: resolves in 7-10 days.
- Infectious Agent: Time between exposure and manifestation o symptoms =
incubation period.
- Colonization: presence and multiplication of infectious organisms without invading /
causing damage to tissue.
- Communicable Disease: MUST have portal of exit from the infected person, means of
transmission, portal of entry to susceptible host.
- Dehydration: foodborne illness should suspect: campylobacter. This is the most common
cause of bacteria. Foodborne illness in US/ cause of diarrheal illness. → Diarrhea / flu-like
symptoms = listeria monocytogenes. → diarrhea / fever / abd cramping after e3xposure
to raw eggs = sjpi;d administer 1 tsp salt and 8 tsp sugar into liter of clean drinking water.
→ diarrhea, cramps, bloody diarrhea after eating commercially .
- Ate a packaged salad = stage i s7-10 days
- Endemic: constant / usual prevalence of a specific disease / infectious agent within a
population / geographical aae. Ex.) Malaria
- Environment: external factors that cause / allow disease transmission. The “Where” of
the epidemiologic Triangle.