Free Printable Exam 4

1.

Naegleria fowleri

a)

come from cysts in feces (fecal-oral transmission) – causes dysentery (bloody
mucoid stools, fever, pain) and even liver abscess

b)

only ciliate that is pathogenic to humans – in tropical areas in the pigs’ intestines –
passes to humans via contaminated food/water – causes diarrhea

c)

causes trichomoniasis – painful vaginal
infection with frothy yellow-green discharge and a bad odor. 2.1% of
U.S. women are infected

d)

found in freshwater ponds, causes rare cases of encephalitis when forced up the
nose

e)

most common intestinal protozoan parasite in U.S. –
causes diarrhea that lasts more than a week! – found in contaminated
streams – resistant to even chlorine, so it must be filtered. Signature
appearance

2.

Entamoeba histolytic

a)

come from cysts in feces (fecal-oral transmission) – causes dysentery (bloody
mucoid stools, fever, pain) and even liver abscess

b)

only ciliate that is pathogenic to humans – in tropical areas in the pigs’ intestines –
passes to humans via contaminated food/water – causes diarrhea

c)

causes trichomoniasis – painful vaginal
infection with frothy yellow-green discharge and a bad odor. 2.1% of
U.S. women are infected

d)

found in freshwater ponds, causes rare cases of encephalitis when forced up the
nose

e)

most common intestinal protozoan parasite in U.S. –
causes diarrhea that lasts more than a week! – found in contaminated
streams – resistant to even chlorine, so it must be filtered. Signature
appearance

3.

Balantidium coli

a)

come from cysts in feces (fecal-oral transmission) – causes dysentery (bloody
mucoid stools, fever, pain) and even liver abscess

b)

only ciliate that is pathogenic to humans – in tropical areas in the pigs’ intestines –
passes to humans via contaminated food/water – causes diarrhea

c)

causes trichomoniasis – painful vaginal
infection with frothy yellow-green discharge and a bad odor. 2.1% of
U.S. women are infected

d)

found in freshwater ponds, causes rare cases of encephalitis when forced up the
nose

e)

most common intestinal protozoan parasite in U.S. –
causes diarrhea that lasts more than a week! – found in contaminated
streams – resistant to even chlorine, so it must be filtered. Signature
appearance

4.

Giardia lamblia

a)

come from cysts in feces (fecal-oral transmission) – causes dysentery (bloody
mucoid stools, fever, pain) and even liver abscess

b)

only ciliate that is pathogenic to humans – in tropical areas in the pigs’ intestines –
passes to humans via contaminated food/water – causes diarrhea

c)

causes trichomoniasis – painful vaginal
infection with frothy yellow-green discharge and a bad odor. 2.1% of
U.S. women are infected

d)

found in freshwater ponds, causes rare cases of encephalitis when forced up the
nose

e)

most common intestinal protozoan parasite in U.S. –
causes diarrhea that lasts more than a week! – found in contaminated
streams – resistant to even chlorine, so it must be filtered. Signature
appearance

5.

Trichomonas vaginalis

a)

come from cysts in feces (fecal-oral transmission) – causes dysentery (bloody
mucoid stools, fever, pain) and even liver abscess

b)

only ciliate that is pathogenic to humans – in tropical areas in the pigs’ intestines –
passes to humans via contaminated food/water – causes diarrhea

c)

causes trichomoniasis – painful vaginal
infection with frothy yellow-green discharge and a bad odor. 2.1% of
U.S. women are infected

d)

found in freshwater ponds, causes rare cases of encephalitis when forced up the
nose

e)

most common intestinal protozoan parasite in U.S. –
causes diarrhea that lasts more than a week! – found in contaminated
streams – resistant to even chlorine, so it must be filtered. Signature
appearance

6.

