Latest 2023 BIOS 242 Exam 3 Study Guide
Fundamentals of Microbiology with Lab - Chamberlain
Host's first line of defense - innate (nonspecific) ✓ Physical barriers
✓ Chemical barriers
Host's second line of defense - innate (nonspecific) ✓ Phagocytosis
✓ Inflammation
✓ Fever
✓ Antimicrobial proteins
Host's third line of defense - acquired (specific) ✓ B cells
✓ T cells
Function of eosinophils ✓ Attracted to sites of parasitic infection; plays a minor phagocytic role in antigen (antibody reactions) 1 / 2
Function of monocytes ✓ Largest of all white blood cells; 3-7% of circulation; cytoplasm holds granules containing digestive enzymes; discharged by bone marrow into bloodstream
Function of macrophages ✓ Monocytes that have left the blood circulation; long-lived and able to multiply; among most versatile and important of cells
Function of neutrophils ✓ React early in inflammatory response to bacteria, foreign materials and damaged tissue; common sign of bacterial infection is high neutrophil count
Function of basophils ✓ Play a part in immune surveillance; release the histamine in their granules during an allergic reaction or asthma attack.
Five signs of inflammation ✓ Rubor
✓ Color
✓ Tumor
✓ Dolor
✓ Loss of function
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