PARASITE

Question 1

depends entirely upon its host for existence

Answer 1

Obligate

Question 2

capable of parasitic and free-living existence

Answer 2

Facultative

Question 3

capable of being outside the host

Answer 3

facultative

Question 4

examples of facultative parasites

Answer 4

• Strongyloides stercoralis
• Free Living Amoebas (Naegleria fowleri and Acanthamoeba spp.)

Question 5

causes meningoencephalitis

Answer 5

Naegleria fowleri and Acanthamoeba spp.

Question 6

cannot live outside the host

Answer 6

obligate

Question 7

larval stage is passed in a host while the adult is free living

Answer 7

Transitory

Question 8

example of transitory

Answer 8

Strongyloides stercoralis in indirect cycle

Question 9

completes its life cycle in one host

Answer 9

permanent

Question 10

example of permanent cycle

Answer 10

Hymenolepis nana in direct cycle

Question 11

pertains to one host

Answer 11

monoxenous/homoxenous

Question 12

requires two or more host for the larval and adult stages

Answer 12

periodic

Question 13

refers to two or more hosts

Answer 13

heteroxenous

Question 14

examples of periodic

Answer 14

trematodes, cestodes, and agents of larva migrans

Question 15

subclassification of obligates

Answer 15

transitory, permanent, periodic

Question 16

primarily infects animals and may be acquired by man and cause infection

Answer 16

zoonotic

Question 17

this causes balantidial dysentery

Answer 17

Balantidium coli

Question 18

causes granulotosis in man

Answer 18

Dirofilaria immitis

Question 19

occurs in unusual HOST

Answer 19

Accidental

Question 20

examples of accidental parasites

Answer 20

Echinococcus spp. and agents of larva migrans

Question 21

original DH and IH of Echinococcus spp.

Answer 21

DH: dog
IH: sheep, cattle

Question 22

occurs in an unusual ORGAN or HABITAT

Answer 22

Erratic

Question 23

example of erratic

Answer 23

Ascaris lumbricoides

Question 24

erratic A. lumbricoides

Answer 24

Ectopic Ascariasis

Question 25

passes through the intestinal tract without causing any disturbance

Answer 25

Spurious or coprozoic

Question 26

examples of spurious or coprozoic parasite

Answer 26

- Fasciola hepatica eggs - Capillaria hepatica unembryonated egg

Question 27

can get from eating raw or undercooked liver of infected animals

Answer 27

Fasciola hepatica

Question 27

infective stage of Capillaria hepatica

Answer 27

Embryonated egg

Question 28

lives inside the body of a host

Answer 28

endoparasite

Question 29

lives on the body surfaces of the host

Answer 29

Ectoparasite

Question 30

examples of ectoparasites

Answer 30

Lice and itch mite

Question 30

endoparasitic invasion

Answer 30

infection

Question 30

ectoparasitic invasion

Answer 30

infestation

Question 30

head lice/louse

Answer 30

Pediculus humanus capitis

Question 30

example of itch mite

Answer 30

Sarcoptes scabiei

Question 31

Body louse

Answer 31

Pediculus humanus humanus

Question 31

crab louse or pubic louse

Answer 31

Phthirus pubis

Question 32

examples of intermittent

Answer 32

bed bugs, mosquito, flea, tick, biting fly

Question 32

visits the host only during feeding time

Answer 32

intermittent

Question 33

copro in coprozoic means

Answer 33

stool