Cells, Tissues and Organs of the Immune System - Lecture 2
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Cells, Tissues and Organs of the Immune System - Lecture 2

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Questions and Answers

What is the main topic of Lecture 2 in the course?

Cells and Tissues of the Immune System

Which statement best describes vaccination?

A procedure that induces an immune response.

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

Due to rapid changes in virus strains (mutations).

True or False: The Adaptive immune system is fast-acting while the Innate immune system is pathogen-specific.

<p>False</p> Signup and view all the answers

According to the reminder provided, what does 'Self' refer to in the context of immunity?

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

When are Professor Mahtani's office hours?

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

Where does hematopoiesis occur?

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

What type of stem cells give rise to all cell types in the body?

<p>Embryonic stem cells</p> Signup and view all the answers

Which primary lymphoid organ is responsible for the development of a specific immune cell precursor into a mature immune cell?

<p>Thymus</p> Signup and view all the answers

What progenitor cells give rise to lymphocytes in the immune system?

<p>Lymphoid progenitor</p> Signup and view all the answers

Which type of leukocytes are important for innate immunity?

<p>Macrophages</p> Signup and view all the answers

Which primary lymphoid organ is a site of immune cell development and was initially thought to be a useless organ?

<p>Thymus</p> Signup and view all the answers

Which type of cells maintain the niche for immune cell development?

<p>Stromal cells</p> Signup and view all the answers

Which leukocytes arise from myeloid progenitor cells?

<p>(Polymorphonuclear) Granulocytes</p> Signup and view all the answers

What do granulocytes release during infection?

<p>Degranulation</p> Signup and view all the answers

Which type of stem cells have the ability to differentiate into diverse and mature cell types with specialized function?

<p>Hematopoietic stem cells</p> Signup and view all the answers

What is the main focus of Lecture 2 in the course?

<p>Immune system cells and tissues</p> Signup and view all the answers

Which type of cells maintain the niche for immune cell development?

<p>Mesenchymal stromal cells</p> Signup and view all the answers

What is the impact of rapid changes in virus strains (mutations) on flu immunity and vaccination?

<p>Vaccination only provides short-term protection due to strain mutations</p> Signup and view all the answers

Which primary lymphoid organ is responsible for the development of a specific immune cell precursor into a mature immune cell?

<p>Thymus</p> Signup and view all the answers

What do granulocytes release during infection?

<p>Histamine</p> Signup and view all the answers

What progenitor cells give rise to lymphocytes in the immune system?

<p>Lymphoid progenitor cells</p> Signup and view all the answers

Which type of immune response can be lifelong?

<p>Immunological Memory</p> Signup and view all the answers

Where do adult immune cells develop?

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

Which type of stem cells give rise to tissue-specific cell types?

<p>Adult stem cells</p> Signup and view all the answers

Which primary lymphoid organ was initially thought to be a useless organ?

<p>Thymus</p> Signup and view all the answers

Which progenitor cells give rise to lymphocytes in the immune system?

<p>Lymphoid progenitor</p> Signup and view all the answers

What type of cells maintain the niche for immune cell development?

<p>Stromal cells</p> Signup and view all the answers

What type of leukocytes arise from myeloid progenitor cells?

<p>Basophils</p> Signup and view all the answers

Which type of leukocytes are important for innate immunity?

<p>Neutrophils</p> Signup and view all the answers

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