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Questions and Answers
What are the causes of infectious diseases?
What are the causes of infectious diseases?
- Bacteria, viruses, fungi, parasites, and occasionally prions (correct)
- Bacteria, archaea, viruses, algae, and protozoa
- Bacteria, viruses, multicellular organisms, fungi, and prions
- Bacteria, protozoa, algae, fungi, and viruses
How can infectious diseases be transmitted to humans?
How can infectious diseases be transmitted to humans?
- Through other people, bug bites, and contaminated food, water or soil (correct)
- Through blood transfusions, sexual contact, and sharing needles
- Through airborne particles, direct contact, and animal bites
- Through physical contact, consumption of unpasteurized dairy, and inhalation of spores
What are microorganisms that cause disease called?
What are microorganisms that cause disease called?
- Allergens
- Pathogens (correct)
- Parasites
- Toxins
What are infectious diseases also known as?
What are infectious diseases also known as?
What are the organisms that can cause infectious diseases?
What are the organisms that can cause infectious diseases?
What is the process that eliminates many or all pathogenic microorganisms, except bacterial spores, on inanimate objects?
What is the process that eliminates many or all pathogenic microorganisms, except bacterial spores, on inanimate objects?
What describes the process that destroys or eliminates all forms of microbial life?
What describes the process that destroys or eliminates all forms of microbial life?
Which of the following is a principal sterilizing agent used in health-care facilities?
Which of the following is a principal sterilizing agent used in health-care facilities?
What is the removal of visible soil from objects and surfaces, usually accomplished manually or mechanically using water with detergents or enzymatic products?
What is the removal of visible soil from objects and surfaces, usually accomplished manually or mechanically using water with detergents or enzymatic products?
Which method is usually used for disinfecting objects in health-care settings?
Which method is usually used for disinfecting objects in health-care settings?
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Study Notes
Causes and Transmission of Infectious Diseases
- Infectious diseases can be caused by various microorganisms, including bacteria, viruses, fungi, and parasites.
- These diseases can be transmitted to humans through different routes, such as airborne transmission, vector-borne transmission, and contaminated food and water.
Microorganisms and Disease
- Microorganisms that cause disease are called pathogens.
- Infectious diseases are also known as communicable diseases.
Organisms that Cause Disease
- Bacteria, viruses, fungi, and parasites are examples of organisms that can cause infectious diseases.
Sterilization and Disinfection
- The process that eliminates many or all pathogenic microorganisms, except bacterial spores, on inanimate objects is called disinfection.
- The process that destroys or eliminates all forms of microbial life is called sterilization.
- Ethylene oxide is a principal sterilizing agent used in health-care facilities.
Cleaning and Disinfecting
- The removal of visible soil from objects and surfaces, usually accomplished manually or mechanically using water with detergents or enzymatic products, is called cleaning.
- Chemical disinfection is usually used for disinfecting objects in health-care settings.
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