Podcast
Questions and Answers
What distinguishes a naïve lymphocyte from an activated lymphocyte?
What distinguishes a naïve lymphocyte from an activated lymphocyte?
- Naïve lymphocytes have lower numbers in the blood and lymph.
- Naïve lymphocytes have not encountered an antigen yet. (correct)
- Naïve lymphocytes have fewer lymphoid follicles.
- Naïve lymphocytes are found in the primary lymphoid organs only.
Where do lymphocytes primarily concentrate, apart from circulating in the blood and lymph?
Where do lymphocytes primarily concentrate, apart from circulating in the blood and lymph?
- In primary lymphoid organs
- In the liver
- In the lungs
- In secondary lymphoid organs (correct)
What is the function of germinal centers in the secondary lymphoid organs?
What is the function of germinal centers in the secondary lymphoid organs?
- Sites of rapidly dividing and differentiating B lymphocytes (correct)
- Removal of pathogens from blood
- Transportation of lymphocytes to primary lymphoid organs
- Filters of the lymph
What distinguishes high endothelial venules in secondary lymphoid organs?
What distinguishes high endothelial venules in secondary lymphoid organs?
Why are lymph nodes sometimes referred to as the 'filters of the lymph'?
Why are lymph nodes sometimes referred to as the 'filters of the lymph'?
How do bacteria that infect interstitial fluid reach regional lymph nodes?
How do bacteria that infect interstitial fluid reach regional lymph nodes?
What is the primary function of tonsils based on the text?
What is the primary function of tonsils based on the text?
Why are tonsils often removed in children with recurring throat infections?
Why are tonsils often removed in children with recurring throat infections?
Where is Mucosa-associated lymphoid tissue (MALT) found?
Where is Mucosa-associated lymphoid tissue (MALT) found?
What distinguishes Peyer’s patches within the small intestine?
What distinguishes Peyer’s patches within the small intestine?
What can a blockage of the lumen in MALT trigger?
What can a blockage of the lumen in MALT trigger?
What is the role of specialized endothelial cells known as M cells present in Peyer’s patches?
What is the role of specialized endothelial cells known as M cells present in Peyer’s patches?
What is the primary function of the spleen?
What is the primary function of the spleen?
Which cells are present in the subcapsular sinus of the lymph node as lymph enters?
Which cells are present in the subcapsular sinus of the lymph node as lymph enters?
What surrounds the germinal centers of rapidly dividing B cells in lymphoid follicles?
What surrounds the germinal centers of rapidly dividing B cells in lymphoid follicles?
What is the term used for lymph exiting the lymph node via specific vessels?
What is the term used for lymph exiting the lymph node via specific vessels?
What is the function of the red pulp in the spleen?
What is the function of the red pulp in the spleen?
Where are lymphoid nodules primarily located in the body?
Where are lymphoid nodules primarily located in the body?
What is the role of tonsils in developing immunity?
What is the role of tonsils in developing immunity?
