Immune Response Phases and Cells Quiz
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Questions and Answers

What is the main topic of Lecture 2?

  • Cells and Tissues of the Immune System (correct)
  • Vaccination and Its Effects
  • Innate vs. Adaptive Immune System
  • Self vs. Non-self Tolerance

What is the primary purpose of vaccination?

  • A procedure that desensitizes an individual to environmental pathogens
  • A procedure that induces an immune response (correct)
  • A procedure that provides short-term protection against pathogens
  • A procedure that involves administration of pathogenic forms of disease-causing agents

Why does our immunity to the flu only last for one season?

  • Insufficient immune system response
  • Due to rapid changes in virus strains (mutations) (correct)
  • Because the flu virus evolves rapidly
  • Lack of proper vaccination techniques

Is the statement 'The Adaptive immune system is fast-acting while the Innate immune system is pathogen-specific' true or false?

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

According to the provided reminder, what does 'Self' refer to?

<p>Commensal bacteria and our own tissues/cells (B)</p> Signup and view all the answers

When are Prof. Trisha Mahtani's office hours?

<p>Mondays 2-3pm and Wednesdays 1-2pm (A)</p> Signup and view all the answers

Where does hematopoiesis occur?

<p>In the bone marrow (C)</p> Signup and view all the answers

What is the main function of adult stem cells?

<p>Give rise to tissue-specific cell types (B)</p> Signup and view all the answers

Which type of immune cells originate from a hematopoietic stem cell (HSC)?

<p>Red blood cells and white blood cells (D)</p> Signup and view all the answers

What is the main function of myeloid progenitors in the immune system?

<p>Give rise to leukocytes in the innate immune system (D)</p> Signup and view all the answers

Which cell type is a main component of pus?

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

What is the function of neutrophil extracellular traps (NETs)?

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

Which myeloid cell type is important for parasite infections and contributes to allergies and asthma?

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

Which myeloid cell type has granules that damage parasite membranes?

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

What is the main function of basophils?

<p>Secrete cytokines regulating immune responses (B)</p> Signup and view all the answers

What is the main focus of Lecture 2?

<p>Cells and Tissues of the Immune System (A)</p> Signup and view all the answers

Which of the following best describes the purpose of vaccination as mentioned in the text?

<p>A procedure that induces an immune response. (C)</p> Signup and view all the answers

Why does our immunity to the flu only last for one season?

<p>Due to rapid changes in virus strains (mutations). (C)</p> Signup and view all the answers

What is the primary difference between the Adaptive and Innate immune systems?

<p>The specificity to pathogens (B)</p> Signup and view all the answers

Which of the following is considered 'Self' according to the provided reminder?

<p>Commensal bacteria and our own tissues/cells (D)</p> Signup and view all the answers

What is the function of neutrophil extracellular traps (NETs) as mentioned in the text?

<p>To capture and kill pathogens (A)</p> Signup and view all the answers

Where does immune cell development occur in stem cell niches?

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

What is the main function of eosinophils in the immune system?

<p>Kill parasites by damaging their membranes (A)</p> Signup and view all the answers

Which type of immune cell precursor leaves the bone marrow and develops into a mature immune cell in the thymus?

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

What is the typical characteristic of neutrophils in response to infection?

<p>Undergo NETosis releasing extracellular traps (C)</p> Signup and view all the answers

Which primary lymphoid organ is responsible for adult immune cell development?

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

What differentiates embryonic stem cells from adult stem cells?

<p>Embryonic stem cells can differentiate into diverse cell types (C)</p> Signup and view all the answers

Which type of progenitor cells give rise to leukocytes in the innate immune system and red blood cells?

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

'Degranulation' refers to the process of releasing contents from the cytoplasmic granules of which type of myeloid cells?

<p>&quot;Polymorphonuclear Cells&quot; (B)</p> Signup and view all the answers

What do neutrophil extracellular traps (NETs) mainly contain?

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

What is the main function of basophils in the immune system?

<p>Release histamines during allergic reactions (B)</p> Signup and view all the answers

What differentiates adult hematopoietic stem cells (HSCs) from embryonic stem cells?

<p>Their multipotency giving rise to tissue-specific cell types (D)</p> Signup and view all the answers

What is the primary site for adult immune cell development in the body?

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

What is the primary focus of Lecture 2?

<p>Cells and Tissues of the Immune System (C)</p> Signup and view all the answers

Which statement best describes the procedure of vaccination according to the text?

<p>A procedure that induces an immune response. (B)</p> Signup and view all the answers

What is the main reason behind the short duration of immunity to the flu?

<p>Rapid changes in virus strains (mutations) (D)</p> Signup and view all the answers

Which of the following best differentiates Self from Non-self according to the provided reminder?

<p>Commensal bacteria and our own tissues/cells (B)</p> Signup and view all the answers

What differentiates the Adaptive immune system from the Innate immune system as per the provided lecture?

<p>Adaptive immune system is pathogen-specific while Innate immune system is fast-acting. (C)</p> Signup and view all the answers

What is the primary function of neutrophil extracellular traps (NETs) in the immune system?

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

What is the main function of monocytes in the immune system?

<p>Secrete cytokines regulating immune responses (D)</p> Signup and view all the answers

Which myeloid cell type has granules that contain proteins to harm pathogens, recruit immune cells, or remodel tissue?

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

What is the primary characteristic of neutrophils in response to infection?

<p>They release contents during infection (B)</p> Signup and view all the answers

What is the typical characteristic of eosinophils in the context of parasite infections?

<p>Damage parasite membranes (C)</p> Signup and view all the answers

Which primary lymphoid organ is responsible for adult immune cell development?

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

What is the main function of dendritic cells in the immune system?

<p>Present antigens to T cells (B)</p> Signup and view all the answers

'NETosis' refers to the process of neutrophils:

<p>Undergoing cell death and releasing extracellular traps containing DNA and proteins (D)</p> Signup and view all the answers

'Stromal cells' in the context of primary lymphoid tissue are responsible for:

<p>Maintaining the niche for immune cell development (C)</p> Signup and view all the answers

Where do HSCs (Hematopoietic Stem Cells) primarily reside in adults?

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

What differentiates embryonic stem cells from adult stem cells?

<p>Embryonic stem cells are pluripotent, while adult stem cells are multipotent. (C)</p> Signup and view all the answers

What are the progenitor cells that give rise to leukocytes in the innate immune system and red blood cells?

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

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