BBH 432 EXAM 3 STUDY QUESTIONS AND CORRECT ANSWERS
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Course
BBH 432
Institution
BBH 432
Immune system a set of physiological defenses that protect us
Non-specific immunity involves inflammation and wbc
Specific immunity involves luekocytes
Types of wbcs phagocytes and macrophages and nk cells
Interferons proteins that is a part of a class of signaling proteins called cytokines
Cy...
BBH 432 EXAM 3 STUDY QUESTIONS
AND CORRECT ANSWERS
Immune system ✅a set of physiological defenses that protect us
Non-specific immunity ✅involves inflammation and wbc
Specific immunity ✅involves luekocytes
Types of wbcs ✅phagocytes and macrophages and nk cells
Interferons ✅proteins that is a part of a class of signaling proteins called cytokines
Cytokines ✅think messengers, can be pro or non inflam (is a positive feeback loop)
Inflamatory response ✅1. Damage to tissue occurs
2. Receptors sense damage
3. Histamines are released
4. Blood vessels dialate and allow for absorption of wbcs
5. Cytokines are released which promote further inflammation
Specific immune response can be ✅more effective but also takes more time and
energy
Leukocytes ✅found in the lymph of the body
B cells ✅memory cells, produce antibodies and immunoglobulins
Immune organs ✅bone marrow
Thymus
Lymphatic system
Spleen
What does the bone marrow make ✅wbcs
What does the thymus do ✅train t cells and exposes them to anitgens
What does the spleen do ✅filters blood
What does the lympathic system do? ✅contains lymph, which is a clear fluid that has
most of the immune cells, lymph nodes
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