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35 Cards in this Set
- Front
- Back
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Influenza
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Orthomyxoviridae virus causes what viral disease of the lower respiratory system?
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H spikes
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Hemmagglutinin
Binds to host cells |
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N spikes
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Neuraminidase
Assist in viral budding and release |
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Antigenic variation
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Major outbreaks associated with the development of new strains of the virus. New strains result from mutation and reassortment.
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Type A
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Every 2-4 years
Most pandemics What type of antigenic variation is this? |
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Type B
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What type of antigenic variation is this?
Every 4-6 years Geographically limited |
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Type C
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What type of antigenic variation is this?
Only sporadic cases |
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Antigenic drift
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Minor mutations in the genes that code for the H and N spikes.
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Antigenic shift
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Reassortment of RNA from different strains.
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Influenza
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overall chills
fever headache Malaise Cough Pneumonia Reyes Syndrome High fever protracted vomiting liver and brain damage -> coma and death. |
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Respiratory droplets
indirect contact |
How is influenza transmitted?
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vaccine
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How could influenza be prevented?
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Histoplasmosis
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Name the disease that is caused by Histoplasma.
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Darling's Disease
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What is the common name of Histoplasmosis?
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Histoplasma
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Name the genus that causes Histoplasmosis.
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Coccidiomycosis
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What is the name of the disease that has a common name of San Jaquin Valley Fever?
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Coccidioides
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Name the genus that causes Coccidioidomycosis.
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Coccidiodomycosis
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Name the disease that is caused by the organism, Coccidioides.
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Inhalation of spores
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How is Coccidiomycosis transmitted?
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Pneumocystis Pneumonia
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PCP
Multiply in the alveoli -> fills the air spaces -> Often fatal in AIDS patients. |
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Pneumoncystis
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Name the genus that causes Pneumocystis Pneumonia.
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Droplet route
inhalation |
How is Pneumocystis Pneumonia transmitted?
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Blastomycosis
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Name the disease that is caused by the genus, Blastomyces.
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Blastomyces
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Name the genus that causes the disease Blastomycosis.
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Fungus
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What type of organism causes the disease, Blastomycosis?
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fungi
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What type of organism causes the disease, Coccidiodomycosis?
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fungi
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What type of organism causes the disease, Histoplasmosis?
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Blastomycosis
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Symptoms:
Most asmyptomatic Chronic skin disease System disease may involve an organ or CNS 30-60 deaths/year. Name disease. |
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Inhalation of spores or through cuts
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How is Blastomycosis transmitted?
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Aspergillosis
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What disease is caused by the organism, Aspergillus?
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Aspergillus
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Name the organism or genus that caused the disease, Aspergillosis?
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Aspergillosis
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Continues to grow in a mold form within the body.
Forms Aspergillomas (Ball of mycelium) in the lungs. Systemic: B.V. -> Thrombosis -> seizures Name disease. |
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fungi`
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What type of organism is Aspergillus?
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Aspergillosis
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Sym: flu-like symptoms
Chest pain Headache Chills Complications: Ulceration of: Tongue, palate and larynx. Meningitis, end and pericarditis. Trans: Inhalation of spores |
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Inhalation of spores
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How is Aspergillosis transmitted?
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