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1. By: Abbas Naseem (BDS)
abbas_naseem@yahoo.com

2. A. Identify the parasite and write it‟s name.
B. Name the stage of parasite ingested by a suitable
freshwater crustacean (the copepod).
C. Name the infective stage of parasite to humans.
D. What is the major complication of this parasite?
abbas_naseem@yahoo.com
By: Abbas Naseem (BDS)
2

3. Carefully see the life cycle given in the photograph and answer the
following.
A. Name the parasite.
B. Name two intermediate hosts for this parasite.
C. How the definitive host becomes infected?
D. What lesion/disease is caused by this parasite in humans?
abbas_naseem@yahoo.com
By: Abbas Naseem (BDS)
3

4. Carefully see the life cycle given in the
photograph and answer the following.
A. Name the parasite.
B. How humans become infected
with this parasite?
abbas_naseem@yahoo.com
By: Abbas Naseem (BDS)
C. Where adult worm lives in
humans?
D. In which parts of Pakistan, this
parasitic infection is common?
4

5. Carefully see the life cycles
given in the photograph and
answer the following.
A. Name the parasites.
B. For which parasite, pig is
abbas_naseem@yahoo.com
By: Abbas Naseem (BDS)
an intermediate host?
C. Name the infective stage
for humans.
D. What is the length of
parasite whose intermediate
host is cattle?
5

6. Identify the parasite and
writes its name.
Name the infective stage
of the parasite.
What will be two
abbas_naseem@yahoo.com
By: Abbas Naseem (BDS)
important findings in
Blood complete picture?
6

7. Identify the life cycle and
write the name of parasite.
How the humans are
infected with this parasite?
abbas_naseem@yahoo.com
By: Abbas Naseem (BDS)
How this parasitic
infestation can be
diagnosed in humans?
Who is the primary host of
this parasite?
7

8. Identify the above ovum and
name the parasite.
Where the gravid female lays
eggs?
What is the infective stage of
abbas_naseem@yahoo.com
By: Abbas Naseem (BDS)
parasite?
Name the method used to collect
the specimen for microscopic
detection of ova.
8

9. Identify the above ovum and
name the parasite.
Where the adult worm is found
in humans?
What is the infective stage of
abbas_naseem@yahoo.com
By: Abbas Naseem (BDS)
parasite?
What is the other name given to
this parasite?
9

10. Identify the above cyst and
name the parasite.
Where the cysts are formed?
What is the infective stage of
abbas_naseem@yahoo.com
By: Abbas Naseem (BDS)
parasite?
What is the diagnostic finding
in acute infection with this
parasite?
10

11. Examine the egg of an intestinal nematode focused in the slide
on the microscope and write answers of the following.
Write the name of the parasite having this type of ovum.
Name two important complications of this parasite in human.
abbas_naseem@yahoo.com
By: Abbas Naseem (BDS)
How this ovum is different from ovum of Hook worm?
11

12.  Examine the cyst of an intestinal protozoa focused in the
slide on the microscope and write answers of the following.
 Write the name of the parasite having this type of cyst.
 Name two important extraintestinal lesions of this parasite in
human.
abbas_naseem@yahoo.com
By: Abbas Naseem (BDS)
 How this cyst is different from cyst of E. coli?
12

13. STATION 1
 Identify the worm
 Give 2 points of
identification.
 How is it transmitted
to humans.
a. Ascaris Lumbricoides
b. Rounded & tapered at both ends
c. Swallowing embryonated eggs

14. STATION 2
 Patient presented with
fever and chills. His
Blood smear shows
the parasite seen in
the picture.
 Give your diagnosis.
 Identify the various
forms seen in the
blood smear.
a. Malaria
b. Ring form

15. STATION 3
 Patient presents with
abdominal pain, diarrhea and
vomiting. Worm is recovered
from the stool.
 Identify it,
 what is the mode of
transmission.
 Enlist various complications
of this worm
a. Trichuris Trichiura
b. Faeco-oral
c. Appendicitis, Abdominal
discomfort

16. STATION 4
 25 years old married
female presents with
foul smelling vaginal
discharge. Her vaginal
discharge reveals a
parasite seen in the
picture.
 Identify it,
 give points of
identification.
 Does her partner needs
a.Trichomonas vaginaliswell?
treatment as
b. trophozoites, 4 free flagella,
5th one passes backwards
c. yes

17. STATION 5
 Worm is recovered from
a farmers stool. Scolix
of the worm is without
hooklets.
 Name the worm,
 identify the hosts for
this worm and
 give the common
name of egg of this
worm
a. Taenia Saginata
b. Cattle(beef)
c. Hexacanth embryo

18. STATION 6
 Rice farmer comes to
you with a lesion on his
feet shown in the
picture. He is anemic
with a low MCV and ova
are recovered from his
stool.
 What is the lesion,
 identify the worm and
 give 2 other lesions
caused by this parasite
a. Ancyclostomiasis
b. Ancyclostoma Duodenale
c. Ground itch, Eosinophilia, Anemia

19. STATION 7
 A balouchi girl presents
with anemia and her
spleen is enlarged 4
fingers below costal
margin. She has
ulcerative nodules over
her skin and her bone
marrow reveals as
shown in picture.
 Identify the parasite and
 what form is seen in the
photograph.
 Where is the parasite
a.found.
Leishmania
Donovani
b. Amastigote
c. In Sandfly

