Protista 6

Question 1

stramenopiles taxonomy

Answer 1

kingdom- protistis
class- sar- eukaryotes
order- straemenopiles

Question 2

straemeno-piles taxonomy

Answer 2

class- SAR-eukaryotes

order- straemenopiles

Question 3

stramenopiles id

Answer 3

• flagella w/ fine hair like projections
• stamen and pile long narrow shaft giving rise to small number of fine hairs
• entire structure inserts into cell by basal region

Question 4

stamenopiles- diatoms

Answer 4

lost these hairs

Question 5

stamenopiles associated with what

Answer 5

water molds, brown algae

Question 6

blastocystis hominis taxonomy

Answer 6

kingdom- protistis
class- sar- eukaryotes
order- straemenopiles

Question 7

blastocystis hominis host

Answer 7

• ppl, pigs, mammals
• chickens, birds
• amphibians, reptiles

Question 8

blastocystis hominis lifecycle

Answer 8

Thick wall cyst found in human stool -> Infect epithelial cells of digestive tract & multiply asexually -> Vacuolar form makes multivacuolar form -> Precyst -> Thin walled cyst (autoinfection)

Question 9

blastocystis hominis dx

Answer 9

maybe or maybe not symptomatic infection in humans

spectrum from watery d+ -> abd pain -> flatulence

Question 10

blastocystis hominis transmission

Answer 10

• cysts in stool

- fecal-oral via contaminated food/ water

Question 11

blastocystis hominis life cycle fun fact

Answer 11

not for sure

Question 12

pythium insidosum taxonomy

Answer 12

kingdom- protistis
class- sar- eukaryotes
order- straemenopiles

Question 13

pythium insidosum growth

Answer 13

hyphae like growth phases, aseptae, not a fungus

Question 14

pythium insidosum host

Answer 14

• horse, dog, cat
• ppl
• cow, sheep, goat
• birds and bears

Question 15

pythium insidosum flagella

Answer 15

• tinsel- anterior flagellum

- whiplast- posterior flagellum

Question 16

pythium insidosum life cycle

Answer 16

• oogamy sexual process

- biflagellate zoospores in we environment, wet soil, vegetation

Question 17

pythium insidosum tx

Answer 17

• antifungals dont work well because lack ergosterol in cell membrane (20% therapeutic if used long term)
• surfical resection and chemo

Question 18

pythium insidosum transmission

Answer 18

• chemotaxis towards decaying or injured tissue
• extend highly invasive into host tissue on contact
• not transmissible between nosts

Question 19

pythium insidosum seasons

Answer 19

dont survive winter

Question 20

pythium insidosum organ effected in who

Answer 20

• Cutaneous form more in horses (kunkers, draining fistulas w/ necrotic yellow grey material)
• GI form more in dogs (vomiting, wt loss, D, abd masses)

Question 21

pythium insidiosum dx

Answer 21

• Lesions on body parts that were in direct contact w/ water that zoospores swam into
• Mechanical damage, inflamm, edema, degradation, necrosis, arterial occlusion

Question 22

pythium insidiosum geography

Answer 22

tropical, subtropical, temperate regions worldwide

Question 23

entamoeba histolytica taxonomy

Answer 23

kingdom- protistis
class- sar- eukaryotes
order- straemenopiles

Question 24

entamoeba histolytica dx

Answer 24

• eat rbcs and can penetrate mucosa and cause death

- d+, liver abscess, death

Question 25

entamoeba histolytica lifecycle

Answer 25

- excystation in si after ingestion then trophozoites migrate to lg intestine, mult then exit host in feces

Question 26

entamoeba histolytica transmission

Answer 26

- cysts and trophozoites passed in feces

Question 27

entamoeba dispar taxonomy

Answer 27

kingdom- protistis class- sar- eukaryotes order- straemenopiles

Question 28

entamoeba dispar dx

Answer 28

no disease or death

Question 29

acanthamoeba taxonomy

Answer 29

kingdom- protistis class- sar- eukaryotes order- straemenopiles

Question 30

acanthamoeba host

Answer 30

- humans, dogs, cats

Question 31

acanthamoeba id

Answer 31

- acanthopodia | - pseudopodia w/ sm filamentous protrusions

Question 32

acanthamoeba transmission

Answer 32

cyst stage in through nose, eyes, broken skin

Question 33

acanthamoeba dx

Answer 33

- keratitis (can live in contact lens solution) | - granulomatous amebic encephalitis (transported to brain via hematogenous spread)

Question 34

acanthamoeba found where

Answer 34

free living in various aquatic environment

Question 35

balamuthia mandrills taxonomy

Answer 35

kingdom- protistis class- sar- eukaryotes order- straemenopiles

Question 36

balamuthia mandrillaris host

Answer 36

- zoo animals | - humans

Question 37

balamuthia mandrillaris transmission

Answer 37

cyst stage through nose, eyes, broken skin

Question 38

balamuthia mandrillaris effects who

Answer 38

- healthy individuals mainly the young

Question 39

balamuthia mandrillaris dx

Answer 39

- chronic granulomatous amebic encephalitis in human (chronic, progressive, necrotizing) - necrotizing skin lesions - fatal

Question 40

balamuthia mandrillaris found where

Answer 40

- south Carolina - texas - Mexico - venezuela

Question 41

blastocystis hominis tx

Answer 41

no proven tx infection clears on its own

Question 42

what was most common thing found in human fectals

Answer 42

blastocystis

Question 43

balamuthia mandrillaris taxonomy

Answer 43

kingdom- protistis class- sar- eukaryotes order- straemenopiles