The Ultimate Parasitology Quiz! Trivia
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- 1.African Sleeping Sickness is transmitted by a bite of the tsetse fly.
- A.
True
- B.
False
- 2.After ingestion, Toxoplasma parasites are released from ______ in the small intestine and penetrate the gut wall.
- 3.After several weeks, pairs of adult flukes move to the vein of the intestines or bladder, remain locked together, copulating for 10 years or more. Eggs released may be excreted via the stool or urine. The life cycle completed when eggs are released in freshwater.
- A.
True
- B.
False
- 4.Bloodstream Protozoa infections typically cause anemia by destroying red blood cells.
- A.
True
- B.
False
- 5.Diagnosis of a parasitic infection is based on
- A.
The toxins they release
- B.
Their cellular components
- C.
Identifying the parasites themselves or their progeny
- 6.Extracellular protozoa are usually spread by a vector.
- A.
True
- B.
False
- 7.Flukes are tissue helminths that are not
- A.
Penetrate skin
- B.
Emerge from snails that swim in water
- C.
Mature outside of the venous system
- D.
Lose their tails and change into a form that can enter the bloodstream after they burrow in the skin
- 8.Heminths are...
- A.
Worms
- B.
Typically intracellular
- C.
Transmitted by oral ingestion, penetration of broken skin, or arthropod bite
- D.
Many live in GI tract but can infect internal organs
- E.
Usually are able to complete lifec yle within a single host
- F.
Disease is directly related to the number of parasites acquired
- 9.How is toxoplasma acquired? 1) eating undercooked meat 2) food with contaminated cat feces 3) coming in contact with infected water
- A.
1
- B.
1,2
- C.
1,2,3
- D.
1,2,3,4
- 10.Humans become infected with tapeworms when they eat beef with the eggs that have hatched in the intestines, and vice versa.
- A.
True
- B.
False
- 11.In red blood cells, malaria divide and mature. Then they burst to release more parasites to infect new red blood cells. Some of the parasites in the bloodstream are able to reproduce sexually which are then
- A.
Taken up by biting mosquitos
- B.
Spread throughout the body and into the lungs
- C.
No longer need to reproduce in red blood cells
- 12.In the mosquito, Malaria goes to the salivary glands as __________ during the infectious stage and then enter the liver cells of the host.
- A.
Sporozoites
- B.
Plasmodium
- C.
Spores
- D.
Merozoites
- 13.Intestinal Helminths are acquired by
- A.
Ingestion of eggs
- B.
Direct penetration of larvae through skin
- C.
Both
- D.
Neither
- 14.Intestinal Helminths are often asymptomatic unless the worm burden is very large.
- A.
True
- B.
False
- 15.Intestinal helminths are the ____________ (size) parasites that infect humans.
- 16.Intestinal Helminths can cause malnutrition of the host.
- A.
True
- B.
False
- 17.Intestinal helminths reproduce asexually.
- A.
True
- B.
False
- 18.Intracellular protozoa are usually spread by the fecal oral route.
- A.
True
- B.
False
- 19.Malaria parasite gametocytes in the mosquito...
- A.
Die
- B.
Have sex and then go to salivary gland
- C.
Reproduce in the gut and with parasite eliminated as feces
- 20.Most protozoa have extracellular stages during the lifecycle. Most protozoa have extracellular stages during the lifecycle.
- A.
True
- B.
False
- 21.Most tapeworm infections are asymptomatic, however, they can lead to vitamin deficiency and anemia and can cause severe CNS manifestations.
- A.
True
- B.
False
- 22.Parasite infection is short, and only occurs once.
- A.
True
- B.
False
- 23.Parasites are constrained by their
- A.
Geography
- B.
Reservoir
- C.
Vector
- 24.Parasites require only one type of host to complete lifecycle.
- A.
True
- B.
False
- 25.Plasmodium cause which disease?
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