The Randos

Question 1

Important things about the structure of Acanthocephala

Answer 1

Has a probiscus
Non-segmetned body
has a body cavity
no GI tract
separate sexes

Question 2

known as the giant thorny head worm. why?

Answer 2

Macracanthorhynchus hirudinaceus

protrusible probiscus armed w/ hooks

Question 3

LC Macracanthorhynchus hirudinaceus

Answer 3

adults attached to SI mucosa.. eggs w/ acanthor larva passed in feces

june/dung beetles ingest eggs
ancanthor hatces, develops, ensyts in body as cystacanth

DH PIg ingests grubs/beetle

Question 4

Special features of Macracanthorhynchus eggs?

Answer 4

kinda look like a scary vagina;

pitted shell w/ 4 layers

Question 5

Any important clinical signs?

Answer 5

NO

Question 6

Diagnosis and treatmetnt Macracanthorhynchus

Answer 6

sedimentation, adults in jejunum at necropsy
Tx- nothing labeled
ivermectin/doramectin

Question 7

Prevention/control of Macrcanthohyncus

Answer 7

sanitation
plow feilds
plow pasture
confinement rearing

Question 8

Public health significance of Macracanthohynchus

Answer 8

prevalent in CHina/thailand acute abdominal pain/intestinall perforation

Question 9

Prevention of Macracanthohynchus

Answer 9

dont eat raw beetles you weirdo

Question 10

What is Macracanthorhynchus ingens?

Answer 10

NH raccons, wild canids, bears

occasionally dogs

Question 11

Cool things about Pentastomida

Answer 11

“tongue worms” loon more like worms than arthropods

complex GI system
adults live in respiratory passages of predacious birds/reptiles

Question 12

Linguata serrata

Answer 12

DH carnivores,
IH herbivores
SW US
rare in upper MW

Question 13

Anything important about the eggs of Linguata serrate?

Answer 13

COntain fully developed larva when laid

shed in nasal secretions

larva have 2-3 claws when they hatch

Question 14

What are Nymphs?

Answer 14

miniature adult Linguata serrata w/o reproductive organs

Question 15

LC Linguata serrata

Answer 15

Adults in nasal passage attache w/ retractable hooks, pdx eggs that are sneezed oiut

IH ingest eggs

larva hatch, penetrate gut wall, develop into Nymphs, molt and encyst

DH eats IH host, excysted nymphs in gut migrate up esophagus to nasal passages

mature to adults

Question 16

Clinical symptoms og Linguata serrata:

Answer 16

only w/ heavy infection
parasites act as foregin body in nasal passages

irritation causes catarrhal inflammation and rhinitis w/ mucopurulent

Question 17

Diagnosis/tx Linguata serrata:

Answer 17

DIganosis
visual exam of nasal passages
detection og eggs
nasal exudate
might find in feces- floatation

Tx
physical removal of parasite

Question 18

Gordian/horse hair worms known are in what phylum?

Answer 18

Nematophora

Question 19

Nematophora LC

Answer 19

larvae parasitic in insects

adutls free living in fresh water, mate lay eggs, in water/moist soil

hatched larvae penetrate insect and mature

emrge when isect in contact w/ H2O

showed video of grasshoper

Question 20

T/F Horsehair worms will rock oyur world if your infected with them

Answer 20

ITS CALLED THE HORSE HAIR WORM… give me break NO

Question 21

T/F horsehoar worms are often mistaken for Mermithids- a helminth that is extremely pathogenic to mermaids

Answer 21

The first part is true… the seocnd part depends if you believe or not