20. STATION 8
 Name the worm and
 give 2 points of
identification of the ova
seen.
 What is the ideal
method of recovering
the eggs of this worm
 Give 2 important
complications.
a. Pinworm(entrobeus vermicularis)
b. colorless, transparent shell
c. Scotch tape test
d.Pruritus, intestinal haemorrhage

21. STATION 10
 Patient presented with
macrocytic anemia
and the ovum seen is
recovered from stool.
 Identify the worm,
 what are the
morphological
characteristics of the
ovum
 and name the hosts of
the parasite.
a. Diphylobothum latrum( fish tapeworm)
b. Operculated ova
c. Copepods & Fish

22. STATION 11
 Name the parasite.
 Give morphological
characteristics of the
ovum seen.
 Name 2 important
complications.
a. Ascaris lumbricoides
b. Mammilated/embryonated eggs
c. Ascaris pneumonia, cough,
dyspnea

23. STATION 12
 A cyst seen in the
picture is excised from a
cattle farmer.
 Identify the parasite,
 name the larval form
 and what is the mode
of transmission.
a. Echinococcus Granulosus (dog tapeworm)
b. Hydatid Cyst
c. Uncooked contaminated vegetables

24. STATION 13
 25 years old present
with dysentry and a
parasite is recovered
from his stools.
 Identify the parasite
seen in the picture,
 give the findings seen,
 mode of transmission
 and 1 important
complication.
a. ENTAMOEBA HISTOLYTICA
b. Trophozoite form
c. Faeco-oral route
d. Chronic intestinal amoebiasis
Amoebic liver abscess

25. STATION 14
 6 year old presents
with pneumonia and is
anemic. His stool
reveals the ovum
seen in the picture.
 Identify the worm.
 Is this parasaite can
be a cause of
pneumoia.
 Name 2 other other
lesions caused by this
worm.
a. Ancylostoma Duodenale
b. Yes
c. Ground itch, anemia, eosinophilia

26. STATION 15
 Identify the parasite,
give mode of
transmission and how
will you investigate the
a. case to reach a
Giardia lamblia
b. Faeco-oral route
diagnosis.
c. (Fat malabsorption, Bloating and
indigestion, Watery/fatty Diarrhea,
Chronic enteritis, Anemia.)
Stool Examination:
Cysts.
Trophozoites rarely.
Other Tests;
Elisa: Detect Giardia cyst wall antigen
String Test.

27. STATION 16
 Name the worm
 Give morphological
characteristic of the
ovum seen.
 What is the route of
transmission.
 Give 2 important
complications.
a. TRICHURIS TRICHIURA
(whip worm)
b. Mucus plugs at both ends
c. Ingestion of eggs
d. Rectal prolapse, Diarrhoea,
Acute appendicitis

28. STATION 17
 25 year old present with
fever, chills, headache
and confusion. His blood
smear is shown in the
picture. Give your
diagnosis.
 What form of the parasite
is seen in the picture.
 Name the renal
complication associated
a. Malaria
b. with this parasite.
Ring form
c. Acute tubular necrosis

29. Station 18
 Patient presented with
anaemia and
splenomegaly. Bone
marrow reveals a
parasite seen in the pic,
give your diagnosis,
 identify the form,
 what is mode of spread
and
 which cells are the main
target.
a. Leishmenia
b. Bite of sand fly
c. reticulo-endothelial cells
(macrophages)

30. STATION 19
 Identify the parasite.
 What are the findings
you see in the picture.
 Give findings present
on the scolix of this
worm.
 Name a lethal
complication of the
parasite.
a. Taenia Solium
b. Central stem with 5 to 10
lateral branches on each side.
c. 4 suckers
d. Cysticercus cellulosae (present
as space occupying lesion.)

31. Entamoeba histolytica
Cyst form: 4 nulcei
Trophozoite form
Bull eye shape nucleus
Contain ingested RBCs
By: Abbas Naseem (BDS)
31 abbas_jani@hotmail.com

32. By: Abbas Naseem (BDS)
32 abbas_jani@hotmail.com

33. Diphylobothrum latum – fish tapeworm – oval –
operculum at one end
By: Abbas Naseem (BDS)
33 abbas_jani@hotmail.com

34. Entrobius vermicularis ( pinworm ) –
typical D shaped , Transparent, Colorless
By: Abbas Naseem (BDS)
34 abbas_jani@hotmail.com

35. Plasmodium Falciparum
Classical malarial parasite; ring form
By: Abbas Naseem (BDS)
35 abbas_jani@hotmail.com

36. Ascaris lumbricoides ( giant round worm – brown with mamellations n wavy m
UNSEGMENTED OVUM
By: Abbas Naseem (BDS)
36 abbas_jani@hotmail.com

37. Trichuris trichura – whipworm –
barrel shaped – brown – mucus plugs at both ends –
segmented ovum !
By: Abbas Naseem (BDS)
37 abbas_jani@hotmail.com

38. Hook worm ( ankylostoma duodenale ) – transparent egg shell – oval –
blastomere !
Segmented Ovum
By: Abbas Naseem (BDS)
38 abbas_jani@hotmail.com

39. THANK YOU
For Reporting Errors
(Feedback)
Comments & Suggestions
abbas_naseem@yahoo.com
Abbas Naseem(BDS)
Dated: Nov, 8 2010