fungus review

Question 1

giardia lamblia high risk

Answer 1

infants, children, travelers, immunocompromised, poor sanitation, insufficient water treatment

Question 2

giardia lamblia infectious dose and form

Answer 2

cysts. low 10-25

Question 3

giardia lamblia seual reporductive form

Answer 3

trophozoites

Question 4

what is dangerous about the infectious form

Answer 4

can still shed for up to 6 months making determining the source unlikely

Question 5

symptomatic giardia lamblia

Answer 5

watery diarrhea, malaise, foul smelling steatorrhea, abdominal cramps, bloating, farts, weight loss, fevers, nausea.

Question 6

giardia lamblia chronic>

Answer 6

symptoms wax and wane for months

Question 7

giardia lamblia common?

Answer 7

the most common

Question 8

cryptosporidium

Answer 8

2nd most common. intracellular parasite of the GI. found throughout the moist months 7-9. contaminated drinking water (fecal-oral). swimming and travelers disease. MOST COMMON AIDS diarrhea f

Question 9

what does cryptosporidium infect

Answer 9

Gi and respiratory epithelium.

Question 10

what diseases does cryptosporidium cause

Answer 10

diarrhea and biliary tract disease. malaise, nausea, anorexia, fever, diarrhea. 10-14 days.

Question 11

entameba histolytica

Answer 11

3rd most common. intestinal amebiasis. most asympt but can cause dysentery and extraintestinal disease. liver abscess, pulmonary, cardiac, brain.

Question 12

what is the infectious form of entameba histolytica

Answer 12

cystic

Question 13

where do we get entameba histolytica

Answer 13

from fecal-oral contamination. highly contagious. 1 cyst

Question 14

life cycle of entameba histolytica

Answer 14

the cyst is swallowed and excysts in the small intestine penetrates the mucous barrier and causes bloody diarrhea.

Question 15

what is the most common disease caused by entameba histolytica

Answer 15

diarrhea without dysentery

Question 16

what is the most common extraintestinal finding

Answer 16

liver abscess. infected through the portal system. RUQ pain and fever.

Question 17

T solium

Answer 17

humans can be the intermediate or definitive hosts. pork tape worm.

Question 18

what is the definitive host

Answer 18

the host in which the parasite reaches maturity and sexually reproduces.

Question 19

T solium worm form

Answer 19

originates from people eating the cysts that develop into worms from larvae.

Question 20

where is T solium most common

Answer 20

asia, south africa, mexico, central america,

Question 21

what are the symptoms of T solium

Answer 21

generally asymptomatic when it is a tapeworm. must be highly suspicious about autoinfection though. -this means cysticercosis.

Question 22

what is cystcercosis

Answer 22

major cause of adult onset seizures. neurocysticercosis is wen the cysts reach the brain. mostly related to intracerebral lesions. seizures due to intracranial HTN.

Question 23

do you get cysticercosis from undercooked pork?

Answer 23

no. this gives you tape worm

Question 24

diphylloothrium latam

Answer 24

eating undercooked fresh fish with plerocercoid cysts. sushi bar.

Question 25

where is diphylloothrium latum endemic

Answer 25

scandinavia, california, japan,

Question 26

how long can diphylloothrium latam survive

Answer 26

30 years.

Question 27

what are the symptoms of diphylloothrium latam

Answer 27

asymptomatic, if any they will be nonspecific dizziness, salt craving, diarrhea. prolonged B12 deficiency. megaloblastic anemia

Question 28

T saginata

Answer 28

beef tape.

Question 29

how is T saginata transmitted

Answer 29

infectious larval cysts. rare streak, kebobs, they are large. 10m. proglittids are motile and will climb out of the anus onto clothing

Question 30

acaris lumbricoides

Answer 30

most common helminthic infection. live and mate in the small intestine primarily in the jejunum.

Question 31

what does acaris lumbricoides look like

Answer 31

pink-white worms.

Question 32

does acaris lumbricoides produce eggs

Answer 32

huge egg production.

Question 33

what is the life cycle of acaris lumbricoides

Answer 33

eggs swallowed, invade the intestinal mucosa, carried to the lungs, penetrate the parenchyma, climb up the bronchial tree and are swallowed. they survive in the small intestine.

Question 34

what symptoms canacaris lumbricoides causes

Answer 34

cough, chest discomfort, eosinophilia, dyspnea, eosinophilic pneumonia. they cause intestinal obstruction, bile obstruction, pancreatic duct, appendicitis. perforation. intussusception, valvulus, perforation.