Sample Questions

Question 1

Enterobiasis is usually diagnosed by identifying the

Answer 1

Eggs in perianal swabs

Question 2

In light ingection of Trichiuriasis, the adults may be found in the

Answer 2

Ceacum

Question 3

This nematode is usually found in fish eating birds, infects humans who ingests raw or half cooked fresh water fish like Hypselotris bipartita

Answer 3

Capillaria philippinensis

Question 4

Nematode infection which is aquired by eating inadequately cooked infected pork

Answer 4

Trichinella spiralis”

Question 5

The following pairs of helminthes cannot be differentiated by the appearance of their eggs

Answer 5

A. duodenale and N. americanus

Question 6

Examination of diodenal aspirates or string test specimens maybe helpful in suspicious cases in which direct fecal smears are found to be negative for the of the diagnostic larvae of this nematode parasite

Answer 6

S. stercoralis

Question 7

”"”Creeping eruption”” or cutaneous larval migrans is a condition caused by

Answer 7

A. braziliense

Question 8

The best technique to identify this nematode diagnostically is by performing muscle biopsy

Answer 8

T. spiralis

Question 9

Infective stage of this soil transmitted nematode is the filariform larva

Answer 9

N. americanus

Question 10

Nematode that passes the lungs to complete its life cycle

Answer 10

A. lubricoides

Question 11

The host where the sexual reproductive stage of the parasite exists is called

Answer 11

definitive host

Question 12

Which of the following technique is the most dependable procedure for accurate, specific diagnosis of an ACUTE AMOEBIC INTESTINAL INFECTION

Answer 12

permanently stained smear

Question 13

The following is not a fixative or preservative used for detection of parasites is stool fecal samples

Answer 13

glycerol water

Question 14

The rhabditiform larva of S. stercoralis except

Answer 14

is infective to humans

Question 15

Solution used in direct fecal smear (DFS)

Answer 15

NSS

Question 16

The most widely used fecal technique, Kato-Katz Modified Thick Smear is

Answer 16

quantitative technique

Question 17

This nematode does not produce eggs in feces

Answer 17

A. stercoralis

Question 18

A microfilaria causing a serious eye disease and identified with a sheath and terminal nuclei

Answer 18

Loa-loa

Question 19

Toxocara canis is the causative agent of

Answer 19

visceral larval migrans

Question 20

Guitar/peanut shape eggs with less prominent mucus plugs

Answer 20

C. philippinensis

Question 21

Causative agent of meningoencephalitis in man

Answer 21

A. cantonensis

Question 22

”"”Loeffier’s Syndrome”” is clinically found in

a. Hookworm infection
b. Triciuriasis
c. Both
d. Neither

Answer 22

Neither

Question 23

Tissue nematode capable of encysting and developing in striated muscles

Answer 23

T. spiralis

Question 24

This parasite may caused hematuria

Answer 24

S. hemtobium

Question 25

Trematode infection which can be acquired by eating raw, half-cooked, or pickled fish

Answer 25

C. sinensis

Question 26

An intestinal fluke with asn additional 3rd genital sucker

Answer 26

H. heterophytes

Question 27

A trematode fluke that is similar to S. japanicum but smaller in size, recently discovered occuring mainly in the Mekong River basin

Answer 27

S. mekongi

Question 28

Adult flukes of trematodes are characterized by the presence of an oral sucker for feeding and a ventral sucker for

Answer 28

attachment

Question 29

The larval stages of the trematode group are usually found in the

Answer 29

intermediate host

Question 30

Non-pathogenic emoeba, lumen dweller

Answer 30

All of the above (E. coli, E. nana, L. butschlii)

Question 31

Stage of shistosomes infective to the mammals

Answer 31

Cercaria

Question 32

Sexual intercourse is the only known mode of infection of this pathogenic flagellate

Answer 32

T. vaginalis

Question 33

Mono-nucleated cysts with large iodine staining glycogen vacuole

Answer 33

I. butschlii

Question 34

Non-pathogenic flagellate found normally in the tartar of the teeth

Answer 34

T. tenax

Question 35

Non-pathogenic amoeba causing ““pyorrhea”” and the motile trophozoites exhibits finger like pseudopods

Answer 35

E. gingivalis

Question 36

Most pathogenic amoeba of a man which can be diagnosed also with Indirect-Hemagglutination Agglutination test or maybe cultured with Balamuths medium

Answer 36

E. histolytica

Question 37

Non-pathogenic limen-dweller with a characteristic spiral groove and curved cystosomal fibers more referred to as the American lemon shape cysts

Answer 37

C. mesnili

Question 38

Pathogenic trophozoites engulfs RBC, has unidirectional movement and hyaline glassy pseudopodia

Answer 38

E. histolytica

Question 39

Usual final hosts are the bovine species, a ciliate causing dysentery and resulting in colonic ulcerations

Answer 39

B. coli

Question 40

Intestinal flagellate causing severe diarrhea due to malabsorption syndrome of fats and starch and the trophozoite stage shows the falling leaf motion

Answer 40

G. lamblia