Trypanosoma brucei

a)

causes “Chagas’ disease”. Mostly occur in Rural Latin America, spread by the
Kissing bug (reduviid bug). Insect bites and defecates on skin; scratching allows the microbe to enter
the body. Spreads to organs, if not treated can be fatal

b)

cause malaria = transmitted by mosquito (Anopheles). Enters blood, goes to liver,
multiples, gets into blood, infects RBCs, multiples inside them, lyses, releases more parasites. This
causes anemia and enlarged spleen due to destroyed RBCs. Clogs from damages cells halt blood supply
to vital organs.
Giardia lamblia

c)

Eating rare meat that contains cysts, or cat feces contaminating food. Usually only
an issue for immunosuppressed patients or pregnant women handling cat litter (it can kill an embryo).

d)

causes skin lesions, transmitted by Sand Flies (Phlebotomus)

e)

causes African sleeping sickness, a form a
encephalitis – spread by tsetse fly bite

7.

Trypanosoma cruzi

a)

causes “Chagas’ disease”. Mostly occur in Rural Latin America, spread by the
Kissing bug (reduviid bug). Insect bites and defecates on skin; scratching allows the microbe to enter
the body. Spreads to organs, if not treated can be fatal

b)

cause malaria = transmitted by mosquito (Anopheles). Enters blood, goes to liver,
multiples, gets into blood, infects RBCs, multiples inside them, lyses, releases more parasites. This
causes anemia and enlarged spleen due to destroyed RBCs. Clogs from damages cells halt blood supply
to vital organs.
Giardia lamblia

c)

Eating rare meat that contains cysts, or cat feces contaminating food. Usually only
an issue for immunosuppressed patients or pregnant women handling cat litter (it can kill an embryo).

d)

causes skin lesions, transmitted by Sand Flies (Phlebotomus)

e)

causes African sleeping sickness, a form a
encephalitis – spread by tsetse fly bite

8.

Leishmania donovani

a)

causes “Chagas’ disease”. Mostly occur in Rural Latin America, spread by the
Kissing bug (reduviid bug). Insect bites and defecates on skin; scratching allows the microbe to enter
the body. Spreads to organs, if not treated can be fatal

b)

cause malaria = transmitted by mosquito (Anopheles). Enters blood, goes to liver,
multiples, gets into blood, infects RBCs, multiples inside them, lyses, releases more parasites. This
causes anemia and enlarged spleen due to destroyed RBCs. Clogs from damages cells halt blood supply
to vital organs.
Giardia lamblia

c)

Eating rare meat that contains cysts, or cat feces contaminating food. Usually only
an issue for immunosuppressed patients or pregnant women handling cat litter (it can kill an embryo).

d)

causes skin lesions, transmitted by Sand Flies (Phlebotomus)

e)

causes African sleeping sickness, a form a
encephalitis – spread by tsetse fly bite

9.

Plasmodium

a)

causes “Chagas’ disease”. Mostly occur in Rural Latin America, spread by the
Kissing bug (reduviid bug). Insect bites and defecates on skin; scratching allows the microbe to enter
the body. Spreads to organs, if not treated can be fatal

b)

cause malaria = transmitted by mosquito (Anopheles). Enters blood, goes to liver,
multiples, gets into blood, infects RBCs, multiples inside them, lyses, releases more parasites. This
causes anemia and enlarged spleen due to destroyed RBCs. Clogs from damages cells halt blood supply
to vital organs.
Giardia lamblia

c)

Eating rare meat that contains cysts, or cat feces contaminating food. Usually only
an issue for immunosuppressed patients or pregnant women handling cat litter (it can kill an embryo).

d)

causes skin lesions, transmitted by Sand Flies (Phlebotomus)

e)

causes African sleeping sickness, a form a
encephalitis – spread by tsetse fly bite

10.

