Mcb Lab Quiz 1

Front 1

Helminths

Back 1

Parasitic worms needing hosts, humans.

Front 2

3 kinds of Helminths

Back 2

1. Cestodes
2. Nematodes
3. Trematodes

Front 3

Cestodes

Back 3

"Tapeworms"
Taenia. Solium (beef)
T. saginata (pork)

Front 4

Nematodes

Back 4

"Roundworms"
1 - A. lumbricoides
2 - Enterobius vernicularis (pruritis)
3 - Strongyloides stercolaris (swimmer's itch)

Front 5

Trematodes

Back 5

"Flukes"
Clonorchis Sinensis

Front 6

Ascaris Lumbricoides

Back 6

Nematode.
Female > Male. Male - hook tale.
Eggs hatch in intestines --> bloodstream --> lungs --> esophagus --> sm intestines
Disease = Ascariasis
Found feces

Front 7

Symptoms of Ascariasis

Back 7

Diarrhea, vomiting, malabsorption
pneumonia, weight loss, cough
Found in feces
Contamination: food/water w/ eggs

Front 8

Enterobius vermicularis

Back 8

"Pinworm"
Adult female has pin shape
Infection = Enterobiasis
Diagnostic: Tape Test
Common in children
Female goes into anal region releases eggs.

Front 9

Symptoms of Enterobiasis

Back 9

Anal itchiness, diarrhea, vomitingCause: Ingest food/drink/objects with eggs (fomites)

Front 10

Can the host of Enterobiasis be reinfected?

Back 10

Yes! More scratching = release eggs more on other items; airborne = host infected by the eggs

Front 11

Strongyloides larvae

Back 11

"Threadworm"
(Nematode/Roundworm 3)
Stage of infection - Larvae
Enters system -> lungs -> throat
sm intestines --> released into feces
Infection: Strongyloidiasis

Front 12

Symptoms of strongyloidiasis

Back 12

Itchy in the area it entered, chest pains, abdominal pain
Usu. patients are asymptomatic
Juvenile strongyloides found in soil or contaminated water

Front 13

Clonorchis sinensis

Back 13

"Chinese liver fluke"
(Trematode/Fluke)
Infection: Clonorchiasis

Front 14

Symptoms of clonorchiasis

Back 14

Hepatitis (overgrowth = obstruction of bile duct)
Cause: Host ingests food infected with eggs; fish/shellfish; sushi

Front 15

Taenia types?

Back 15

Tapeworm/Cestode
Solium - pork
Saginata - beef

Front 16

How does infection with Taenia occur?

Back 16

Egg on beef ingested.
Sm. intestine reproduction
Eggs released in feces
Stage of infection - Adult (scolex)

Front 17

Symptoms of Taeniasis

Back 17

Diarrhea, malabsorption

Front 18

Name the two types of Cestodes?
What's another name for them?

Back 18

T. solium
T. saginata
Tapeworms

Front 19

Name the 3 kinds of Nematodes?

Back 19

Ascaris lumbricoides
Enterobius Vermicularis
Strongyloides stercolaris

Front 20

Name the one kind of Trematode?

Back 20

Clonorchis Sinensis

Front 21

What's the infection caused by Taenia's? Stage? Found where?

Back 21

Taeniasis. Egg/Adult. Feces

Front 22

What's the infection caused by C. Sinensis? Stage? Found where?

Back 22

Clonorchiasis
Ova
Feces

Front 23

What's the infection caused by A. Lumbricoides?

Back 23

Ascariasis
Ova
Feces

Front 24

What's the infection caused by E. Vermicularis?

Back 24

Enterobiasis
Ova
From Perianal region (scotchtape test)

Front 25

What's infection caused by S. stercolaris?

Back 25

Strongyloidiasis
Larvae
feces

Front 26

What's the symptoms of Taeniasis?

Back 26

Diarrhea, malabsorption

Front 27

Symptoms for Clonorchiasis?

Back 27

Hepatitis

Front 28

Symptoms of Ascariasis?

Back 28

Diarrhea, vomiting, malabsorption
pneumonia, weight loss, cough

Front 29

Symptoms of Enterobiasis?

Back 29

Itching, diarrhea, vomiting

Front 30

Symptoms of strongyloidiasis?

Back 30

Itchy in the area it entered, chest pains, abdominal pains
Asymptomatic patients

Front 31

Shape of E. Vermicularis egg

Back 31

Oval shape, flat border, little belly

Front 32

Shape of C. Sinensis egg

Back 32

Operculum. Tiny irregular shoulder appearance. Thick egg