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WGU D311 Endotoxins And Exotoxins Section 1 Lesson 3: Q’s And A’s
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WGU D311 Endotoxins And Exotoxins Section 1 Lesson 3: Q’s And A’s
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WGU D311 Endotoxins And Exotoxins Section 1 Lesson3: Q’s And A’s
bacteriemia Right Ans - presence of bacteria in the blood
pyemia Right Ans - the presence of pus-forming organism in the blood
Viremia Right Ans - viruses in the blood
toxemia Right Ans - toxins in the blood
septicemia Right Ans - growth of bacteria in the blood
septic Right Ans - patients with septicemia
shock Right Ans - a life-threatening decrease in blood pressure (systolic
pressure <90 mm Hg) that prevents cells and organs from receiving enough
oxygen and nutrients
Exoenzymes Right Ans - extracellular enzymes that pathogens produce to
invade deeper into host tissues
glycohydrolases example (Hyaluronidase S in Staphylococcus aureus)
Right Ans - degrades hyaluronic acid that cements cells together to promote
spreading through tissues
nucleases example (DNAse produced by S. aureus) Right Ans - degrades
DNA released by dying cells (bacteria and host cells) that can trap the
bacteria, thus promoting the spread
phospholipase (Phospholipase C of bacillus anthracis) Right Ans - degrades
phospholipid bilayer of host cells, causing cellular lysis, and degrade
membrane of phagosomes to enable escape into the cytoplasm
proteases (collagenase of clostridium perfringens) Right Ans - degrade
collagen in connective tissue to promote spread
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