Commensal microorganisms Study guides, Class notes & Summaries

Epidemiology Community-Acquired Pneumonia - Ans • An estimated 5.6 million cases/year • Estimated total annual cost is $10 billion • 6th leading cause of death in U.S. - #1 cause of death from infectious diseases • Up to 80% of treatment is outpatient • Mortality rate varies - <1-5% outpatient - 12% inpatient - Up to 40% in critically ill/ICU admissions Pathogenesis Community-Acquired Pneumonia - Ans • Microorganisms gain access to the lower respiratory tract via: - I...

ubiquity CORRECT ANSWER Appearing everywhere other lifeforms exist, can be isolated from soil, water, plants, animals, & humans - does not apply to every species by microorganisms as a group Pathogenic CORRECT ANSWER The vast majority of microorg's are nonpathogenic Commensal CORRECT ANSWER microbe benefits - human is not affected Mutualism CORRECT ANSWER A relationship between two species in which both species benefit Saprophyte CORRECT ANSWER a plant, fungus, or microorganism that ...

Community Acquired Pneumonia Exam Questions And Answers Graded A+ Epidemiology Community-Acquired Pneumonia • An estimated 5.6 million cases/year • Estimated total annual cost is $10 billion • 6th leading cause of death in U.S. - #1 cause of death from infectious diseases • Up to 80% of treatment is outpatient • Mortality rate varies - <1-5% outpatient - 12% inpatient - Up to 40% in critically ill/ICU admissions Pathogenesis Community-Acquired Pneumonia • Microor...

Microbiology Chapter 14 Exam Questions with 100% Correct Answers | Verified | Updated A commensal bacterium A) does not infect its host. B) may also be an opportunistic pathogen. C) is beneficial to its host. D) does not receive any benefit from its host. E) is beneficial to, and does not infect, its host - answerB Which of the following statements is TRUE? A) At least one member must not benefit in a symbiotic relationship. B) A parasite is not in symbiosis with its host. C) Members...

Immunology- HMX Questions and answers 100% with 100% Complete Solutions |verified |verified &updated 2024 microbes - virus, bacteria, protozoans, multicellular parasite commensal microorganisms - a microorganism that habitually lives on or in the human body; one that normally causes no disease or harm and can be beneficial Circulating leukocytes - neutrophils, monocytes tissue-resident sentinel cells - macrophages, mast cells, dendritic cells -release pro-inflammatory cytokines -all have i...

MCMP 422 EXAM 1 Questions and Answers 100% Correct A bacterium that causes a common disease in a population that has been previously exposed to it is called _____. A. opportunistic B. Resistant C. Endemic D. Attenuated E. Commensal - Answer- C. Endemic A term generally used to describe all white blood cells is _____. A. hematopoietic cells B. myeloid progenitor C. dendritic cells D. monocytes E. leukocytes - Answer- E. leukocytes All of the following are examples of chemical barri...

Archaea what are they? where can they be found? how do they get energy? - Answer-similar to bacteria since they are also unicellular prokaryotic organisms (lack nucleus/organelles) many are extremophiles (living in extreme salt, pH, or temps) use whatever energy they find (organic compounds, ammonia, hydrogen gas, metal ions, photosynthesis) Symbiotic relationships: mutualistic, parasitic, commensal? - Answer-mutualistic - beneficial to both parasitic - beneficial to one + ha...

Immunology Chapter 1-4 Exam Latest  Immunology - the study of physiological mechanism humans and other animals use to defend their bodies from invasion by other organisms Immune - originally used to describe those who had surived a disease and did not suffer from it when faced with it again Infectious disease - disease cause by a microorganism Immune system - the collection of cells and physiological mechanisms the human body utilizes to fight infections Vaccination; im...

Immunology Chapter 1-4 Exam Latest Immunology - the study of physiological mechanism humans and other animals use to defend their bodies from invasion by other organisms Immune - originally used to describe those who had surived a disease and did not suffer from it when faced with it again Infectious disease - disease cause by a microorganism Immune system - the collection of cells and physiological mechanisms the human body utilizes to fight infections Vaccination; immu...

Community Acquired Pneumonia Exam Questions And Answers Graded A+ Epidemiology Community-Acquired Pneumonia • An estimated 5.6 million cases/year • Estimated total annual cost is $10 billion • 6th leading cause of death in U.S. - #1 cause of death from infectious diseases • Up to 80% of treatment is outpatient • Mortality rate varies - <1-5% outpatient - 12% inpatient - Up to 40% in critically ill/ICU admissions Pathogenesis Community-Acquired Pneumonia • Microor...