Human Parasite Quiz

Estimated Completion Time
3 min
Human Parasite Quiz
Image: Science Picture Co/Getty Images

About This Quiz

Are you interested in staring up at the ceiling tonight in stone cold terror, convinced that a worm is slowly eating you from the inside? Have we got the quiz for you.
What's the definition of a parasite?
an organism that needs a host to survive
While we might think of parasites as disease or illness-causing, some are quite benign.
an organism that makes you ill
an organism that causes disease

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What's a parasite that you've probably had?
how dare you
flea
Yup, those itchy bites are a great example of a common and pesky parasite.
botfly

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What is NOT a class of parasite found in humans?
protozoa and helminths
bugs
Although some are bugs, it's not a class of parasite.
ectoparasites

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How many cells are protozoa?
ten to thirty
4,000 to 5,000
one
Protozoa are teeny tiny one-celled organisms.

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But just because they're small doesn't mean they don't cause big problems. What is one protozoan parasite?
flatworms
malaria
Malaria is not a mosquito.
roundworms

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Malaria causes:
100,000 deaths a year
400,000 deaths a year
600,000 deaths a year
It is the biggest parasitic killer, globally.

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What are Neglected Tropical Diseases (NTDs)?
parasites that aren't medically curable
diseases that are largely eradicated in wealthier and more developed nations, but still exist in areas of poverty or conflict
These parasitic (and bacterial) diseases cause illness in 1 billion people.
diseases caused by bugs that can't be killed

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What is one NTD?
guinea worm
The guinea worm has been on a steady decline due to safer drinking water and interventions.
tick
scabies

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But let's get into it: what does the guinea worm do?
crawls out of your ear
happily exists in the gut
causes a big blister on the skin, in which the worm emerges from and hatches more eggs
Really, this quiz is not for the faint of heart.

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What bugs spread Chagas disease?
mosquitoes
ticks
kissing bugs
Triatominae, also known as kissing bugs, spread Chagas disease, which causes swelling of the eyelids and can advance to cardiac symptoms.

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The tsetse fly spreads what illness?
giardia
sleeping sickness
Sleep cycles are disrupted when the Trypanosoma brucei parasite is introduced by the tsetse fly.
diarrhea

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Trichomoniasis is an STD that affects how many Americans?
about 200,000
about 3.7 million
The parasite only causes symptoms in 30 percent of the people who have it, however.
about 37 million

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What are helminths?
parasitic worms
Fasten your seatbelts: we're getting into worms.
parasites bigger than one cell, but smaller than 100
a really scary parasite

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Beef tapeworms -- which are found in both cattle and humans -- are generally how long?
up to 6 centimeters
up to 12 inches
up to 10 meters
Ten meters is so many, many meters. Cook your beef thoroughly, folks.

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How long does it take for the tapeworm to mature while inside the human intestine?
2 weeks
2 years
2 months
So the tapeworm becomes an adult within two months, but then it can live for years in your intestine. Gulp.

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Diphyllobothriasis is caused by eating:
raw fish
Only fish from freshwater, mind you.
undercooked pork
feces of beetles

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How long can the tapeworm that causes diphyllobothriasis grow to?
10 feet
30 feet
Horrible. Awful. Bad bad bad.
4 feet

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How can you get rid of the diphyllobothriasis?
medicine you have to take forever
medicine you have to take once
The good thing about tapeworms is that they're generally treatable.
You can't get rid of it.

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What are flukes?
bugs
weird parasites that have no other classification
a type of helminth
These worms are leaf-shaped.

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One famous (or infamous) fluke causes:
swimmer's itch
That's right; that rash you got from the lake is parasitic.
Legionnaires' disease
chicken pox

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If you are hosting the lancet river fluke, you might have ingested:
toad stool
dog
ants
Don't eat ants.

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How many people does the CDC estimate are infected with hookworms?
576-740 million
Hookworm eggs are in the feces of infected people.
200-400 million
100-250 million

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Bad news: Hookworms don't just get a hold of you if ingested. How else can they invade your literal inner peace?
They crawl in through your nose.
They burrow under your nails.
They can make their way inside you via sweat glands or hair follicles.
It just gets worse and worse.

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The human botfly causes:
disease
headache
raised, swollen pustules
And you'll see why in a second. . .

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What exactly does the botfly do to a human host?
The larvae penetrate the skin, and then mature and breathe through a small hole in the swollen skin.
Botfly, you are not welcome here.
infect the brain
give the host tremors

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Any infection with fly larvae (such as the botfly) is called:
myiasis
But horrifying might apply too.
vamipria
horrifying

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What do bedbugs feed on?
blood
There may be a lot of tears involved if you have bedbugs though.
feces
tears

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Do bedbugs spread disease?
probably
yes
no
Unlike mosquitoes or fleas, bedbugs don't spread diseases to their hosts.

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What do bedbugs cause?
rashes and possible stronger allergic reactions
But don't forget the psychological affects of bedbugs -- lack of sleep, and total paranoia about your living conditions.
headache
fever

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Let's end on everyone's favorite: lice. Where can you generally find lice on the head?
the very top of the head, or part
the nape of the neck and behind the ears
Sticking close to the roots, the lice like to lay eggs around the hairline and nape of the neck.
far away from the hair roots

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You Got:
/30
Science Picture Co/Getty Images
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