Organs and Cells of the Immune System Objectives Quiz
23 Questions
3 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the primary function of the thymus gland?

  • To produce antibodies
  • To store fat in the body
  • To generate and mature T cells (correct)
  • To produce red blood cells

Which type of bone marrow is the site of hematopoiesis and the origin of B cells in humans?

  • Trabecular bone
  • Yellow marrow
  • Cortical bone
  • Red marrow (correct)

What is the primary function of lymph nodes?

  • To sample antigens from the lymph and mount an immune response (correct)
  • To store fat
  • To produce red blood cells
  • To filter blood

Which structure within a lymph node is the site of intense B cell proliferation?

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

What percentage of the total body mass in humans is typically occupied by bone marrow?

<p>4% (B)</p> Signup and view all the answers

How does the thymus gland change in size as people age?

<p>The thymus gland reaches its maximum size at puberty and then atrophies (D)</p> Signup and view all the answers

What is the function of eosinophils?

<p>Ending allergic reactions (A)</p> Signup and view all the answers

Which leukocyte type is the rarest?

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

What is the function of neutrophils?

<p>Phagocytosis of bacteria (A)</p> Signup and view all the answers

Which leukocyte type has pink granules in its cytoplasm?

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

What is the artificial division of leukocytes into granulocytes and agranulocytes based on?

<p>Presence of granules in the cytoplasm (A)</p> Signup and view all the answers

Which leukocyte type has a role in fighting parasitic infections?

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

Which of the following is NOT a part of the lymph node structure?

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

Which of the following statements about the spleen is correct?

<p>Blood enters the spleen through sinusoids. (A)</p> Signup and view all the answers

Which of the following is NOT a function of cutaneous and mucosal lymphoid organs?

<p>Responsible for the production of red blood cells (A)</p> Signup and view all the answers

Which of the following is the correct order of structures in a lymph node, from outermost to innermost?

<p>Capsule, trabecula, medullary cords, follicles (D)</p> Signup and view all the answers

What is the function of the marginal zone in the spleen?

<p>To trap and concentrate blood-borne antigens (B)</p> Signup and view all the answers

Which of the following is NOT a primary lymphoid organ?

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

What is the primary function of lymph nodes?

<p>Collecting antigens from tissues (C)</p> Signup and view all the answers

Which of the following is NOT an innate immune cell?

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

What is the primary function of the spleen?

<p>Collecting antigens from the bloodstream (C)</p> Signup and view all the answers

Which of the following is a mucosal immune system component?

<p>Peyer's patches (B)</p> Signup and view all the answers

What is the primary function of the thymus?

<p>Development of T cells (D)</p> Signup and view all the answers

More Like This

Use Quizgecko on...
Browser
Open
Browser
Browser