17-6 -- Parasites Flashcards
Transmission of Ascaris Lumbricoides?
Fecal - oral
Improperly cleaned fruits in affected soil
Describe the maturation process of Ascaris Lumbricoides
- Larvae begin in the intestines
- Migrate to the lungs to grow
- Coughed up and swallowed
= mature worms in the stomach
What can Ascaris Lumbricoides cause?
Obstruction/Abscesses
Parasites that invade are associated with?
Eosinophilia
Parasites that invade are associated with?
Eosinophilia
Describe how infection with Strongyloides occurs?
- Larvae penetrate skin
- Migrate to lungs and then back to intestines
Strongyloides larvae can hatch where?
Intestines
Since Stronyloides larvae can hatch in the intestines, what can that cause?
Autoinfection
What parasite can cause autoinfection?
Strongyloides
Pinworm
Enterobius Vermicularis
Enterobius Vermicularis migration habits?
- Live entire life in intestines
- @ NIGHT: migrate to anal orifice to lay eggs
Symptoms of Enterobius Vermicularis?
Nocturnal Anal ITCHING
Nocturnal anal itching is seen with?
Enterobius Vermicularis (pinworm)
Diphyllobothrium Latum is a type of?
Intestinal cestode
Diphyllobothrium Latum is caused by ingestion of?
Undercooked fish
How does Diphyllobothrium Latum enlarged?
Formation of egg-filled proglottids
What symptoms may be seen with Diphyllobothrium Latum?
B12 deficiency and Megaloblastic Anemia
B12 deficiency and Megaloblastic Anemia may be seen with what intestinal cestode?
Diphyllobothrium Latum
Symptoms of Entamoeba Histolytica?
Bloody diarrhea and liver abscesses
Symptoms of Entamoeba Histolytica?
Bloody diarrhea and liver abscesses
Transmission for Giardia Lamblia and Cryptosporidium?
Contaminated water
Symptom of Giardia Lamblia?
Malabsorptive diarrhea
Symptom of Cryptosporidium?
Watery diarrhea
