Microbiology Basics: ANAT1160 Unit 2
A nurse wipes a doorknob, washes her hands, and moves to the next patient. Nothing in that looks like science.
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Microbiology Basics: ANAT1160 Unit 2
This episode is an ANAT1160 study review of Unit 2, Microbiology Basics: the six infection terms, the three types of pathogens, how bacteria are identified in the laboratory, and how infection travels from one person to the next. It closes with retrieval questions and their answers.
The six terms this unit defines:
- Disease — an abnormal condition affecting the body of an organism, often caused by infection, genetic defect, or environmental factors.
- Infection — the invasion and multiplication of pathogens in the body, leading to tissue damage and illness.
- Pathogen — a microorganism such as a virus, bacterium, fungus, or parasite that causes disease.
- Carrier — an individual who harbours a pathogen without showing symptoms but can transmit it to others.
- Fomite — an inanimate object or surface that can transmit pathogens from one host to another.
- Vector — a living organism, such as a mosquito or a tick, that transmits a pathogen from one host to another.
The three pathogen types are bacteria, viruses, and fungi. Bacteria are identified in the laboratory with a Gram stain, a culture, and sensitivity testing. Of the transmission routes, environment to person is the one your own hands carry, which is why hand hygiene comes first in every infection-control routine.
The review follows the uploaded Microbiology Basics ANAT1160 Unit 2 deck. The readings that deck cites are Microbiology: Canadian Edition, sections 16.1 and 17.3; Nursing Fundamentals 2e, chapter 9; and Fundamentals of Nursing Pharmacology, section 3.2.
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