Toxoplasma gondii

a)

causes “Chagas’ disease”. Mostly occur in Rural Latin America, spread by the
Kissing bug (reduviid bug). Insect bites and defecates on skin; scratching allows the microbe to enter
the body. Spreads to organs, if not treated can be fatal

b)

cause malaria = transmitted by mosquito (Anopheles). Enters blood, goes to liver,
multiples, gets into blood, infects RBCs, multiples inside them, lyses, releases more parasites. This
causes anemia and enlarged spleen due to destroyed RBCs. Clogs from damages cells halt blood supply
to vital organs.
Giardia lamblia

c)

Eating rare meat that contains cysts, or cat feces contaminating food. Usually only
an issue for immunosuppressed patients or pregnant women handling cat litter (it can kill an embryo).

d)

causes skin lesions, transmitted by Sand Flies (Phlebotomus)

e)

causes African sleeping sickness, a form a
encephalitis – spread by tsetse fly bite

11.

Cryptosporidium

a)

causes “Chagas’ disease”. Mostly occur in Rural Latin America, spread by the
Kissing bug (reduviid bug). Insect bites and defecates on skin; scratching allows the microbe to enter
the body. Spreads to organs, if not treated can be fatal

b)

causes watery diarrhea. Found in water contaminated with feces. Self-limiting
(resolves on its own without medical treatment) unless in an immunosuppressed patient

c)

Eating rare meat that contains cysts, or cat feces contaminating food. Usually only
an issue for immunosuppressed patients or pregnant women handling cat litter (it can kill an embryo).

d)

causes skin lesions, transmitted by Sand Flies (Phlebotomus)

e)

causes African sleeping sickness, a form a
encephalitis – spread by tsetse fly bite

12.

Mite

a)

Elephantitis (or lymphatic filariasis) – infects/blocks lymphatic system and
causes extreme lymphedema whose damage is mostly irreversible.

b)

worms in cysts within muscles of infected organisms, spread by eating infected
meat. Digestion breaks cysts down and releases the larvae into the small intestines to mature

c)

causes Scabies – burrows under skin, creates slightly elevated serpentine lines, intense itching
(common in nursing homes)

d)

head, body, and pubic lice (infections are called Pediculosis) – intense itching

e)

Eggs are transmitted via feces of infected individuals. Larvae hatch in intestine
after they are consumed, enter bloodstream, and migrate to lungs where they are coughed up and re-
swallowed, causing the ongoing infection.

13.

Lice

a)

Elephantitis (or lymphatic filariasis) – infects/blocks lymphatic system and
causes extreme lymphedema whose damage is mostly irreversible.

b)

worms in cysts within muscles of infected organisms, spread by eating infected
meat. Digestion breaks cysts down and releases the larvae into the small intestines to mature

c)

causes Scabies – burrows under skin, creates slightly elevated serpentine lines, intense itching
(common in nursing homes)

d)

head, body, and pubic lice (infections are called Pediculosis) – intense itching

e)

Eggs are transmitted via feces of infected individuals. Larvae hatch in intestine
after they are consumed, enter bloodstream, and migrate to lungs where they are coughed up and re-
swallowed, causing the ongoing infection.

14.

Wuchereria bancrofti

a)

Elephantitis (or lymphatic filariasis) – infects/blocks lymphatic system and
causes extreme lymphedema whose damage is mostly irreversible.

b)

worms in cysts within muscles of infected organisms, spread by eating infected
meat. Digestion breaks cysts down and releases the larvae into the small intestines to mature

c)

causes Scabies – burrows under skin, creates slightly elevated serpentine lines, intense itching
(common in nursing homes)

d)

head, body, and pubic lice (infections are called Pediculosis) – intense itching

e)

Eggs are transmitted via feces of infected individuals. Larvae hatch in intestine
after they are consumed, enter bloodstream, and migrate to lungs where they are coughed up and re-
swallowed, causing the ongoing infection.

15.

Trichinella spiralis

a)

Elephantitis (or lymphatic filariasis) – infects/blocks lymphatic system and
causes extreme lymphedema whose damage is mostly irreversible.

b)

worms in cysts within muscles of infected organisms, spread by eating infected
meat. Digestion breaks cysts down and releases the larvae into the small intestines to mature

c)

causes Scabies – burrows under skin, creates slightly elevated serpentine lines, intense itching
(common in nursing homes)

d)

head, body, and pubic lice (infections are called Pediculosis) – intense itching

e)

Eggs are transmitted via feces of infected individuals. Larvae hatch in intestine
after they are consumed, enter bloodstream, and migrate to lungs where they are coughed up and re-
swallowed, causing the ongoing infection.

