A
2
5
-
year
-
old Peace Corps worker has just returned from service in Ethiopia. sudden onset of asthma
-
like symptoms. She has no previous history of asthn parasites
)
on her stool was part of the normal discharge physical, considering assignment, before being released from the Peace Corps. The sample was

standard laboratory procedures. Two suspicious structures were noted durin preparation. The first of the two structures is noted in form #
1
; it measures
5
0
×
4
0


.
The second structure is depicted in form #
2
and diameter. Which of the structures is
(
are
)
considered a pathogenic parasite
(
s
)
?
Do the presenting symptoms relate to the

& P findings? If so
,
explain. Look at the structure depicted in form #
1
.
What key characteristics allow organism? Name the organism and its stage.