LESSON#1: INTRODUCTION TO PARASITOLOGY

Question 1

What is Symbiosis

Answer 1

Two UNLIKE organisms living together

Question 2

Two species live together where only one species benefits from the relationship

Answer 2

Commensalism

Question 3

Two organisms mutually benefit from each other

Answer 3

Mutualism

Question 4

Two organisms living together, with one’s survival usually at the expense of the host

Answer 4

Parasitism

Question 5

Parasite that cannot survive outside of the host

Answer 5

OBLIGATORY PARASITE

Question 6

Parasite that is capable of existing independently of a host

Answer 6

FACULTATIVE PARASITE

Question 7

Parasites that is established inside of the host.

Answer 7

ENDOPARASITE

Question 8

Parasite that is established in or on the exterior of the host

Answer 8

ECTOPARASITE

Question 9

presence of endoparasite

Answer 9

Infection

Question 10

presence of ectoparasite

Answer 10

Infestation

Question 11

Adult sexual phase of parasite development occurs

Answer 11

DEFINITIVE HOST

Question 12

Asexual or larval phase of parasite development occurs

Answer 12

INTERMEDIATE HOST

Question 13

Parasite doesn’t develop further to later stages but able to infect another susceptible host

Answer 13

PARATENIC HOST

Question 14

Host that harbors the parasite other than mentioned above

Answer 14

RESERVOIR HOST

Question 15

Host responsible for transferring a parasite from one location to another

Answer 15

TRANSPORT HOST

Question 16

Other than the normal one that is harboring a parasite

Answer 16

ACCIDENTAL HOST

Question 17

Parasite-harboring host that is not exhibiting any clinical symptoms but can infect others

Answer 17

CARRIER

Question 18

3 COMPONENTS OF PARASITIC LIFE CYCLE

Answer 18

Mode of Transmission
Infective Stage
Diagnostic Stage

Question 19

When a parasite requires only A SINGLE HOST to complete its development

Answer 19

DIRECT LIFE CYCLE

Question 20

When a parasite requires 2 OR MORE SPECIES OF HOST to complete its development

Answer 20

INDIRECT LIFE CYCLE

Question 21

SOURCES OF INFECTION

Answer 21

• Contaminated soil, water, and food
• Vectors – insects, ticks, arthropods
• Animals – domestic or wild animals
• Another person

Question 22

MODE OF TRANSMISSION

Answer 22

• Oral transmission
• Skin Transmission
• Vector Transmission

Question 23

MODES OF INFECTION where infection occurs during Transplacental/Congenital

Answer 23

• Vertical Transmission

Question 24

Parasites that are transmitted during medical procedures

Answer 24

Iatrogenic Transmission

Question 25

Lessen the burden or cases of illnesses caused by parasitic infections

Answer 25

MORBIDITY CONTROL

Question 26

The planning, organization, performance, and monitoring of activities for the modification and/or manipulation of environmental factors or their interaction with human beings with a view to preventing or minimizing vector or intermediate host propagation and reducing contact between humans and infective agent.

Answer 26

ENVIRONMENTAL MANAGEMENT

Question 27

Interventions to reduce environmental health risks including the safe disposal and hygienic management of human and animal excreta, refuse, and wastewater

Answer 27

ENVIRONMENTAL SANITATION