Life Cycle Notes

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Created by
Thatus Licudan

Cards (10)

  • Acanthamoeba can exist in which two forms in the external environment?
    Trophozoites and cysts
  • How can humans acquire Acanthamoeba?
    Through aspiration or nasal inhalation
  • How do trophozoites and cysts enter the human body?
    Through the lower respiratory tract or ulcers in the mucosa or skin
  • How does Acanthamoeba invade the central nervous system (CNS)?
    Hematogenous spread through the bloodstream
  • Which group of individuals is at risk of direct invasion of Acanthamoeba in the eye?
    Contact lens wearers
  • What is the primary risk factor for Acanthamoeba keratitis?
    Contact lens wearers using nonsterile saline solutions
  • True or False: Acanthamoeba infection is primarily associated with contaminated water.
    False
  • How many known species of Acanthamoeba can infect humans?
    10
  • Which species of Acanthamoeba is most commonly associated with CNS and eye infections in humans?
    Acanthamoeba castellanii
  • True or False: The names of the Acanthamoeba species and the type of infection associated with each are listed in Table 3-17.
    True