Chapter 22 Flashcards
The immune system can directly respond to an antigen inside a cell. True or false
False
What destroys defective red blood cells and acts as a blood reservoir?
Spleen
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
Helper
Adenoids refer to enlarged
Pharyngeal tonsils
Memory of immunity can be described as
Ability to remember antigens
Opsonins
Increase susceptibility to phagocytosis
–blank– immunity is genetically determined and present at birth
Innate
Adaptive immunity involves
Antibodies
Cytotoxic T-cells
Regulatory T-cells
All of the above
Thymosine is most important in
T-cell maturation
Cytotoxic T-cells
Lyse cells infected with viruses
Where are Peyer Patches found?
Distal half of small intestine and appendix
Interferons
Proteins that protect the body against viral infections
WBC are
Leukocytes
The 3 main functions of the lymphatic system
Defense, lipid absorption, fluid balance
What tissue does not contain lymphatic vessels?
Central nervous system
The spleen
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
Specificity is an ability of
Adaptive immunity