Ch. 12 assignment.docx

Ch. 12 assignment.docx - Katelyn Buchanan Sec 4 Grp 12...

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Katelyn Buchanan Sec. 4, Grp. 12 Chapter 12 Review Questions 1. The complement system can be activated only by antibodies. FALSE 2. Specific adaptive immune responses are accomplished by neutrophils. FALSE 4. Active immunity against a particular disease can be acquired only by actually having the disease. FALSE 5. A secondary response has a more rapid onset, is more potent, and has a longer duration than the primary response. TRUE 7. The complement system’s MEMBRANE ATACK COMPLEX forms a doughnut-shaped complex that embeds in a microbial surface membrane, causing osmotic lysis of the victim cell. 8. PUS is a collection of phagocytic cells, necrotic tissue, and bacteria 9. INFLAMMATION is the localized response to microbial invasion or tissue injury that is accompanied by swelling, heat, redness, and pain. 10. A chemical that enhances phagocytosis by serving as a link between a microbe and the phagocytic cell is known as an OPSONIN. 11. All the chemical messengers other than antibodies secreted by lymphocytes that regulate immune process are categorized as CYTOKINES. 12. PERFORIN molecules released by killer cells form pore-like channels that punch holes in a victim cell and GRANZYMES released by killer cells trigger apoptosis of victim cells.
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