BIO 2350 FINAL EXAM WITH THE LATEST AND UPDATED SCORE

BIO 2350 FINAL EXAM 2024/2025 WITH THE LATEST
AND UPDATED SCORE.


1) What is sepsis?-- Correct Answer ✔✔ refers to bacterial contamination
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2) What is asepsis?-- Correct Answer ✔✔ absence of significant contamination
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3) Where are aseptic techniques commonly seen?-- Correct Answer ✔✔ during
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surgeries to prevent microbial contamination of wounds
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4) What is sterilization?-- Correct Answer ✔✔ removing and destroying all
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microbial life __




5) What is commercial sterilization?-- Correct Answer ✔✔ killing C. botulinum
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endospores from canned goods __ __ __




6) What does C. botulinum cause?-- Correct Answer ✔✔ flaccid paralysis through
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infection in wounds/the intestine and food poisoning
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7) What is disinfection?-- Correct Answer ✔✔ destroying harmful microorganisms
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8) What is antisepsis?-- Correct Answer ✔✔ destroying harmful microorganisms
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from living tissue
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9) What is the difference between antisepsis and disinfection?-- Correct Answer ✔✔
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antisepsis destroys harmful organisms in living tissue, while disinfection destroys
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harmful organisms all together, so it may be more intense
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10) What is degerming?-- Correct Answer ✔✔ mechanical removal of microbes from
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a limited area
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, 11) What is sanitization?-- Correct Answer ✔✔ lowering microbial counts on eating
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utensils to safe levels __ __ __




12) What is biocide/germicide?-- Correct Answer ✔✔ treatments that kill microbes
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13) What is bacteriostasis?-- Correct Answer ✔✔ inhibiting, not killing microbes
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14) What are the suffixes of antimicrobial agents that disrupt cell growth?-- Correct
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Answer ✔✔ -static (inhibit cell growth), -cidal (kills microorganisms), -lytic
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(performs lysis on organisms) __ __ __




15) What is a -static antimicrobial agent?-- Correct Answer ✔✔ agent that inhibits
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cell growth __




16) What is a -cidal antimicrobial agent?-- Correct Answer ✔✔ agent that kills
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microorganisms

17) What is a -lytic antimicrobial agent?-- Correct Answer ✔✔ agent that causes cell
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lysis in microorganisms
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18) What factors contribute to how effective treatments that kill microbes are?--
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Correct Answer ✔✔ number of microbes, environment, time of exposure,
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microbial characteristics __




19) What is thermal death point?-- Correct Answer ✔✔ lowest temperature at which
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all cells in a liquid culture are killed in 10 mins
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20) What is thermal death time?-- Correct Answer ✔✔ minimal time for all bacteria
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in a liquid culture to be killed at a particular temperature
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21) What is decimal reduction time?-- Correct Answer ✔✔ minutes to kill 90% of a
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population at a given temperature __ __ __ __