Ascaris lumbricoides

• Is Ascaris lumbricoides intestinal or extra-intestinal roundworm?

  Intestinal
• Is Ascaris lumbricoides a phasmid or an aphasmid?

  phasmid
• Under which subclass of nematoda does Ascaris lumbricoides belong to?

  Subclass secernentia
• What is the MOST COMMON intestinal nematode?

  Ascaris lumbricoides
• What is the LARGEST intestinal nematode?

  Ascaris lumbricoides
• Ascaris lumbricoides has 3 other names, what are these?

  giant roundworm, large intestinal roundworm, and eelworm
• Ascaris lumbricoides is a soil-transmitted helminth.
• Ascaris lumbricoides produces Pepsin inhibitor 3 and Phosphorylcholine
• Pepsin inhibitor 3: prevents A. lumbricoides from being digested
• Phosphorylcholine: prevents lymphocyte proliferation and is used for mechanical protection
• What are the 3 forms of Ascaris lumbricoides?

  Egg, larva, adult
• Ascaris lumbricoides occurs in what type of countries?

  tropics
• How many are infected by Ascaris lumbricoides?

  70 billion individuals
• From the 70 billion infected with A. lumbricoides, 70% are from Asia
• What is the old name of Ascaris lumbricoides?

  Eelworm
• Ascaris lumbricoides alongside with what parasites are considered as soil-transmitted helminths?

  Trichuris trichiura and hookworms
• TRUE or FALSE: Among the Ascaris family, genus lumbricoides is the only parasitic for man?

  TRUE