Podcast
Questions and Answers
What is the function of innate host defences?
What is the function of innate host defences?
- Create a barrier to prevent the entry of microorganisms
- Respond to specific antigens
- Produce antibodies to fight infections
- Act against any invading agent without previous exposure (correct)
Which type of defence is considered the body's first line of defence?
Which type of defence is considered the body's first line of defence?
- Molecular defences
- Cellular defences
- Adaptive (specific) defences
- Innate (non-specific) defences (correct)
What are examples of innate host defences?
What are examples of innate host defences?
- Skin, enzymes, phagocytes, inflammation (correct)
- B-cells, cellular barriers, adaptive responses, cytokines
- Antibodies, antigens, fever, complement system
- Mucus membranes, interferons, saliva, T-cells
What distinguishes adaptive defences from innate defences?
What distinguishes adaptive defences from innate defences?
Which type of leukocyte is characterized by granular cytoplasm and irregular lobed nuclei, and is important for inflammation and allergic reactions?
Which type of leukocyte is characterized by granular cytoplasm and irregular lobed nuclei, and is important for inflammation and allergic reactions?
Which bodily substance acts as a barrier against intestinal pathogens due to its very low pH?
Which bodily substance acts as a barrier against intestinal pathogens due to its very low pH?
Which type of leukocyte increases during allergies and worm infections, and releases defensive chemicals against worms?
Which type of leukocyte increases during allergies and worm infections, and releases defensive chemicals against worms?
What type of lymphocytes are very important for adaptive immunity?
What type of lymphocytes are very important for adaptive immunity?
Which type of cells change and mature into macrophages that destroy microbes and other larger particles?
Which type of cells change and mature into macrophages that destroy microbes and other larger particles?
Which type of leukocytes are the major phagocytic cells that protect the skin, blood, and mucous membranes from infections?
Which type of leukocytes are the major phagocytic cells that protect the skin, blood, and mucous membranes from infections?
What is the main function of natural killer (NK) cells?
What is the main function of natural killer (NK) cells?
What bodily substance can flush microbes from the eyes and mouth?
What bodily substance can flush microbes from the eyes and mouth?
How is adaptive (acquired) immunity defined?
How is adaptive (acquired) immunity defined?
What characterizes naturally acquired adaptive immunity?
What characterizes naturally acquired adaptive immunity?
What distinguishes active immunity?
What distinguishes active immunity?
What represents artificially acquired adaptive immunity?
What represents artificially acquired adaptive immunity?
What is the main feature of innate immunity?
What is the main feature of innate immunity?
What distinguishes passive immunity?
What distinguishes passive immunity?
What is the main difference between naturally acquired active immunity and artificially acquired active immunity?
What is the main difference between naturally acquired active immunity and artificially acquired active immunity?
What is the role of hapten in eliciting an immune response?
What is the role of hapten in eliciting an immune response?
What is the function of antibodies in the immune system?
What is the function of antibodies in the immune system?
What is the main function of the lymphatic system?
What is the main function of the lymphatic system?
Which statement accurately describes antigens?
Which statement accurately describes antigens?
What characterizes artificially acquired passive immunity?
What characterizes artificially acquired passive immunity?
What distinguishes passive immunity from active immunity?
What distinguishes passive immunity from active immunity?
What is the definition of an epitope?
What is the definition of an epitope?
What type of leukocytes are characterized by granular cytoplasm and irregular lobed nuclei, and are important for inflammation and allergic reactions?
What type of leukocytes are characterized by granular cytoplasm and irregular lobed nuclei, and are important for inflammation and allergic reactions?
What is a hapten and how does it interact with proteins?
What is a hapten and how does it interact with proteins?
