Quiz 3- Parasitology

If you discover following structure in blood smear, the patient may suffer ___ infection Plasmodium falciparum Babesia microti Giardia lamblia Toxoplasma gondii

Babesia microti

All of the following can be transmitted by drinking contaminated water, except Balantidiasis. Cyclosporiasis. Babesiosis. Cryptosporidiosis. Giardiasis.

Babesiosis.

Transmission of which organism(s) can occur by ingestion of undercooked meat? Trichuris trichuria Toxoplasma gondii Trichinella spiralis Both Trichinella spiralis and Toxoplasma gondii

Both Trichinella spiralis and Toxoplasma gondii

Plasmodium species are hemoflagellates. True False

False

Which is incorrect about malaria? Gametocytes enter the mosquito as she draws a blood meal from a human. Trophozoites develop in RBCs. Merozoites enter and multiply in liver cells. The mosquito inoculates human blood with sporozoites. None of the choices are correct.

Merozoites enter and multiply in liver cells.

Your patient is experiencing abdominal discomfort approximately 4 weeks after returning from a vacation to the sub-tropics. You obtain a specimen to be examined in the laboratory and discover what appears to be a protozoan parasite with ingested red blood cells within the cytoplasm. It is likely that your patient has been infected by: The aggressive hemoflagellate, Plasmodium falciparum which will ingests old and immature red blood cells. A hookworm, which will puncture small capillaries and feed on blood. Cysts of Entoamoeba histolytica which voraciously feed on red blood cells. None of the above are correct.

None of the above are correct.

If you discover following structure in blood smear, the patient may suffer ___ infection Babesia microti Plasmodium faciparum Trichomonas vaginalis Cyclospora cayetanensis

Plasmodium faciparum

All of the following are examples of asexual reproduction EXCEPT: Multiple Fission Sporogony Multiple Fission Schizogony

Sporogony

Anna recently learned that she is pregnant and is visiting her doctor for her first prenatal visit. Among the many pieces of advice offered to ensure a safe pregnancy, the doctor specifically told Anna to avoid eating any rare meats, including steaks and roast beef, and to avoid changing her cat's litter box. These words of caution were primarily directed at avoiding contact with E. coli O157:H7 Toxoplasma gondii Cryptosporidium Taenia saginata

Toxoplasma gondii

Transmission of which organism(s) can occur by ingestion of undercooked meat? Trichuris trichuria Toxoplasma gondii Trichinella spiralis Both Trichinella spiralis and Toxoplasma gondii

Toxoplasma gondii Trichinella spiralis

A person carrying one gene for sickle-cell hemoglobin will be resistant to Plasmodium infection. True False

True

The large intestines of pigs are the primary reservoir of the pathogen that causes trypanosomiasis leishmaniasis. amebiasis and trichomoniasis. cryptosporidiosis and cyclosporiasis. balantidiasis. amebic meningoencephalitis.

balantidiasis.

Symptoms of cryptosporidiosis include a circular rash that appears on the trunk and spreads to the extremities. loss of hair. a red skin papule that spreads to a large ulcer. headache, sweating, vomiting, severe abdominal cramps, and diarrhea. None of the choices are correct.

headache, sweating, vomiting, severe abdominal cramps, and diarrhea.

Toxoplasmosis includes all the following, except intrauterine infectious are generally mild with very little damage to fetal tissues. tachyzoites can cross the placenta. ingesting pseudocysts from contaminated raw or undercooked meat. immunocompromised patients often develop a fatal, disseminated infection. ingesting or inhaling oocysts from infected cats or cat feces.

intrauterine infectious are generally mild with very little damage to fetal tissues.

Which of the following disease is transmitted via mosquito bites? cryptosporidiosis African sleeping sickness giardiasis malaria

malaria

Most patients with toxoplasmosis that are not immunocompromised experience bloody, mucus-filled stools, fever, diarrhea, and weight loss. sore throat, low grade fever, and swollen lymph nodes. urinary frequency and pain, and vaginal discharge. fever, swollen lymph nodes, and joint pain. chills, fever, and sweating.

sore throat, low grade fever, and swollen lymph nodes.

Most patients with toxoplasmosis that are not immunocompromised experience bloody, mucus-filled stools, fever, diarrhea, and weight loss. urinary frequency and pain, and vaginal discharge. chills, fever, and sweating. sore throat, low grade fever, and swollen lymph nodes. fever, swollen lymph nodes, and joint pain.

sore throat, low grade fever, and swollen lymph nodes.

Which of the follow disease affects fetus development if pregnant women contract the disease for the first time during pregnancy? toxoplasmosis African sleeping sickness giardiasis malaria

toxoplasmosis

Toxoplasma gondii can infect most mammals but can only sexually reproduce in: Pigs Cats Humans Cattle

Cats

Local city water supplies have been sources of parasitic infections. The most common organisms implicated in these events include: Cryptosporidium parvum and Giardia lamblia Trypanosoma brucei gambience and Entamoeba histolytica Toxoplasma gondii and Entamoeba histolytica Giardia lamblia and Toxoplasma gondii

Cryptosporidium parvum and Giardia lamblia

Outbreaks of diarrhea have been caused by a parasite that has been associated with raspberries, strawberries, herbs, and baby lettuces. The most likely parasite is: Giardia lamblia Cyclospora cayetanensis Toxoplasma gondii Cryptosporidium parvum

Cyclospora cayetanensis

All following pprotozoan infect cardiovascular, lymphatic systems EXCEPT Plasmodium species. Trypanosoma species Cyclospora species Leishmania species

Cyclospora species