(Usmle) Parasites And Protists

Front 1

Symptoms of Entamoeba histolytica

Back 1

Bloody diarrhea, liver abscess, RUQPAIN

Front 2

Diagnosis of Entamoeba histolytica

Back 2

Serology / Trophozoites or cysts in stool

Front 3

Treatment for Entamoeba histolytica

Back 3

Metronidazole and iodoquinol

Front 4

Symptoms of Giardia lamblia

Back 4

Bloating flatulence, foul smelling diarrhea

Front 5

Treatment of Giardia lamblia

Back 5

Metronidazole

Front 6

Treatment of Cryptosporidium

Back 6

None

Front 7

Severe cases of Cryptosporidium is associated with this condition

Back 7

AIDS

Front 8

Diagnosis of Cryptosporidium

Back 8

Cysts on acid-fast stain

Front 9

Brain abscess in HIV (ring-enhancing)

Back 9

Toxoplasma

Front 10

Sulfadiazine + Pyrimethamine is used to treat:

Back 10

Toxoplasma

Front 11

Treatment for bug that causes foul-smelling Vaginitis:

Back 11

Metronidazole

Front 12

Reduviid bug

Back 12

Trypanosoma cruzi

Front 13

Patient treated with Nifurtimox for an infection that caused dilated cardiomyopathy and megacolon

Back 13

Trypanosoma Cruzi

Front 14

Treatment for an infection characterized by macrophages containing amastigotes

Back 14

Sodium stibogluconate (bug is Leishmania donovani)

Front 15

Undercooked pork tapeworm:

Back 15

Taenia solium

Front 16

Treatment for Taenia solium

Back 16

Praziquantel/niclosamide; albendazole

Front 17

What is a common name for Cestodes

Back 17

Tapeworms

Front 18

What is a common name for Trematodes

Back 18

Flukes

Front 19

Praziquantel is your friend for treating this disease characterized by cercariae that penetrate the skin of humans leading to granulomas, fibrosis, and inflammation of the spleen and liver.

Back 19

What is Schistosoma

Front 20

Which animal serves as a host for Schistosoma:

A. Snails
B. Crab
C. Cats
D. Pork
E. Mosquitoes

Back 20

A. Snails

Front 21

You get this bug from undercooked crab meat. It causes inflammation and secondary bacterial infection in the lung

Back 21

Paragonimus westermani

Front 22

Ancyclostoma, Ascaris, Enterobius, Strongyloides, Trichinella, Gracunculus, Loa, Onchocerca, Toxocara, and Wuchereria are all this type of parasite:

Back 22

Nematodes

Front 23

In general, this drug is your friend for the treatment of trematodes

Back 23

Praziquantel

Front 24

What is the scientific name for hookworms?

Back 24

Ancylostoma duodenale

Front 25

Treatment for hookworms, roundworms, and pinworms

Back 25

Mebendazole/ pyrantel pamoate

Front 26

How do hookworms get inside the body?

Back 26

Larvae penetrate the skin of feet

Front 27

Which organ system does Ancylostoma duodenale affect? What is a common finding?

Back 27

Affect digestive system.

Can lead to anemia

Front 28

Can you see the eggs of Acaris lumbricoides in the feces?

Back 28

Yes

Front 29

Scotch tape test looks for:

Back 29

Enterobius vermicularis

Front 30

With which infection can you see live larvae in the feces?

Back 30

Strongyloides stercoralis

Front 31

Treatment for Strongyloides stercoralis:

Back 31

Ivermectin /. Thiabendazole

Front 32

Patient consumed undercooked pork and now they have periorbital edema and muscle inflammation. What was the bug?

Back 32

Trichinella spiralis

Front 33

River blindness is associated with this bug:

Back 33

Onchocerca Volvulus

Front 34

This bug causes visceral larva migrans

Back 34

Toxocara canis

Front 35

Treatment for Toxocara canis

Back 35

Diethylcarbamazine

Front 36

Which helminth causes Plumber's Itch because it is frequently found in areas beneath houses which may contain dog or cat feces. It is associated with larvae that penetrate the skin and migrate around the body - causing itching.

Back 36

Necator Americanus (Dog or Cat hookworms)

Front 37

Which of these activities would most likely lead to Schistosoma:

A. Traveling to a tropical country like Cuba
B. Swimming in a pond
C. Working in an vet clinic
D. Spelunking
E. Working in basements or crawlspaces under a house.

Back 37

B. Swimming in a pond (they are spread by snails)

Front 38

Which bug leads to Baghdad Boils

Back 38

Leishmania

Front 39

Which of the following is the pathogen that enters the human body in malaria?

A. Sporozoites
B. Exoerythrocytic merozoites
C. Trophozoites
D. Mosquito Larvae

Back 39

A. Sporozoites

Front 40

Which of the following comes in different varieties for the different plasmodium species?

A. Sporozoites
B. Exoerythrocytic merozoites
C. Trophozoites
D. Mosquito Larvae

Back 40

Trophozoites

For instance, Falciparum is ring-shaped

Front 41

Which of the following infects RBCs in malaria?

A. Sporozoites
B. Exoerythrocytic merozoites
C. Trophozoites
D. Mosquito Larvae

Back 41

B. Merozoites

Front 42

What is a Schiznot?

Back 42

Occurs when sporozoites reproduce asexually in the liver

Front 43

What actually causes the symptoms you see in malaria?

Back 43

Bursting of the RBCs by merozoites

Front 44

Which type of malaria is most severe?

Back 44

P. Falciparum - Can lead to cerebral problems

Front 45

This drug stops relapses with P. Vivax and Ovale:

Back 45

Primaquine

Front 46

Indications for Mefloquine:

Back 46

Treatment for malaria caused by resistant Falciparum

Front 47

Describe the eggs you see with Ascaris lumbricoides

Back 47

Eggs are rough appearing

Front 48

Describe the autoinfective cycle of Strongyloides

Back 48

The bug is free living. Larvae penetrate the skin and migrate to the lungs. They get aspirated into GI tract.

Front 49

What organ does Echinococcus make you think of (or at least, should make you think of)?

Back 49

Liver

Front 50

When diagnosis Echinococcus there will often be _______ around the cyst which distinguishes it from amebic and pyogenic cysts.

Back 50

Rim of calcification

Front 51

Strain of Malaria that has cerebral involvement

Back 51

P. Falciparum

Front 52

What type of organism is Onchocerciasis (cause of River Blindness)

Back 52

Nematode (roundworm)

Front 53

This infective organism, which causes ground-glass bilateral infiltrates in immunocompromised folks was once thought to be a protozoan, but is now considered a fungus

Back 53

Pneumocystis Jirovci

Front 54

Treatment of choice for Schisto

Back 54

Praziquantel

Front 55

Name 3 organisms that enter through the feet and make their way up to the intestines

Back 55

Strongyloidiasis

Necator americanus (Hookworm)

Ancylostoma duodenale (hookworm

Front 56

(T/F) Many times, when an immunocompromised patient contracts Toxoplasma, it is likely they had a latent infection for many years that was activated.

Back 56

True

Front 57

One of the signs of Toxoplasma is ring-enhancing lesions on CT. What are some other conditions that cause this? (x3)

Back 57

Neoplasms (especially lymphoma in immunocompromised people)

Cryptococcus

Tuberculosis