Lecture 8 study guide Essay

Submitted By Laura-McGee
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Lecture 8. 3 exam questions from this study guide.

1. What are pathology and pathogenesis?
Pathology- the scientific study of the disease (cause or etiology of disease)
Pathogenesis- manner in which the disease develops
2. What is a nosocomial infection?
Not present or incubating at the time of admission (hospital acquired infection)
2 million people per year develop a Nosocomial infection
Approximately 20,000 people die per year
8th leading cause of death
3. What is the difference between commensalism and parasitism?
Commensalism- one organism benefits, the other is unaffected

Parasitism- one organism benefits at the expense of the other

4. Define sepsis/bacteremia/septicemia.
Sepsis- toxic inflammatory condition arising from the spread of microbes, especially bacteria or their toxins, from a focus of infection

Bacteremia- bacteria in the blood

Septicemia- growth of bacteria in the blood
5. What are the 3 most common MRSA colonization sites?
Axilla (armpit area), hands, groin
6. What separates an endemic from an epidemic from a pandemic disease?
Endemic- disease constantly present in a population

Epidemic- disease acquired by many hosts in a given area in a short time

Pandemic- worldwide epidemic

7. What are two precautions needed to protect from an airborne pathogen?
Negative air pressure room, PPE (N95 mask)
8. What is the significance of chlorinated lime in preventing infection?
Washing hands with chlorinated lime is an antiseptic procedure to improve hand…