20-21 Flashcards
(20 cards)
T/F - The amebae that cause keratoconjunctivitis and primary amebic meningoencephalitis are good examples of obligate parasites.
false
T/F - In a parasite’s life cycle, it is possible for a particular arthropod to serve as both a host and a biologic vector
true
T/F - Moulds in the genus Mucor are commonly referred to as bread moulds
true
T/F - The yeast form of Histoplasma capsulatum is quite distinctive because of its large capsule
false
T/F - Valley fever is another name for cryptococcosis
false
T/F - When grown at room temperature, Coccidiodes immitis produces yeast colonies
false
T/F - Both histoplasmosis and cryptococcosis may be acquired by inhalation of dried bat droppings (guano)
true
T/F - Toxoplasmosis could be acquired by eating raw or rare meat
true
T/F - Histoplasmosis is the most common systemic fungal infection in AIDS patients
true
T/F - Tinea versicolor is caused by a yeast named Malassezia furfur
false
T/F - Scabies is caused by an insect
false
T/F - When causing infections, parasitic protozoa and helminths are endoparasites
true
T/F - African trypanosomiasis and American trypanosomiasis are transmitted by the same type of arthropod vector
false
T/F - It is possible to acquire cryptosporidiosis, cyclosporiasis, and toxoplasmosis by ingesting oocysts
true
T/F - Trichomonas vaginalis cannot survive very long outside the human body because it has no cyst form
true
T/F - If a patient is infected with a dimorphic fungus, it is likely that fungal hyphae would be see in the infected tissues
false
T/F - Pneumocystis pneumonia is a common contributory cause of death in AIDS patients
true
T/F - Mycetomas are respiratory infections
false
T/F - In the malarial parasite’s life cycle, humans serve as definitive hosts
false
T/F - in a parasite’s life cycle, the definitive host harbors the adult or sexual stage of the parasite or the sexual phase of the life cycle
true
