INTRODUCTION & IMPORTANT TERMINOLOGIES IN PARASITOLOGY

Question 1

living together of UNLIKE organism

Answer 1

Symbiosis

Question 2

what are the three common symbiotic relationship

Answer 2

1. commensalism
2. mutualism
3. parasitism

Question 3

one specie benefit form the relationship without harming or benefiting the other

Answer 3

Commensalism

example: Entamoeba coli and human

Question 4

two organism benefiting from each other

Answer 4

mutualism

Question 5

one organism lives in on another for its survival at the expense of the host

ex: ascaris lumbricoides and human

Answer 5

Parasitism

Question 6

a parasite, which lives WTIHIN the body of the host

Answer 6

Endoparasite

Question 7

a term that denotes the presence of an endoparasite

Answer 7

INFECTION

Question 8

those OUTSIDE the body of the host; those of body surface, skin

Answer 8

ECTOPARASITE

Question 9

a term that denotes the presence of an ectoparasite

Answer 9

INFESTATION

Question 10

parasites are classified according to:

Answer 10

1. habitat
2. mode of living
3. duration of infection/infestation
   4.pathogenicity

Question 11

The duration remains on or in the body of the host for its entire life

Answer 11

Permanent

Question 12

lives on the host only for a short period of time

Answer 12

temporary

Question 13

needs a host to complete their development

Answer 13

obligate

Question 14

may exist in a free-living state. May become parasitic when the need arises

Answer 14

Facultative

Question 15

parasite that established itself in a host where it does not ordinarily live

Answer 15

Accidental/ incidental

Question 16

parasite found in an organ which is not its usual habitat

Answer 16

erratic

Question 17

infect a host where they cannot develop further

Answer 17

Aberrant

Question 18

passes through the digestive tract without infecting the host

Answer 18

spurious

Question 19

according to mode of living, those parasite that able to multiply in fecal matter outside human body

Answer 19

coprophilic

Question 20

those parasites that thrives inside red blood cells

Answer 20

hematozoic

Question 21

those parasites that lives in the body cavities

Answer 21

coelozoic

Question 22

those parasites that resides in intestines

Answer 22

enterozoic

Question 23

are organisms that harbor the parasites

Answer 23

HOST

Question 24

STATEMENT 1;
the survival of the parasites depends on their host
STATEMENT 2:
without s host, a parasite cannot live, grow, and multiply

Answer 24

both are true

Question 25

classification of host wherein the parasite attains sexual maturity; host in which adult parasite lives

Answer 25

DEFINITIVE/FINAL

Question 26

classification of host wherein parasites harbors the asexual/larval stage of the parasite

Answer 26

intermediate

Question 27

one in which the the parasite does not develop further to later stages. parasite remains alive and is able to infect another host

Answer 27

paratenic

Question 28

it allows the parasite’s life cycle to continue and become additional sources of infection

Answer 28

reservoir

Question 29

are organism the does not cause disease itself but which spreads infection by conveying pathogens from one host to another

Answer 29

VECTORS

Question 30

the most common sources of infection

Answer 30

SOIL

Question 31

the most common mode of transmission

Answer 31

oral (fecal-oral)

Question 32

it is the study of patterns, distribution and occurrence of disease

Answer 32

epidemiology

Question 33

number of new cases of infection in a given period of time

Answer 33

incidence

Question 34

number of individuals estimated to be infected with a particular parasite

Answer 34

Prevalence (%)

Question 35

number of worms per infected person

Answer 35

intensity of infection (worm burden)

Question 36

individual-level deworming

Answer 36

selective treatment

Question 37

group-level deworming

Answer 37

targeted treatment

Question 38

population-level deworming

Answer 38

Universal deworming