1st Lec Exam

Question 1

Study of parasitism and the parasites with the aim of understanding parasites and their relationships with their host.

Answer 1

Parasitology

Question 2

The science or study of the life cycle, morphology, pathogenicity, transmission, epidemiology, and control of parasites

Answer 2

Parasitology

Question 3

Multidisciplinary, embracing the fields of physiology, biochemistry, cellular biology, immonology, pathology, pharmacology to name a few

Answer 3

Parasitology

Question 4

Parasitology is divided into three:

Answer 4

1. Veterinary Entomology
2. Veterinary Protozoology
3. Veterinary Helminthology

Question 5

History of Parasitology: Different types of malaria in humans

Answer 5

Ancient Chinese physicians

Question 6

History of Parasitology: Beef tapeworm (Taenia siginata) and guinea worm (Dracunculus medinensis)

Answer 6

Ebers papyrus in Egypt

Question 7

History of Parasitology: Cattle disease that resembles nagana caused by Trypanosoma species

Answer 7

Kahun papyri

Question 8

History of Parasitology: Tapeworms, and hydatid disease

Answer 8

Greeks of Aristotle’s day, Hippocrates

Question 9

History of Parasitology: Described several parasitic worms of humans

Answer 9

Perisian physician Avicenna

Question 10

Father of Modern Parasitology, described about 180 parasites

Answer 10

Francesco Redi

Question 11

“Living together”; any two organisms living together

Answer 11

Symbiosis

Question 12

Types of symbiosis

Answer 12

1. Mutualism
2. Commensalism
3. Phoresy
4. Parasitism

Question 13

Types of symbiosis: both individuals are benefitted

Answer 13

Mutualism

Question 14

Types of symbiosis: only one individual benefitted but without negative effects to the other individual

Answer 14

Commensalism

Question 15

Types of symbiosis: “traveling together”, there is no physiological dependence

Answer 15

Phoresy

Question 16

Types of symbiosis: one individual is benefitted at the expense at the expense of the other which is usually harmed

Answer 16

Parasitism

Question 17

Greek “Parasitos” (para-beside, sitos-food) - a person who eats at the table of another

Answer 17

Parasite

Question 18

An organism that lives on or in an organism of another species (the host), from which it derives sustenance and cause damage.

Answer 18

Parasite

Question 19

Types of Parasites (based on location)

Answer 19

1. Ectoparasites
2. Endoparasites
3. Extracellular
4. Intracellular

Question 20

Types of parasites based on location: Those occuring on the external surface of their host’s body, such as the skin and skin derivatives, eyes, nose, and mouth.

e.g. most parasitic arthropods

Answer 20

Ectoparasites

Question 21

Types of parasites based on location: Those occuring internally, within their host. Helminths occuring in the lumen of GIT are included.

Answer 21

Endoparasites

Question 22

Types of parasites based on location: Those that live within host tissues but do not penetrate the cells

Answer 22

Extracellular

Question 23

Types of parasites based on location: Those that invade host cells

Answer 23

Intracellular

Question 24

Types of parasites based on degree of dependence on their host

Answer 24

1. Obligate parasite
2. Facultative parasites
3. Opportunistic parasites
4. Accidental or incidental parasites

Question 25

Types of parasites based on degree of dependence on their host: completely depend on their host for their survival

Answer 25

Obligate parasites

Question 26

Types of parasites based on degree of dependence on their host: may or may not parasitize other organisms

Answer 26

Facultative parasites

Question 27

Types of parasites based on degree of dependence on their host: Parasitize a host under favorable conditions (e.g. weak immune system)

Answer 27

Opportunistic parasites

Question 28

Types of parasites based on degree of dependence on their host: A parasite that accidentally enters a host different from its usual one

Answer 28

Accidental parasite