Commensal microorganisms Study guides, Class notes & Summaries
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![Immunology Chapter 1-4 Exam Latest I]Update Graded A+](/docpics/5738440/6681529cd27fd_5738440_121_171.jpeg)
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Immunology Chapter 1-4 Exam Latest I]Update Graded A+
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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; imm...
![Immunology Chapter 1-4 Exam Latest](/docpics/5738443/668152d88b77e_5738443_121_171.jpeg)
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Immunology Chapter 1-4 Exam Latest
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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...
![Immunology Chapter 1 Exam](/docpics/5356948/6649983f5c185_5356948_121_171.jpeg)
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Immunology Chapter 1 Exam
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Immunology Chapter 1 Exam 
Immunology 
the study of the physiological mechanisms that humans and other animals use to defend their bodies from invasion by other organisms 
 
 
Immune System 
cells that collectively are responsible for defense against infection 
 
 
Vaccination/Immunization 
prevention of disease by prior exposure to the infectious agent or a part of an infectious agent in a form that cannot cause disease 
 
 
Commensal Organisms 
microorganisms that live in a healthy human and d...
![Community Acquired Pneumonia (CAP) A Grade Exam 2024|Questions with Complete Solutions](/docpics/5160557/663215f48fbb1_5160557_121_171.jpeg)
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Community Acquired Pneumonia (CAP) A Grade Exam 2024|Questions with Complete Solutions
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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...
![Community Acquired Pneumonia Exam Questions And Answers Graded A+](/docpics/5141359/662fc4f499e0f_5141359_121_171.jpeg)
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Community Acquired Pneumonia Exam Questions And Answers Graded A+
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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...
![MCMP 422 EXAM 1 Questions and Answers 100% Correct](/docpics/4772263/65f81ac26e7ec_4772263_121_171.jpeg)
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MCMP 422 EXAM 1 Questions and Answers 100% Correct
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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...
![Immunology Chapter 1-4 Exam Latest](/docpics/5356929/664997c24d7c4_5356929_121_171.jpeg)
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Immunology Chapter 1-4 Exam Latest
- Exam (elaborations) • 9 pages • 2024
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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](/docpics/5356938/664997f82df84_5356938_121_171.jpeg)
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Immunology Chapter 1-4 Exam Latest
- Exam (elaborations) • 9 pages • 2024
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- $10.69
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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...
![Probiotics MCB6424 Exam 3 Questions With Complete Solutions](/docpics/3499793/6511c3b527568_3499793_121_171.jpeg)
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Probiotics MCB6424 Exam 3 Questions With Complete Solutions
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microbiota vs microbiome correct answer: microbiota - organisms 
microbiome - organisms + genes + genome 
 
The gut microbiota contains more than __ cells 
more than __ species correct answer: 200 trillion cells 
>1000 species 
 
The microbiome contains __x the cells in the human body 
The gut microbiome is __x larger than the human genome correct answer: 10x cells 
150x genome 
 
Who came up with the official definition of microbiota? correct answer: Lederberg and McCray, 2001 
 
Microbi...
![Microbiology Chapter 14 Exam Questions with 100% Correct Answers | Verified | Updated](/docpics/4520651/65cfca24ed02b_4520651_121_171.jpeg)
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Microbiology Chapter 14 Exam Questions with 100% Correct Answers | Verified | Updated
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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...
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