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Explore the causes, prevention, and treatment of common contagious diseases. Learn about viral and bacterial infections, immunity, vaccines, and emerging pathogens.
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Another word for communicable is • harmless. • sudden. • contagious. • painful.
The common cold and influenza are caused by • overeating. • viruses. • bacterial infection. • exposure to toxins.
Malaria, West Nile virus, and Lyme disease are examples of diseases that are spread by • vectors. • contaminated food. • sexual contact. • contaminated water.
Which of the following habits probably will not help you avoid respiratory tract infections? • Using mouthwash • Frequent hand washing • Avoiding contact with ill people • Abstaining from smoking
Some strains of tuberculosis have become resistant to which form of treatment? • Bed rest • Surgery • Dietary changes • Antibiotics
What is the most common blood-borne infection in the United States? • Hepatitis A • Hepatitis B • Hepatitis C • None of the above
What is the role of phagocytes in the inflammatory response? • Creating pus • Destroying pathogens • Creating antigens • Binding to antigens.
If you receive antibodies from another person or an animal instead of producing them in your own body, it is called • communicable disease. • specific defense. • active immunity. • passive immunity.
Live-virus, killed-virus, toxoid, and second-generation virus are all categories of • vaccines. • antigens. • preventive strategies. • antibiotics.
During an immune response, your immune system reacts quickly to • antibodies • lymphocytes • antigens • macrophages
The incidence of emerging infections is • decreasing. • increasing. • holding steady. • virtually nonexistent.
The most effective way to prevent infection from Salmonella and E. coli is to • chlorinate water. • avoid insect bites. • cook meat thoroughly. • wash hands frequently.
A global outbreak of an infectious disease is a • pandemic. • epidemic. • disaster. • response strategy.