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Question 1

Bio safety Levels (BSL)

Answer 1

Provides a set of minimum standards for laboratory practices,
facilities, and equipment to be used when handling organisms at
each level

Question 2

Refraction

Answer 2

Bending of light

Question 3

Resolution

Answer 3

Clarity of an image

Question 4

Resolving Power (Limit of Resolution)

Answer 4

Actual measurement of how far apart two points must be for the
microscope to view them as being separate

Question 5

Trematodes (Flukes)

Answer 5

Schistosoma mansoni

Question 6

Is the causative agent of

schistosomiasis

Answer 6

Trematodes (Flukes); Schistosoma mansoni

Question 7

Found in Brazil, some Caribbean islands, Africa, and

parts of the Middle East

Answer 7

Trematodes (Flukes); Schistosoma mansoni

Question 8

S
NAILS
serve as
primary
intermediate host between
humans

Answer 8

Trematodes (Flukes); Schistosoma mansoni

Question 9

Infection occurs via contact with fecally contaminated water containing juveniles of the species
»Juveniles penetrate
skin
,

Answer 9

Trematodes (Flukes); Schistosoma mansoni

Question 10

Signs
and s
ymptoms:
bloody diarrhea, abdominal pain,
fever, and lethargy

Answer 10

Trematodes (Flukes); Schistosoma mansoni

Question 11

Dx. eggs in feces

Answer 11

Trematodes (Flukes); Schistosoma mansoni

Question 12

Clonorchis sinensis

Answer 12

A.k.a.,
oriental liver fluke
(endemic in Japan, Korea,
Vietnam, China, and Taiwan)
-
Is the causative agent of
cl
onorchiasis

Question 13

Infection occurs when
undercooked infected fish
is
ingested

Answer 13

Clonorchis sinensis

Question 14

Adults migrate to liver bile ducts and begin laying
eggs
in approximately one month
»
Causes liver disease

Answer 14

Clonorchis sinensis

Question 15

Note:
transmission of parasite from the mammal host
(cats, dogs, swine) to humans

Answer 15

Clonorchis sinensis

Question 16

Signs and symptoms: biliary obstruction and
inflammation (cholangitis), and steatorrhea (presence of
fat in feces due to consumption of bile by parasi
te

Answer 16

Clonorchis sinensis

Question 17

6
|
P a g e
-
Dx. eggs in feces
, eosinophilia, increased liver fun
ction
tests (LFTs), alkaline phosphatase, γ
-
glutamyl
transpeptidase, and bilirubin

Answer 17

Clonorchis sinensis

Question 18

Cestodes (Tapeworms)

Answer 18

a
holdfast with many flattened sacs for a
body

Question 19

Taenia saginata

Answer 19

Beef tapeworm

Question 20

Scolex

Answer 20

serves
to
secure
tapeworm
into wall
of small intestine

Question 21

Proglottid

Answer 21

segment of a
tapeworm,
containing both
male and female
reproductive
organs

Question 22

Signs and symptoms: mild nausea, diarrhea, abdominal

pain, and headache

Answer 22

Cestodes (Tapeworms)

Question 23

Dx. scolex and gravid proglottids in feces

Answer 23

Cestodes (Tapeworms); Taenia solium

Question 24

Taenia solium

Answer 24

Pork tapeworm

Question 25

Signs and symptoms are more mild than T. saginata
but
are at risk of developing
cysticercosis

Answer 25

Taenia solium

Question 26

Dipylidium

caninum

Answer 26

a common parasite of dogs and cats involving the flea

as intermediate host

Question 27

Echinococcus granulosus

Answer 27

causative

agent of human hydatidosis

Question 28

Hymenolepis nana

Answer 28

most

common cestode in humans in the world

Question 29

Nematodes (Roundworms

)

Answer 29

Ascaris lumbricoides

Question 30

Is the causative agent of

ascariasis

Answer 30

Ascaris lumbricoides

Question 31

Infection in humans occur when
eggs
in fecally
contaminated soil or food
are
ingested

Answer 31

Ascaris lumbricoides

Question 32

J
uveniles emerge in intestine
,
penet
rate
its
wall,
and
migrate to
lungs and other tissues
»
After a period of development in lungs, juveniles
move up the respiratory tree to esophagus and are
swallowed again

Answer 32

Ascaris lumbricoides

Question 33

Dx. eggs in feces

Answer 33

Ascaris lumbricoides

Question 34

Enterobius vermiculari

Answer 34

Pinworm

Question 35

Is the causative agent of
enter
o
biasis

Answer 35

Enterobius vermiculari

Question 36

Especially prevalent among people in institutions (such
as orphanages and mental hospitals) because conditions
favor
fecal
-
oral transmission
of parasite

Answer 36

Enterobius vermiculari

Question 37

Dx. eggs collected on cellophane (scotch) tap

Answer 37

Enterobius vermiculari

Question 38

Necator americanus

Answer 38

A.k.a., Hookworm

Question 39

Infection occurs when
juveniles penetrate skin
, enter
blood and travel
to lungs

Answer 39

Necator americanus

Question 40

Dx. eggs in feces

Answer 40

Necator americanus

Question 41

Rx. albendazole

Answer 41

Necator americanus

Question 42

Trichonella spiralis

Answer 42

Is the c
ausative agent of
trichinosis

Question 43

Infection occurs from ingestion of raw or undercooked

pork and wild game having the larvae

Answer 43

Trichonella spiralis

Question 44

S
igns and symptoms: nausea, dyspepsia, diarrhea,
muscle pain
, fever, weakness; periorbital edema and splinter hemorrhage are
classic signs

Answer 44

Trichonella spiralis

Question 45

Dx. larvae in feces
, eosinophilia, increased levels of
creatine phosphokinase (CPK)

Answer 45

Trichonella spiralis

Question 46

Rx. albendazole

Answer 46

Trichonella spiralis

Question 47

Strongyloides stercoralis

Answer 47

intestinal

threadworm

Question 48

Wuchereria bancrofti

Answer 48

filarial worm

Question 49

Trichuris

trichiura

Answer 49

intestinal whipworm

Question 50

Rx. praziquante

Answer 50

Taenia saginata; Taenia solium

Question 51

Rx. Praziquantel

Answer 51

Clonorchis sinensis; Schistosoma mansoni

Question 52

Trematodes aka?

Answer 52

flukes

Question 53

Cestodes aka?

Answer 53

Tapeworms

Question 54

Nematodes aka?

Answer 54

Roundworms

Question 54

Cyst

Answer 54

Dormant stage, usually spherical

Question 55

Trophozoites

Answer 55

Active stage, motile feeding stage

Question 56

Protozoan a are unicellular eukaryotic heterotrophic microorganisms

Answer 56

True