Podcast
Questions and Answers
What is the body's response to an infection called?
What is the body's response to an infection called?
- Inflammation
- Hemodynamic changes
- Host response (correct)
- Leukocyte activation
What is the process by which leukocytes enter connective tissue?
What is the process by which leukocytes enter connective tissue?
- Inflammation
- Chemotaxis
- Transendothelial migration (correct)
- Phagocytosis
What type of infection induces an inflammatory response?
What type of infection induces an inflammatory response?
- Viral infection
- Fungal infection
- Bacterial infection (correct)
- Parasitic infection
What attracts leukocytes to the site of infection?
What attracts leukocytes to the site of infection?
What is the function of the immune system?
What is the function of the immune system?
What is the process by which leukocytes engulf and digest microorganisms?
What is the process by which leukocytes engulf and digest microorganisms?
How many major subdivisions does the immune system have?
How many major subdivisions does the immune system have?
What is the body's protective response to pathogens, foreign bodies, or injury?
What is the body's protective response to pathogens, foreign bodies, or injury?
What type of cells release chemicals that dilate capillaries and increase vascular permeability?
What type of cells release chemicals that dilate capillaries and increase vascular permeability?
What do hemodynamic changes refer to?
What do hemodynamic changes refer to?
What are the inflammatory mediators that play a role in the inflammatory response?
What are the inflammatory mediators that play a role in the inflammatory response?
What are leukocytes?
What are leukocytes?
What is the difference between acute and chronic inflammation?
What is the difference between acute and chronic inflammation?
What are the three main types of leukocytes?
What are the three main types of leukocytes?
In how many ways do antibodies participate in host defense?
In how many ways do antibodies participate in host defense?
What is the association between periodontitis and transendothelial migration?
What is the association between periodontitis and transendothelial migration?
What is the complement system?
What is the complement system?
What is the consequence of chronic inflammation in periodontitis?
What is the consequence of chronic inflammation in periodontitis?
How do the cells of the immune system fight an infection?
How do the cells of the immune system fight an infection?
What type of cells are involved in the accumulation during chronic inflammation?
What type of cells are involved in the accumulation during chronic inflammation?
What is the principal cytokine secreted by macrophages that contributes to tissue destruction in chronic inflammation?
What is the principal cytokine secreted by macrophages that contributes to tissue destruction in chronic inflammation?
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Study Notes
- Host response is the body's reaction to an infection.
- Periodontal disease is a bacterial infection that induces an inflammatory response.
- The immune system defends the body against millions of pathogens.
- The immune system has two major subdivisions: innate and adaptive.
- Hemodynamic changes refer to how blood cells move around in response to trauma/injury.
- Leukocytes are white blood cells that act like independent single-cell organisms.
- The three main types of leukocytes are polymorphonuclear leukocytes, macrophages, and lymphocytes.
- Antibodies participate in host defense in three main ways: neutralizing bacteria, coating bacteria, and activating the complement system.
- The complement system is a complex series of proteins that works to facilitate phagocytosis or kill bacteria directly.
- To fight an infection, the cells of the immune system travel through the bloodstream and into the tissues.
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