Microbiology Chapter 11
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| List the 5 types of mycoses. | Systemic, subcutaneous, cutaneous, superficial, opportunistic
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| Name 2 fungi that cause opportunistic infections. | Candida albicans and Asperigillus
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| Describe the organisms in the phylum Archaezoa. | No mitochondria, multiple flagella.
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| Where is Giardia lamblia found in nature? | In nearly all surface waters.
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| Give 2 factors that contribute to the spread of Giardiasis. | Resists chemical disinfectants, cysts are chlorine resistant.
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| Phylum Rhizopoda | Move by pseudopods. Causative agent: Entameoba histolytica. Causes amebiasis.
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| Phylum Euglenozoa | Phototrophs in light/chemoheterotrophs in dark. Causative agent: Trypanosoma. Causes sleeping sickness.
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| Name 2 organisms & the diseases they cause from the phylum Apicomplexa. | Cryptosporidium causes Cryptosporidosis. Plasmodium causes Malaria.
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| What is the causative agent of malaria? | Plasmodium falciparum.
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| What is the vector of malaria? | Anopheles mosquito.
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| What are the symptoms of malaria? | Periodic chills& fever, anemia, splenomegaly, intense headaches, kidney failure, cerebral damage, hemoglobinuria.
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| What is the most characteristic symptom of malaria? | Periodic chills & fever
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| How is malaria diagnosed? | Reoccurring chills & fever, history of travel into endemic areas, ring form present in blood smears, decreased hemoglobin levels.
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| WHat is the main drug used for malaria treatment? | Chloroquine (Aralen)
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| What protective measures can be used for malaria? | protective clothing, mosquito repellants, insecticide treated mosquito netting, chloroquine prophylaxis, control of anopheles mosquito.
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| Why is there no successful malaria vaccine at the present? | Because there are 3 kinds of possible vaccines and they can't decide which ones to study & develop further.
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| How many people does malaria kill every year? | 3 million people per year.
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| Where & who are the majority of these deaths? | African children
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| Why are fungal & protozoal diseases harder to treat with antimicrobial drugs than bacterial diseases? | Fungi & protozoa are eukaryotic and have no peptidoglycan. They are more similar to our cells so cannot just choose drugs to attack cell walls or peptidoglycan.
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