Podcast
Questions and Answers
What is the term used for the third line of defense in the immune system?
What is the term used for the third line of defense in the immune system?
Which cells produce antibodies against specific antigenic fragments?
Which cells produce antibodies against specific antigenic fragments?
What type of immunity involves the production of memory cells for long-term protection?
What type of immunity involves the production of memory cells for long-term protection?
Which cells carry out the adaptive immune responses?
Which cells carry out the adaptive immune responses?
Signup and view all the answers
What is the process called when hematopoietic stem cells divide and differentiate to give rise to blood cells?
What is the process called when hematopoietic stem cells divide and differentiate to give rise to blood cells?
Signup and view all the answers
Which type of immunity provides a rapid response but is not long-lasting?
Which type of immunity provides a rapid response but is not long-lasting?
Signup and view all the answers
Which white blood cells are known for their role in destroying infected or cancerous cells?
Which white blood cells are known for their role in destroying infected or cancerous cells?
Signup and view all the answers
Which term describes the ability of hematopoietic stem cells to give rise to several different types of cells?
Which term describes the ability of hematopoietic stem cells to give rise to several different types of cells?
Signup and view all the answers
Macrophages have a primary role in immunity, functioning as first responders when a virus, bacterium, or allergen enters the bloodstream.
Macrophages have a primary role in immunity, functioning as first responders when a virus, bacterium, or allergen enters the bloodstream.
Signup and view all the answers
Macrophages prevent Malaria progression by destroying infected platelets.
Macrophages prevent Malaria progression by destroying infected platelets.
Signup and view all the answers
Phagocytosis is a process carried out by macrophages to engulf and digest foreign particles.
Phagocytosis is a process carried out by macrophages to engulf and digest foreign particles.
Signup and view all the answers
There are two types of macrophages based on morphological characteristics: Small Macrophages and Large Granular Macrophages.
There are two types of macrophages based on morphological characteristics: Small Macrophages and Large Granular Macrophages.
Signup and view all the answers
Lymphocytes account for about 2% of the total body weight in humans.
Lymphocytes account for about 2% of the total body weight in humans.
Signup and view all the answers
Leukocytosis is characterized by an elevated lymphocyte count in response to a bacterial infection.
Leukocytosis is characterized by an elevated lymphocyte count in response to a bacterial infection.
Signup and view all the answers
Large Granular Lymphocytes have a higher nucleus to cytoplasm ratio compared to Small Lymphocytes.
Large Granular Lymphocytes have a higher nucleus to cytoplasm ratio compared to Small Lymphocytes.
Signup and view all the answers
The majority of lymphocytes in circulation are Large Granular Lymphocytes.
The majority of lymphocytes in circulation are Large Granular Lymphocytes.
Signup and view all the answers
Macrophages are produced in primary lymphoid organs like the thymus and bone marrow at a rate of 10^9 per day.
Macrophages are produced in primary lymphoid organs like the thymus and bone marrow at a rate of 10^9 per day.
Signup and view all the answers
In adults, lymphocytes represent about 20-40% of the total white blood cells present in circulation.
In adults, lymphocytes represent about 20-40% of the total white blood cells present in circulation.
Signup and view all the answers
