PARA- 1ST QUIZZZ

Question 1

He was the first scientist to introduce the single lens microscope.

Answer 1

Anton Van Leeuwenhoek

Question 2

He successfully identified the organisms that had caused a mysterious disease in silkworms and endangered the French silk industry.

Answer 2

Louis Pasteur

Question 3

founded the field of tropical medicine

Answer 3

Patrick Manson

Question 4

He showed the transmission of malarial parasites by mosquitoes.

Answer 4

Ronald Ross

Question 5

He discovered the malariaal parasite.

Answer 5

Charles Louis Alphonse Laveran

Question 6

He introduced the word “zoonosis”.

Answer 6

Rudolf Virchow

Question 7

is the area of biology concerned with the phenomenon of dependence of one living organism on another.

Answer 7

PARASITOLOGY

Question 8

concerned primarily with parasites of humans and their medical significance, as well as their importance in human communities.

Answer 8

MEDICAL PARASITOLOGY

Question 9

is a branch of medicine that deals with tropical diseases and other special medical problems of tropical regions.

Answer 9

TROPICAL MEDICINE

Question 10

is an illness, which is indigenous to or endemic in a tropical area but may also occur in sporadic or epidemic proportions in areas that are not tropical.

Answer 10

TROPICAL DISEASE

Question 11

Parasitic infection is found in MAN alone.

Answer 11

ANTHROPONOSIS

Question 12

animals become INFECTED in the life cycle of the parasite.

Answer 12

ZOOANTHROPONOSIS

Question 13

Parasitic infection is mainly in animal, may be acquired by man.

Answer 13

ANTHROPOZOONOSIS

Question 14

are living organisms, which depend on a living host for their nourishment and survival.

Answer 14

PARASITE

Question 15

They multiply or undergo development in the host.

Answer 15

PARASITE

Question 16

a parasite living outside the body of a host.

Answer 16

ECTOPARASITE

Question 17

a parasite living inside the body of a host.

Answer 17

ENDOPARASITE

Question 18

these need a host at some stage of their life cycle to complete development and to propagate their species.

Answer 18

OBLIGATE PARASITE

Question 19

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

Answer 19

FACULTATIVE PARASITE

Question 20

it is found in an organ which is not its usual habitat.

Answer 20

ERRATIC PARASITE

Question 21

which the parasite is not usually found.

Answer 21

ACCIDENTAL PARASITE

Question 22

lives on the host only for a short period of time.

Answer 22

TEMPORARY PARASITE

Question 23

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

Answer 23

PERMANENT PARASITE

Question 24

free-living organism that passes through the digestive tract without infecting the host.

Answer 24

SPURIOUS PARASITE:

Question 25

Parasite that parasitizes another parasite.

Answer 25

HYPERPARASITE:

Question 26

Mistaken as parasite.

Answer 26

PSEUDOPARASITE:

Question 27

defined as an organism, which harbors the parasite and provides nourishment and shelter to the latter and is relatively larger than the parasite.

Answer 27

HOST

Question 28

CLASSIFICATIONS OF HOSTS

Answer 28

DEFINITIVE HOSTS INTERMEDIATE HOSTS PARATENIC HOSTS RESERVOIR HOSTS ACCIDENTAL HOSTS

Question 29

is one in which the parasite obtains sexual maturity.

Answer 29

DEFINITIVE HOSTS

Question 30

harbors the asexual or larval stage of the parasite.

Answer 30

INTERMEDIATE HOSTS

Question 31

infect the pork tapeworm

Answer 31

Taenia solium

Question 32

beef tapeworm

Answer 32

Taenia saginata

Question 33

the parasite does not develop further to later stages.

Answer 33

PARATENIC HOSTS

Question 34

allow parasite’s life cycle to continue and become an additional source of infection.

Answer 34

RESERVOIR HOSTS

Question 35

which the parasite is not usually found.

Answer 35

ACCIDENTAL HOSTS

Question 36

prolonged association between two or more different biological species

Answer 36

SYMBIOSIS

Question 37

in which two species live together and one species benefits from the relationship without harming or benefiting the other.

Answer 37

COMMENSALISM-

Question 38

in which two organisms mutually benefit from each other.

Answer 38

MUTUALISM

Question 39

where one organism, the parasite, lives in or on another, depending on the latter for its survival and usually at the expense of the host.

Answer 39

PARASITISM

Question 40

2 types of exposure

Answer 40

INCUBATION PERIOD PRE-PATENT PERIOD

Question 41

is the period between infection or acquisition of the parasite and evidence or demonstration of infection.

Answer 41

PRE-PATENT PERIOD

Question 42

Is the period between infection and evidence of symptoms.

Answer 42

INCUBATION PERIOD

Question 43

2 types of INFECTION

Answer 43

AUTOINFECTION SUPERINFECTION

Question 44

happens when the infected individual is further infected with the same species leading to massive infection with the parasite.

Answer 44

SUPERINFECTION

Question 45

results when an infected individual becomes his own direct source of infection.

Answer 45

AUTOINFECTION

Question 46

SOURCES OF INFECTION

Answer 46

Contaminated soil and water Food Insect vectors Animals Other persons Self (AUTOINFECTION)

Question 47

MODES OF INFECTION

Answer 47

Oral transmission Skin transmission Vector transmission Direct transmission Vertical transmission Iatrogenic transmission

Question 48

May be inflicted by a parasite by means of pressure as it grows larger.

Answer 48

DIRECT EFFECT: MECHANICAL INJURY

Question 49

May be inflicted by a parasite by means of pressure as it grows larger.

Answer 49

DIRECT EFFECT: TRAUMATIC DAMAGE

Question 50

E. histolytica trophozoites secrete CYSTEINE PROTEASES which digest cellular material.

Answer 50

DIRECT EFFECT: ENZYMATIC INTERFERENCE

Question 51

PLASMODIUM invades RBC —-> RBC rupture Schistosoma japonicum to liver —-> Granuloma formation Hookworms destroying intestinal villi.

Answer 51

DIRECT EFFECT: INVASION AND DESTRUCTION

Question 52

D. latum COMPETES with host VITAMIN B12 SUPPLY —> Megaloblastic anemia

Answer 52

DIRECT EFFECT: NUTRIENT DEPRIVATION

Question 53

Excessive proliferation of certain tissues due to invasion by some parasites can also cause tissue damage in man.

Answer 53

INDIRECT EFFECTS

Question 54

Protection against P. falciparum.

Answer 54

SICKLE CELL DISEASE:

Question 55

: Increases susceptibility to P. vivax

Answer 55

DUFFY BLOOD GROUP SYSTEM

Question 56

NOT suitable for intestinal protozoan development.

Answer 56

HIGH PROTEIN DIET:

Question 57

LABORATORY DIAGNOSIS

Answer 57

Microscopy Culture Serological test Skin test Molecular method Animal inoculation Xenodiagnosis Imaging Hematology