16.

Ascaris lumbricoides

a)

Elephantitis (or lymphatic filariasis) – infects/blocks lymphatic system and
causes extreme lymphedema whose damage is mostly irreversible.

b)

worms in cysts within muscles of infected organisms, spread by eating infected
meat. Digestion breaks cysts down and releases the larvae into the small intestines to mature

c)

causes Scabies – burrows under skin, creates slightly elevated serpentine lines, intense itching
(common in nursing homes)

d)

head, body, and pubic lice (infections are called Pediculosis) – intense itching

e)

Eggs are transmitted via feces of infected individuals. Larvae hatch in intestine
after they are consumed, enter bloodstream, and migrate to lungs where they are coughed up and re-
swallowed, causing the ongoing infection.

17.

Necator americanus

a)

beef tapeworm

b)

the hookworm. Burrows into the skin, causes the “ground itch” rash

c)

blood flukes, a flatworm (Platyhelminthes) Snails are the primary host. Larvae
penetrate skin of a human when they come in contact with contaminated water. Adult worms love the
intestines, blood, and the bladder

d)

swimmer’s itch spread in lakes of the Northern U.S. (only a cutaneous allergic reaction)

e)

tapeworm that is found in pike, trout, perch, and salmon. Infected through
consumption of raw fish (sushi or sashimi)

18.

Diphyllobothrium latum

a)

beef tapeworm

b)

the hookworm. Burrows into the skin, causes the “ground itch” rash

c)

blood flukes, a flatworm (Platyhelminthes) Snails are the primary host. Larvae
penetrate skin of a human when they come in contact with contaminated water. Adult worms love the
intestines, blood, and the bladder

d)

swimmer’s itch spread in lakes of the Northern U.S. (only a cutaneous allergic reaction)

e)

tapeworm that is found in pike, trout, perch, and salmon. Infected through
consumption of raw fish (sushi or sashimi)

19.

Taenia saginata

a)

beef tapeworm

b)

the hookworm. Burrows into the skin, causes the “ground itch” rash

c)

blood flukes, a flatworm (Platyhelminthes) Snails are the primary host. Larvae
penetrate skin of a human when they come in contact with contaminated water. Adult worms love the
intestines, blood, and the bladder

d)

swimmer’s itch spread in lakes of the Northern U.S. (only a cutaneous allergic reaction)

e)

tapeworm that is found in pike, trout, perch, and salmon. Infected through
consumption of raw fish (sushi or sashimi)

20.

Cercariae

a)

beef tapeworm

b)

the hookworm. Burrows into the skin, causes the “ground itch” rash

c)

blood flukes, a flatworm (Platyhelminthes) Snails are the primary host. Larvae
penetrate skin of a human when they come in contact with contaminated water. Adult worms love the
intestines, blood, and the bladder

d)

swimmer’s itch spread in lakes of the Northern U.S. (only a cutaneous allergic reaction)

e)

tapeworm that is found in pike, trout, perch, and salmon. Infected through
consumption of raw fish (sushi or sashimi)

21.

Schistosoma mansoni

a)

beef tapeworm

b)

the hookworm. Burrows into the skin, causes the “ground itch” rash

c)

blood flukes, a flatworm (Platyhelminthes) Snails are the primary host. Larvae
penetrate skin of a human when they come in contact with contaminated water. Adult worms love the
intestines, blood, and the bladder

d)

swimmer’s itch spread in lakes of the Northern U.S. (only a cutaneous allergic reaction)

e)

tapeworm that is found in pike, trout, perch, and salmon. Infected through
consumption of raw fish (sushi or sashimi)

22.

Navicula

a)

algae

b)

protozoan

c)

bacterium

d)

Fungi

23.

