Microbiology Test 2 Questions and Correct Answers (LCC)

Distinguish between signs and symptoms of disease Signs are measurable and something you can see symptoms are something that you can't observe Define infectious disease and give an example Colonization of the body by pathogens, influenza Define communicable disease and give an example Infectious disease that can spread from person to person, the flu Define contagious disease and give an example Infectious, communicable disease that spreads easy, TB Define nosocomial infection Acquired as a result of a hospital stay Explain how nosocomial infections can be prevented Proper hand hygiene and following standard precautions set by hospital Describe the incubation stage of a disease From the time of exposure and when the signs and symptoms start appearing Describe the prodromal stage of a disease Symptoms present, but only feeling mild discomfort Describe the illness stage of a disease Signs and symptoms of illness are most obvious and severe Describe the decline stage of a disease Pathogen particles decrease, signs and symptoms begin to decline Describe the convalescence stage of a disease Body returns to normal functions List Koch's postulates and summarize the limitations of Koch's postulates Figured out the causative agent of a disease through mice Took causative agent out of disease cultured agent injected cultured agent into mouse mouse still died agent ended up transforming into an agent that is still dangerous