This specimen was recently recovered from the faeces of a four
year old male child with a six month history history of
abdominal discomfort and sleep disturbances.
1) Identify the parasite (genus and species)
(2 marks)
2) What is the infective stage for this parasite ?
(1 mark)
3) What animal reservoirs have been confirmed to harbour this
parasite ?
(1 mark)
4) Where would one normally expect to find this stage of the
parasite in an infected individual ?
(1 mark)
This tissue section is of a nodule removed from the lung of a
65 year old woman who died as a result of complications
arising from lung cancer. The subject led an active life and
travelled extensively throughout Indonesia and other parts of
Southeast Asia.
1) Identify the parasite (genus and species)
(2 marks)
2) What stage of the parasite is presented here ?
(1 mark)
3) Suggest how she may have contracted the infection
(1 mark)
4) What is the infective stage for this parasite ?
(1 mark)
This specimen was surgically removed from a 45 year old man
after he complained of an inflamed and painful lump on the
surface of his ribs. The subject hails from far north
Queensland and has the reputation around his town of being a
"a bit of a bushie", meaning he lives off the land in the
forests. He also hunts wild pigs for food and sport.
1) What is the name given to the infection from which he
suffers ?
(1 mark)
2) Name two parasites which may cause this affliction (genus
only)
(2 marks)
3) Give two means by which he may have contracted the
infection
(2 marks)
This specimen was removed from the scalp of a 5 year old girl,
who complained of persistent itching in that area. Her mother
reported using a commercial head louse cure once (pyrethrin
based) which temporarily eased the symptoms, but has not used
the treatment since then as it stung her daughter's scalp.
1) Identify the specimen provided (genus and species)
(2 marks)
2) Is this a human parasite ?
(1 mark)
3) Is this specimen likely to have come from an animal
source?
(1 mark)
4) Suggest why the treatment the mother used failed to
permanently clear up the infection
(1 mark)