Parasitic Infections of GI II

Question 1

Nematodes - roundworms

Answer 1

non-segmented bodies
separate sexes
complete digestive system

Question 2

Cestodes - tapeworms

Answer 2

segmented bodies
hermaphroditic
absorb nutrients

Question 3

Trematodes-flukes

Answer 3

non-segmented (leaf like)
hermaphroditic
primitive gut

Question 4

What are the most common parasitic helminths

Answer 4

nematodes

Question 5

Who are most likely to develop symptomatic nematodes infections

Answer 5

children

Question 6

Where are hematode infections more common in the US

Answer 6

SE

Question 7

What is the life cycle of nematodes

Answer 7

egg, multiple larval, adult stages

Question 8

What is enterobius vermicularis

Answer 8

pinworm

Question 9

How is enterobius vermicularis spread

Answer 9

fecal oral - ingestion of eggs
reinfection common within families
only transmitted human to human

Question 10

Symptomatic enterobius vermiculuaris

Answer 10

perianal itching, secondary bacterial infection

Question 11

How do you diagnosis enterobius vermicularis

Answer 11

identify eggs in perianal region - scotch tape test

Question 12

How do you treat enterobius vermicularis

Answer 12

anti-helminthic compounds - mebendazole, pyrantel pamoaste

Question 13

What is trichuris trichiura

Answer 13

whipworm

Question 14

Trichuris trichiura transmission

Answer 14

fecal oral, contaminated soil

Question 15

What is the definition of symptomatic trichuris trichiura infection

Answer 15

> 200 adult worms

Question 16

Symptoms of trichuris trichiura

Answer 16

rectal prolapse in children - bloody mucus containing diarrhea

Question 17

How do you diagnosis trichuris trichiura

Answer 17

identify eggs in stool

Question 18

Ascaris lumbircoides

Answer 18

largest of intestinal roundworms

Question 19

Transmission of ascaris lumbircoides

Answer 19

fecal-oral, contaminated soil

eggs need to develop in soil

Question 20

What is the resevoir for ascaris lumbricoides

Answer 20

humans

Question 21

Pulmonary ascaris lumbricoides

Answer 21

mild cough, pneumonitis

parasite antigens may be highly allergenic

Question 22

How do you diagnosis ascaris lumbricoides

Answer 22

eggs in stool, larvae or esoinophils in sputum

Question 23

2 types of hookworm

Answer 23

nacator amicanus

ancylostoma duodenale

Question 24

Hookworm is the major cause of ______ in _____ and _______

Answer 24

anemia
children
pregnant women

Question 25

Transmission of hookworm

Answer 25

larvae from fecal contaminated soil penetrate intact skin

Question 26

What happens if you come in contact with dog or cat hookworm

Answer 26

cutaneous larval migrans

Question 27

Symptoms of hookwork

Answer 27

iron deficiency anemia | fatigue, external dyspnea, koilonychias, pale sclera, heart murmurs

Question 28

What type of hookworm is more pathogenic

Answer 28

ancylostoma

Question 29

How do you prevent hookworm

Answer 29

sanitation, wear shoes

Question 30

What is unique about stronglyoides sterocoralis repro

Answer 30

doesn't need to reproduce in humans

Question 31

Stronglyoides sterocoralis

Answer 31

smallest of intestinal nemotodes

Question 32

How is strongyloides stercoralis transmitted

Answer 32

penetration of skin by infectious larvae

Question 33

non-specific symptoms of strongyloiodes sterocoalis

Answer 33

epigastric pain & tenderness, bloating, heartburn

Question 34

Hyperinfection of strongyloides stercoralis

Answer 34

worsening of diarrhea and pulmonary symptoms

Question 35

Disseminated infection of strongyloidess stercoralis

Answer 35

goes into CNS, peritoneum, liver, and kidney

Question 36

Who gets disseminated strongyloidiasis

Answer 36

people undergoing immunosuppressive therapy

Question 37

How do you prevent stronglyoidiasis

Answer 37

sanitation, hygiene | wear shoes

Question 38

Enterobius eggs

Answer 38

flat on one side

Question 39

Trichuris eggs

Answer 39

lemon/barrel shaped

Question 40

Ascaris lumbriocoides eggs

Answer 40

lumpy bumpy

Question 41

Hookworm eggs

Answer 41

boring/plain