Handout session 14

Question 1

how do the protozoa survive harsh environmental conditions?

Answer 1

by forming CYSTS

Question 2

what is the active feeding form?

Answer 2

trophozoaites.

Question 3

how do parasites evade the immune system?

Answer 3

parasites- antigenic shift, copy the host, mask- acquire the host molcuels and disguise
or hide intracellularly
**worms can do all of th following except they can’t go intracelluarly

Question 4

what can worms do?

Answer 4

they can do all that the parasites do except for the extracellular location.
they can make enzymes to break down your antibody defenses though! sneaky buggers.

Question 5

exogenous?

Answer 5

not part of the normal flora.

endogenous? like E. Coli? part of the normal flora.

Question 6

Toxoplasma GONDI

Answer 6

kitty litter!!!!
flu like systemptoms unless immunosuppresed- risk encephalitis.
pregneant women at risk

Question 7

diardia lamblia

Answer 7

flagellated protozoan. trophozoite and cyst form

diarrhea from mountain streams

Question 8

Entamoeba histolytica -

Answer 8

AMOEBA that infects the LARGE intestine. amoba is large = diarrhea. can exist in oral vanity ! gross.

Question 9

plasmodium

Answer 9

SPOROZOAN= MALARIA.
ANOPHELES mosquito vector.
infects host RBCs

Question 10

B. Coli

Answer 10

only CILIATE

silly pig!!! only ciliate that is pathogenic. bloody diarrhea! pig reservoir.

Question 11

tryspanasoma

Answer 11

sleeping sickness from Tste fly or chugs diaseas

Question 12

Leishmania

Answer 12

soldiers deployed. visceral or cutaneous

Question 13

shapes of helminths?

Answer 13

they’re the parasitic worms.
chested are the long, flat segmented tape worms. TAENIA. TEENE has a hit, she’s a sucker
TREMATODES- TREVERTODES- fluke. flat and non segmented. The schisa sail named Trevatode
nematodies- these are the round worms. large and non segments. ascaris- scary. nacator- hook, trichuris (tricked) whipworm, enterobius Pinworm and trichina = prok

Question 14

what is the schistose masoni

Answer 14

blood fluke
the schisa snail. all have snail in their life cycle.
go into circulation, mature in liver, adult in blood vessels make eggs
eggs out in the urin and go back to the snail.
worm covered in you immune system!!!!
Schisa!!!!

Question 15

ascaris?

Answer 15

A SCARY!!!!! intestinal.
pulmonary asthma and penumonia. liver damge .
GI tract into blood stream, liver, heart, pulmonary circulation, larvae mature in LUNGS, cough up (ASCARY)_ and swallow back to the GI
treat with ALBENDAZOLE!!!!
*a scary he said “al bend you over you azole”

Question 16

nactaor americanus

Answer 16

like nectar, they hook you and and get you!!!
tropical rergions hook us american people in
penetrate skin, go into circulation, coughed up and swallow.d
adults develop in intestines
diagnose by seeing eggs
treat with albendazole

Question 17

how do you treat nematodes?

Answer 17

ALBENDAZOLE

*they’re round, and you tell them that you’ll “BEND” them, asshole

Question 18

trichuris

Answer 18

WHIP WORM. tricked you.
severe infection abdominal pain and distension.
bloody diarrhea and weight loss.
albendazole

Question 19

PIN worms?

Answer 19

enterobius VERMICULARIS
most common in NA
bunch of vermouths
fecal oral spread or egg into mouth from hand, clothes, contaminated toys, etc.
tape around anus! gross!!! have to treat the whole family.
The vermin pinworms entered into small and large intestine

Question 20

what comes from pork?

Answer 20

trichnosis. “bacon” tricks people into a hypnosis.
minimal or no symptoms for most.
intestinal mucosa. larvae in STRIATED msucles.

Question 21

arthropods in disease?

Answer 21

arthoropod IS A TRUE PARASITE!!!!
many vectors like ticks mosquitors flies and lice
some like lice, scabies and mites and maggots are true parasites.
lice, scabbies and mites are parasites! some are just vectors or hosts.