PHYLUM NEMATODA 2

Question 1

Hookworms: Most pieces are _____, and the anterior end is ________, giving the worm a hook like appearance.

Answer 1

stout
curved dorsally

Question 2

Live in their host’s _____________, attaching to the mucosa and feeding on blood and tissue fluids
sucked from it (derives nourishment from food & blood)

Answer 2

SMALL INTESTINE

Question 3

Common in tropics and subtropics with abundant rainfall, ambient temperature, loose sandy loam soil

Answer 3

hookworms

Question 4

Naturally parasitic unlike Strongyloides which is facultative (but similar MOT & Ova morphology)

Answer 4

family ancylostomidae

Question 5

New world Hookworm; introduced from Africa (south of Sahara) with the slave trade.

Answer 5

necator americanus

Question 6

necator americanus is the only HW found

Answer 6

in North and South
America, India, China, SE Asia,
Indonesia, SW pacific, parts of Australia

Question 7

Old world Hookworm

Answer 7

Ancylostoma
duodenale

Question 8

common in ph

Answer 8

Ancylostoma
duodenale