Exam 33: Eukaryotic Pathogens: Fungi, Protozoans, and Helminths

Schistosoma and Plasmodium species both require

Which of the following filariases can be controlled by thoroughly cooking pork and wild game?

Humans are incidental hosts for ________ and infected humans do not spread the disease.

All fungal infections can broadly be termed

Trypanosoma and Leshmania species are transmitted by

Naegleria fowleri is a free-living ________ that causes infection by ________.

Cryptosporidium parvum oocysts are highly resistant to

Patients with malaria often have splenomegaly.

Elderly individuals are more likely to develop systemic mycoses because cell-mediated immunity generally decreases with age.

Chagas disease is caused by which pathogen?

Trichomoniasis vaginalis is a sexually transmitted disease that can also survive on moist surfaces and in urine for several hours. As a result, trichomoniasis

The microorganism Cryptosporidium parvum is a

With respect to their life cycles, how are fungal pathogens different than bacterial pathogens?

Trichomoniasis can be transmitted through contact with fomites, such as towels, because the causative agent can survive for a relatively long time outside of the human body.

Fifteen high school students visited a local farm in central Wisconsin for a weekend where they enjoyed petting farm animals, riding horses, and campfire meals. With sanitation in mind, only one individual remembered to wash her hands with water pumped from a well after petting the animals before dinner. After two weeks of the girl passing out at random occasions, she was rushed into the emergency room where doctors determined she was severely dehydrated. Explain how it took direct observation of a fecal sample to solve this potential life-threatening disease and how this disease was treated in the otherwise healthy girl. Also mention any necessary precautions the individual should have taken after being diagnosed with the disease.

An untreated Entamoeba histolytica infection can invade the

Roughly half of all adults in the United States are infected with ________ but are asymptomatic.

Based on the life cycle of Schistosoma species, which of the following would be most effective in controlling schistosomiasis?

The most serious types of fungal infections are

The most common major systemic mycosis in the United States is coccidiomycosis.