Hookworm Flashcards
(10 cards)
The three main species of hookworm infecting humans are?
Ancylostoma duodenale
Ancylostoma ceylanicum
Necator americanus
Hookworm infection is transmitted primarily by?
Walking barefoot on contaminated soil
They were considered the two primary intestinal hookworm species worldwide
Ancylostoma duodenale
Necator americanus
In newer studies, this parasite infecting animals, is also an important emerging parasite infecting humans in some regions.
Ancylostoma ceylanicum
May partially develop in the human intestine and cause eosinophilic enteritis, but this species does not appear to reach reproductive maturity in humans.
Ancylostoma caninum
Ancylostoma duodenale larvae are capable of re-activating and establishing patent, intestinal infections. True or False?
True
A few days after Necator americanus third-stage larvae (L3) infect the host, a rash known as _________ develops at the site of skin penetration.
‘ground itch’
Necator americanus also appear to be infective via the oral or trans mammary route. True or False?
False, it does not appear to be infective via the oral or trans mammary route.
Hookworm is a soil-transmitted helminth (STH) and is one of the most common roundworm of humans. True or False?
True
Adult hookworms live in the lumen of the __________, typically the ________, where they attach to the intestinal wall with resultant blood loss by the host
small Intestine, distal jejunum