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Choose which of the following statements about parasitology is not correct?

Answer A) Parasitism is an ecological relationship between two different organisms, one designated the parasite, the other the host.
Answer B) The parasite is always physiologically or metabolically dependent upon its host.
Answer C) Heavily infected hosts can be killed by their parasites.
Answer D) The reproductive potential of parasites can exceed that of their hosts.
Answer E) Sexual reproduction always takes place in the vertebrate host.

Approximately what percentage of known animal species are parasites?

Answer A) 10%
Answer B) 25%
Answer C) 50%
Answer D) 75%
Answer E) 90%

Match the following parasite definitions:
1. Ectoparasite
2. Endoparasite
3. Mesoparasite
4. Definitive host
5. Intermediate host
6. Paratenic host
7. Vector

 

A. Required by some parasites to complete their life cycles; usually undergoes morphological or physiological change in it.
B. Where parasite reaches sexual maturity.
C. Host that plays an active role in transmission, can be a definitive or an intermediate host.
D. Live inside host.
E. Penetrates external openings - buccal cavity, cloaca, external ear.
F. Transport host.
G. Lives on surface.

Answer A) 1-D, 2-G, 3-E, 4-F, 5-A, 6-C, 7-B
Answer B) 1-C, 2-G, 3-F, 4-A, 5-E, 6-B, 7-D
Answer C) 1-G, 2-D, 3-E, 4-B, 5-A, 6-F, 7-C
Answer D) 1-G, 2-F, 3-B, 4-A, 5-C, 6-E, 7-D

Which of the following statements is correct?

Frederich Kuchenmeister…

A.    Infected himself with the hookworm, Necator americanus, as part of a study to investigate whether infection with hookworms could ease the symptoms of Crohn’s Disease

B.    Fed “bladder worms” (cysts) in pork to prisoners who were about to be executed to prove that they (the cysts) would grow into full length tapeworms

C.    After a disagreeable meal of warm smoked beef and ham, examined his own loose stools under an early microscope and discovered the parasite, Giardia


Answer A) A
Answer B) B
Answer C) C

Elephantiasis is a tropical disease, also known as lymphatic filariasis, caused by the parasitic worms Wuchereria bancrofti, Brugia malayi, or Brugia timori.

Match the following achievements relating to the parasite Wuchereria bancrofti (Bancroftian Filariasis) by pioneering parasitology researchers

Pioneer
1.    Joseph Bancroft
2.    Jean-Nicholas Demarquay
3.    Patrick Manson

Achievement
A.    Worked out life cycle
B.    Described the adult
C.    First to see microfilaria

Answer A) 1-C, 2B, C-A
Answer B) 1-B, 2-C, 3-A
Answer C) 1-A, 2-B, 3-C
Answer D) 1-A, 2-C, 3-B

Malaria is caused by a parasite called Plasmodium, which is transmitted via the bites of infected mosquitoes.

Match the following achievements by pioneering malaria researchers

Pioneer
1.    Ronald Ross
2.    Alphonse Laveran
3.    Wojciech Krotoski

Achievement
A.    First to see blood forms
B.    Discovered the dormant liver stages
C.    Discovered oocysts in mosquitoes

Answer A) 1-C, 2-A, 3-B
Answer B) 1-A, 2-C, 3-B
Answer C) 1-B, 2-A, 3-C
Answer D) 1-C, 2-B, 3-A

The famous American-born Greek soprano, Maria Callas, suffered from what parasite?

A) Headlice, as a youngster born into poverty and neglect.
B) Plasmodium falciparum, acquired during her extensive international travel.
C) Tapeworm, from her fondness for eating undercooked meat.
D) Leishmania, which eventually claimed her life.

Answer A) A
Answer B) B
Answer C) C
Answer D) D

Match the following causes of death with the correct percentage of deaths

Disease
1.    Cancer
2.    Diabetes
3.    Parasitic and Infectious Disease


Percentage of Deaths
A.    15%
B.    12%
C.    2%


Answer A) 1-B, 2-C, 3-A
Answer B) 1-C, 2-A, 3-B
Answer C) 1-A, 2-B, 3-C
Answer D) 1-B, 2-A, 3-C

Which of the following statements is correct?

Vandellia cirrhosa is…

A.    A parasitic barnacle, the female larvae of which dance through the water, sense and land on the arms of crabs, jab a long hollow dagger through the gaps in the joints, injecting a blob of cells that become slug-like and sprout root-like, fleshy fingers that suck nutrients from the crab’s blood

B.    A flatworm that infects snails, pushing its way into the eye tentacles and transforming their appearance so that they look like green and brown striped caterpillars that passing birds cannot resist eating (no self respecting bird would touch a snail!), ending up with a belly full of parasites

C.    A parasitic fish - found in the Amazon – that is attracted by urea or ammonia and, so, has been known to swim into the penis of men urinating in the river, latching on using sharp spines and causing more than a little pain


Answer A) A
Answer B) B
Answer C) C

Approximately, how many people are infected with Toxoplasma worldwide?

Answer A) 0.2 million
Answer B) 2 million
Answer C) 20 million
Answer D) 200 million
Answer E) 2000 million

Eating slugs (Limax maximus) can bring about what?

Answer A) Acute nausea
Answer B) Meningitis
Answer C) Terminal wasting

Historical records have established that Genghis Khan, Oliver Cromwell, George Washington, Ho Chi Minh and John F. Kennedy all suffered from….


Answer A) Giardia
Answer B) Hookworm
Answer C) Liver fluke
Answer D) Malaria

Sally Mae Wallace, of Great Grits, Mississippi, reputedly holds the honour for hosting the world’s longest human tapeworm. The record was established on Sep 5, 1991 and the tapeworm length was:

Answer A) 27 metres
Answer B) 11 metres
Answer C) 4 metres

If you see a worm wriggling on your sushi it is most likely to be…

A) Anisakis
B) Schistosoma
C) Taenia
D) Trichuris

Answer A) A
Answer B) B
Answer C) C
Answer D) D

The largest nematode recorded is Placentonema gigantisma from the placenta of the sperm whale. Its length is:

Answer A) 8cm
Answer B) 80cm
Answer C) 8m
Answer D) 80m