1. Eosinophils are extremely toxic to both the parasite and the host, therefore they are controlled by all of the following mechanisms except:     A. Limited production in the absence of infection   B. Resting eosinophils have high levels of FceRI   C. Stimulation of Th2 cells stimulates production of eosinophils   D. Chemokines control their migration

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A:

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Q: small intestines

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Q: ) African sleeping sickness (African Trypanosomiasis) is fatal if not treated because the parasite…

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Q: The initial attachment required for establishment of an intestinal infection is by a. a capsule. b.…

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Q: 5. When is cholera communicable? a. when stools are positive of endotoxins with carrier states. b.…

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Q: 15- A patient has pneumonia and AFB are found in a sputum smear. (Sputum is the mucus coughed up…

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Q: The infective stage of Entamoeba histolytica to man has A. Pseudopodia B. ingested red blood cells…

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Q: What hookworm penetrate into the skin and causes potbelly of malnutrition, microcytic and…

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Respiratory Infections

Respiratory infections are infectious diseases of the respiratory tract that are mostly caused by bacteria and viruses. They cause infections of the throat, sinuses, airway path, and lungs. Respiratory infections are typically divided into two types: upper tract respiratory infection and lower tract respiratory infection.