5 Written Questions
5 Matching Questions
- transient flora
- potential for microorganisms or parasites to cause disease depends on 4 factors:
- To thrive, organisms require a proper environment including: (1-6)
- a the presence of organisms in body secretions or excretions in which strains of bacteria become resident flora but do not cause illness
- b 1. Dose (sufficient # of organisms
2. Virulence (or ability to survive in the host or outside the body)
3. ability to enter and survive host
4. Host Resistance (susceptibility of host)
- c food poisoning characterized by paralysis and often death; caused by the bacterium Clostridium botulinum
- d 1. appropriate food
- e Microorganisms that reside on the superficial skin layers and are picked up in the course of daily activities. They are often pathogenic but can be removed easily from the skin by sanitizing the hands.
5 Multiple Choice Questions
- relative power of a pathogen to cause disease
- Susceptibility of the host
- direct result of therapeutic or diagnostic procedures (ie: infection of central line, surgical infection)
- a living organism too small to be seen with the naked eye, such as a virus or bacterium
- bacteria, protozoa, viruses, fungi
5 True/False Questions
organic matter → Simpler molecules that can be used as raw materials by producers, but not by consumers. Examples include water and carbon dioxide.
symptomatic → indicative, relating to or according to or affecting a symptom or symptoms
spore → A person, animal, or plant that harbors and transmits the causative agent of an infectious disease; one who carries the causative agent systemically but is asymptomatic or immune to it.
asymptomatic → having no symptoms of illness or disease
resident flora → Microorganisms that reside on the superficial skin layers and are picked up in the course of daily activities. They are often pathogenic but can be removed easily from the skin by sanitizing the hands.