L5: Antihelminthics and Antiprotozoals (non-malarial) Flashcards
Which of the following causes the most common helminth infection in the USA?
A. Entamoeba histolytica (amebiasis)
B. Enterobius vermicularis (pin worm)
C. Ascaris lumbricoides (round worm)
D. Necator americanus (hookworm)
B. Enterobius vermicularis (pin worm)
Mebenazole and Albendazole can be used to treat helminth infections caused by:
A. hook worm
B. round worm
C. pin worm
C. amebiasis
C. pin worm
True or False: Pyrantel pamoate is most common drug used to treat helminth infections caused by pinworms
True
True or False: Pinworm treatment is only effective if when patient adheres to rigid standards of personal hygeine
True
Perianal pruritis and presence of eggs or worms is a symptom of which type of helminth infection?
A. Pin worm
B. Round worm
C. Earth worm
D. Fungus
A. Pin worm
Which of the following is a specialized parasite that exclusively infects Homo sapiens?
A. Entamoeba histolytica (amebiasis)
B. Enterobius vermicularis (pin worm)
C. Ascaris lumbricoides (round worm)
D. Necator americanus (hookworm)
C. Ascaris lumbricoides (round worm)
Abdominal pain, insomnia, and eggs in feces suggests a helminth infection caused by which parasite?
A. Entamoeba histolytica (amebiasis)
B. Enterobius vermicularis (pin worm)
C. Ascaris lumbricoides (round worm)
D. Necator americanus (hookworm)
C. Ascaris lumbricoides (round worm)
True or False: One can acquire enterobius vermicularis (pinworm) or Ascaris lumbricoides via: fecal-oral route
True
True or False: Night soil can cause pinworm eggs
False - night soil can be source of round worm eggs
What two drugs treat asymptomatic/mild roundworm helminth infections?
A. Mebendazole / Albendazole
B. Pyrantel pamoate / Albendazole
A. Mebendazole / Albendazole
- Ivermectin as alternative
Why is pyrantel pamoate used to treat heavy roundworm infections?
Reduces wandering and causes worm paralysis
Ivermectin is the preferred therapy for treatment of:
A. pinworms
B. roundworm
C. hookworm
C. hookworm
Anemia and eggs/worms in feces suggests infection by:
A. pinworms
B. roundworm
C. hookworm
C. hookworm
N. americanus is the predominant species of ____, which travelers to the tropics are more apt to be infected by:
A. pinworms
B. roundworm
C. hookworm
C. hookworm
True or False: Roundworms attach to the intestinal mucosa using the ventral tooth to lacterate host tissue
True
A patient has anemia. Which parasite most likely infected them?
Hookworm
A small child was playing outside with friends during the summer. Over the next few weeks, patient begins complaining of tiredness, dizziness, and looks pallid. Results indicate that patient has a hookworm infection. What is the source of this infection?
Direct skin contact / oral ingestion
Which of the following drugs is used to treat “creeping eruptions” that are seen in hookworm infections?
A. Albendazole
B. Mebendazole
C. Pyrantel pamoate
D. Ivermectin
A. Albendazole
Taenia solium is the ___ tapeworm while Taenia saginata is the ___ tapeworm
Taenia solium
Taenia saginata
A patient has abdominal pain, upset GI, loss of appetite, diarrhea, and the presence of eggs/proglottids in the feces. What type of infection to they likely have?
A. Pin worm
B. Round worm
C. Tape worm
D. Hook worm
C. Tape worm
(pork or beef)
Neurocysticercosis (in the CNS) and
cysticercosis (in visceral organs)
can arise due to infection by:
A. T. saginata (beef tapeworm)
B. T. solium (pork tapeworm)
C. Pin worm
B. T. solium (pork tapeworm)
True or False: T. saginata larvae can penetrate small bowel and become encysted in visceral organs, causing neuro/cysticercosis
False - this occurs with T. solium (pork tapeworm
True or False: A seizure may suggests cysticercosis
True