Flashcards in Chapter 22 Deck (20)
What destroys defective red blood cells and acts as a blood reservoir?
The immune system can directly respond to an antigen inside a cell. True or false
What are the two different types of inflammatory responses?
Local and systemic
Which statement is true about foreign antigens
They are not produced by the body.
They can trigger allergic reactions.
Both a and b
Which T-cell stimulates killer T-cells
Adenoids refer to enlarged
Memory of immunity can be described as
Ability to remember antigens
Increase susceptibility to phagocytosis
--blank-- immunity is genetically determined and present at birth
Adaptive immunity involves
All of the above
Thymosine is most important in
Lyse cells infected with viruses
Where are Peyer Patches found?
Distal half of small intestine and appendix
Proteins that protect the body against viral infections
The 3 main functions of the lymphatic system
Defense, lipid absorption, fluid balance
What tissue does not contain lymphatic vessels?
Central nervous system
Contains more red pulp than white
Why does the secondary response provide better protection than the primary response?
Antibodies are produced quickly and in greater amounts