parasites

Question 1

classification of protozoa according to mode of movement

Answer 1

1.Use of pseudopodia-Entamoeba histolytica 2.use of flagella -called mastigophoral flagellates -Trypanasoma,leishmania,trichomoniasis and giardia. 3.use of cilia-Balantidium coli. 4.sporozoa-plasmodium

Question 2

helminths divided into

Answer 2

cestodes nematodes trematodes

Question 3

cestodes

Answer 3

monoecious,tapelike,segmented,have suckers with hooks ,no alimentary canal and no body cavity

Question 4

trematodes

Answer 4

leaflike,unsegmented,monoecious except blood flukes,have suckers with no hooks ,incomplete alimentary canal with no body cavity.

Question 5

Nematodes

Answer 5

elongated,cylindrical,dioecious,no suckers nor hooks ,complete alimentary canal and a body cavity.

Question 6

types of hosts

Answer 6

definitive-harbor adult stage Intermediate- harbor larval stage Parathemic-serve as temporary vehicle to obligatory host reservoir-make parasite available for transmission natural-naturally infected with certain species of parasites accidental -not affected by species of parasites under normal circumstances

Question 7

modes of transmission

Answer 7

feacal -oral direct transmission vector borne breathing in contaminated air skin penetration