Inflammation & Repair Overview Quiz
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Questions and Answers

What is the primary function of mast cells in the inflammatory response?

  • Phagocytosis of pathogens
  • Release of histamine and increase in vascular permeability (correct)
  • Recruitment of neutrophils to the site of inflammation
  • Presentation of antigens to T-cells

Which of the following is a key function of macrophages during inflammation?

  • Maintaining homeostasis in the body
  • Releasing cytokines like TNF (correct)
  • Producing leukotrienes
  • Presenting antigens to B-cells

What is the primary role of dendritic cells during inflammation?

  • Recruiting neutrophils to the site of inflammation
  • Presenting antigens to T-cells (correct)
  • Phagocytosis of pathogens
  • Releasing histamine and increasing vascular permeability

What is the term used to describe the process of leukocytes transmigrating through the endothelium into the inflamed tissue?

<p>Diapedesis (B)</p> Signup and view all the answers

Which cell type is responsible for the initial, rapid response to bacterial infection during inflammation?

<p>Neutrophils (C)</p> Signup and view all the answers

What is the primary function of leukotrienes during the inflammatory response?

<p>Recruitment of neutrophils to the site of inflammation (A)</p> Signup and view all the answers

Which of the following cell types is responsible for initiating the acute inflammatory response by releasing histamine?

<p>Mast cells (B)</p> Signup and view all the answers

What is the term used to describe the swelling and fluid accumulation that occurs when lymphatic drainage cannot keep up with increased vascular permeability?

<p>Edema (D)</p> Signup and view all the answers

Which inflammatory mediator is primarily released by mast cells and is associated with allergic responses?

<p>Histamine (C)</p> Signup and view all the answers

Which of the following is a key step in the process of leukocyte recruitment and extravasation during acute inflammation?

<p>Margination and rolling (D)</p> Signup and view all the answers

What is the term used to describe inflammation of the lymphatic vessels?

<p>Lymphangitis (C)</p> Signup and view all the answers

Which of the following cell types is responsible for antigen presentation and activation of the adaptive immune response during acute inflammation?

<p>Dendritic cells (A)</p> Signup and view all the answers

What is the process by which leukocytes migrate through the vessel wall during inflammation?

<p>Diapedesis (C)</p> Signup and view all the answers

What is the primary function of opsonins during the inflammatory response?

<p>To enhance the binding and breakdown of microbes by macrophages (C)</p> Signup and view all the answers

Which of the following is NOT a consequence of persistent infections or ischemia-reperfusion injuries?

<p>Increased production of reactive oxygen species (A)</p> Signup and view all the answers

What is the primary role of neutrophils during the acute inflammatory response?

<p>To phagocytose and kill pathogens (D)</p> Signup and view all the answers

Which type of immune cell is responsible for the 'cavalry charge' of leukocytes during the acute inflammatory response?

<p>Neutrophils (C)</p> Signup and view all the answers

What is the primary mechanism by which leukocytes become activated during the inflammatory response?

<p>All of the above (D)</p> Signup and view all the answers

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