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Microbiology Chapter 11

List the 5 types of mycoses. Systemic, subcutaneous, cutaneous, superficial, opportunistic
Name 2 fungi that cause opportunistic infections. Candida albicans and Asperigillus
Describe the organisms in the phylum Archaezoa. No mitochondria, multiple flagella.
Where is Giardia lamblia found in nature? In nearly all surface waters.
Give 2 factors that contribute to the spread of Giardiasis. Resists chemical disinfectants, cysts are chlorine resistant.
Phylum Rhizopoda Move by pseudopods. Causative agent: Entameoba histolytica. Causes amebiasis.
Phylum Euglenozoa Phototrophs in light/chemoheterotrophs in dark. Causative agent: Trypanosoma. Causes sleeping sickness.
Name 2 organisms & the diseases they cause from the phylum Apicomplexa. Cryptosporidium causes Cryptosporidosis. Plasmodium causes Malaria.
What is the causative agent of malaria? Plasmodium falciparum.
What is the vector of malaria? Anopheles mosquito.
What are the symptoms of malaria? Periodic chills& fever, anemia, splenomegaly, intense headaches, kidney failure, cerebral damage, hemoglobinuria.
What is the most characteristic symptom of malaria? Periodic chills & fever
How is malaria diagnosed? Reoccurring chills & fever, history of travel into endemic areas, ring form present in blood smears, decreased hemoglobin levels.
WHat is the main drug used for malaria treatment? Chloroquine (Aralen)
What protective measures can be used for malaria? protective clothing, mosquito repellants, insecticide treated mosquito netting, chloroquine prophylaxis, control of anopheles mosquito.
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.
How many people does malaria kill every year? 3 million people per year.
Where & who are the majority of these deaths? African children
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.
Created by: rkferreira