Amoeba

a)

algae

b)

protozoan

c)

bacterium

d)

Fungi

24.

Paramecium

a)

algae

b)

protozoan

c)

bacterium

d)

Fungi

25.

Saccharomyces

a)

algae

b)

protozoan

c)

bacterium

d)

Fungi

26.

Penicillium

a)

algae

b)

protozoan

c)

bacterium

d)

Fungi

27.

Rhizopus

a)

algae

b)

protozoan

c)

bacterium

d)

Fungi

28.

Aspergillus

a)

algae

b)

protozoan

c)

bacterium

d)

Fungi

29.

Bacillus

a)

algae

b)

protozoan

c)

bacterium

d)

Fungi

30.

Coccus

a)

algae

b)

protozoan

c)

bacterium

d)

Fungi

31.

Spirillum

a)

algae

b)

protozoan

c)

bacterium

d)

Fungi

32.

Euglena

a)

algae

b)

protozoan

c)

bacterium

d)

Fungi

33.

Bacillus

a)

algae

b)

protozoan

c)

bacterium

d)

Fungi

34.

Coccus

a)

algae

b)

protozoan

c)

bacterium

d)

Fungi

35.

SImple staining

a)

nigrosin

b)

nigrosin

36.

Positive Staining

a)

methylene blue, malachite green, safranin, crystal violet

b)

methylene blue, malachite green, safranin, crystal violet

37.

gram staining

a)

Red-pink neg

b)

Blue-purple pos

38.

Acid fast

a)

non acid fast BLUE

b)

Acid fast PINK

39.

Acid Fast Staining

a)

Ziehl-Neelson

b)

Schaeffer-Fulton

40.

Endo spore staining

a)

Ziehl-Neelson

b)

Schaeffer-Fulton

41.

What is this

a)

Sheep Liver Fluke
Fasciola hepatica

b)

Blood Fluke
Schistosoma mansoni

c)

Tapeworm (Dipylidium canium)
Specimen

d)

Roundworm
Ascaris lumbricoides

e)

Tapeworm (Dipylidium canium)
Slides

42.

What is this

a)

Sheep Liver Fluke
Fasciola hepatica

b)

Blood Fluke
Schistosoma mansoni

c)

Tapeworm (Dipylidium canium)
Specimen

d)

Roundworm
Ascaris lumbricoides

e)

Tapeworm (Dipylidium canium)
Slides

43.

What is this

a)

Sheep Liver Fluke
Fasciola hepatica

b)

Blood Fluke
Schistosoma mansoni

c)

Tapeworm (Dipylidium canium)
Specimen

d)

Roundworm
Ascaris lumbricoides

e)

Tapeworm (Dipylidium canium)
Slides

44.

What is this

a)

Sheep Liver Fluke
Fasciola hepatica

b)

Blood Fluke
Schistosoma mansoni

c)

Tapeworm (Dipylidium canium)
Specimen

d)

Roundworm
Ascaris lumbricoides

e)

Tapeworm (Dipylidium canium)
Slides

45.

What is this

a)

Hookworm
Ancylostoma canium

b)

Blood Fluke
Schistosoma mansoni

c)

Trichinella Worm
Trichinella spiralis

d)

Heartworm Larva
Dirofilaria immitis

e)

Tapeworm (Dipylidium canium)
Slides

46.

What is this

a)

Hookworm
Ancylostoma canium

b)

Blood Fluke
Schistosoma mansoni

c)

Trichinella Worm
Trichinella spiralis

d)

Heartworm Larva
Dirofilaria immitis

e)

Tapeworm (Dipylidium canium)
Slides

47.

What is this

a)

Hookworm
Ancylostoma canium

b)

Blood Fluke
Schistosoma mansoni

c)

Trichinella Worm
Trichinella spiralis

d)

Heartworm Larva
Dirofilaria immitis

e)

Tapeworm (Dipylidium canium)
Slides

Exam 4

Total questions: 47

Worksheet time: 25mins

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