BIO 2350 FINAL EXAM 2024/2025 WITH THE LATEST
AND UPDATED SCORE.
1) What is sepsis?-- Correct Answer ✔✔ refers to bacterial contamination
__ __ __ __ __ __ __ __ __
2) What is asepsis?-- Correct Answer ✔✔ absence of significant contamination
__ __ __ __ __ __ __ __ __
3) Where are aseptic techniques commonly seen?-- Correct Answer ✔✔ during
__ __ __ __ __ __ __ __ __ __
surgeries to prevent microbial contamination of wounds
__ __ __ __ __ __
4) What is sterilization?-- Correct Answer ✔✔ removing and destroying all
__ __ __ __ __ __ __ __ __ __
microbial life __
5) What is commercial sterilization?-- Correct Answer ✔✔ killing C. botulinum
__ __ __ __ __ __ __ __ __ __
endospores from canned goods __ __ __
6) What does C. botulinum cause?-- Correct Answer ✔✔ flaccid paralysis through
__ __ __ __ __ __ __ __ __ __ __
infection in wounds/the intestine and food poisoning
__ __ __ __ __ __
7) What is disinfection?-- Correct Answer ✔✔ destroying harmful microorganisms
__ __ __ __ __ __ __ __
8) What is antisepsis?-- Correct Answer ✔✔ destroying harmful microorganisms
__ __ __ __ __ __ __ __ __
from living tissue
__ __
9) What is the difference between antisepsis and disinfection?-- Correct Answer ✔✔
__ __ __ __ __ __ __ __ __ __
antisepsis destroys harmful organisms in living tissue, while disinfection destroys
__ __ __ __ __ __ __ __ __ __ __
harmful organisms all together, so it may be more intense
__ __ __ __ __ __ __ __ __
10) What is degerming?-- Correct Answer ✔✔ mechanical removal of microbes from
__ __ __ __ __ __ __ __ __ __ __
a limited area
__ __
, 11) What is sanitization?-- Correct Answer ✔✔ lowering microbial counts on eating
__ __ __ __ __ __ __ __ __ __ __
utensils to safe levels __ __ __
12) What is biocide/germicide?-- Correct Answer ✔✔ treatments that kill microbes
__ __ __ __ __ __ __ __ __
13) What is bacteriostasis?-- Correct Answer ✔✔ inhibiting, not killing microbes
__ __ __ __ __ __ __ __ __
14) What are the suffixes of antimicrobial agents that disrupt cell growth?-- Correct
__ __ __ __ __ __ __ __ __ __ __ __
Answer ✔✔ -static (inhibit cell growth), -cidal (kills microorganisms), -lytic
__ __ __ __ __ __ __ __ __ __
(performs lysis on organisms) __ __ __
15) What is a -static antimicrobial agent?-- Correct Answer ✔✔ agent that inhibits
__ __ __ __ __ __ __ __ __ __ __ __
cell growth __
16) What is a -cidal antimicrobial agent?-- Correct Answer ✔✔ agent that kills
__ __ __ __ __ __ __ __ __ __ __ __
microorganisms
17) What is a -lytic antimicrobial agent?-- Correct Answer ✔✔ agent that causes cell
__ __ __ __ __ __ __ __ __ __ __ __ __
lysis in microorganisms
__ __
18) What factors contribute to how effective treatments that kill microbes are?--
__ __ __ __ __ __ __ __ __ __ __
Correct Answer ✔✔ number of microbes, environment, time of exposure,
__ __ __ __ __ __ __ __ __ __
microbial characteristics __
19) What is thermal death point?-- Correct Answer ✔✔ lowest temperature at which
__ __ __ __ __ __ __ __ __ __ __
all cells in a liquid culture are killed in 10 mins
__ __ __ __ __ __ __ __ __ __ __
20) What is thermal death time?-- Correct Answer ✔✔ minimal time for all bacteria
__ __ __ __ __ __ __ __ __ __ __ __ __
in a liquid culture to be killed at a particular temperature
__ __ __ __ __ __ __ __ __ __
21) What is decimal reduction time?-- Correct Answer ✔✔ minutes to kill 90% of a
__ __ __ __ __ __ __ __ __ __ __ __ __ __
population at a given temperature __ __ __ __
AND UPDATED SCORE.
1) What is sepsis?-- Correct Answer ✔✔ refers to bacterial contamination
__ __ __ __ __ __ __ __ __
2) What is asepsis?-- Correct Answer ✔✔ absence of significant contamination
__ __ __ __ __ __ __ __ __
3) Where are aseptic techniques commonly seen?-- Correct Answer ✔✔ during
__ __ __ __ __ __ __ __ __ __
surgeries to prevent microbial contamination of wounds
__ __ __ __ __ __
4) What is sterilization?-- Correct Answer ✔✔ removing and destroying all
__ __ __ __ __ __ __ __ __ __
microbial life __
5) What is commercial sterilization?-- Correct Answer ✔✔ killing C. botulinum
__ __ __ __ __ __ __ __ __ __
endospores from canned goods __ __ __
6) What does C. botulinum cause?-- Correct Answer ✔✔ flaccid paralysis through
__ __ __ __ __ __ __ __ __ __ __
infection in wounds/the intestine and food poisoning
__ __ __ __ __ __
7) What is disinfection?-- Correct Answer ✔✔ destroying harmful microorganisms
__ __ __ __ __ __ __ __
8) What is antisepsis?-- Correct Answer ✔✔ destroying harmful microorganisms
__ __ __ __ __ __ __ __ __
from living tissue
__ __
9) What is the difference between antisepsis and disinfection?-- Correct Answer ✔✔
__ __ __ __ __ __ __ __ __ __
antisepsis destroys harmful organisms in living tissue, while disinfection destroys
__ __ __ __ __ __ __ __ __ __ __
harmful organisms all together, so it may be more intense
__ __ __ __ __ __ __ __ __
10) What is degerming?-- Correct Answer ✔✔ mechanical removal of microbes from
__ __ __ __ __ __ __ __ __ __ __
a limited area
__ __
, 11) What is sanitization?-- Correct Answer ✔✔ lowering microbial counts on eating
__ __ __ __ __ __ __ __ __ __ __
utensils to safe levels __ __ __
12) What is biocide/germicide?-- Correct Answer ✔✔ treatments that kill microbes
__ __ __ __ __ __ __ __ __
13) What is bacteriostasis?-- Correct Answer ✔✔ inhibiting, not killing microbes
__ __ __ __ __ __ __ __ __
14) What are the suffixes of antimicrobial agents that disrupt cell growth?-- Correct
__ __ __ __ __ __ __ __ __ __ __ __
Answer ✔✔ -static (inhibit cell growth), -cidal (kills microorganisms), -lytic
__ __ __ __ __ __ __ __ __ __
(performs lysis on organisms) __ __ __
15) What is a -static antimicrobial agent?-- Correct Answer ✔✔ agent that inhibits
__ __ __ __ __ __ __ __ __ __ __ __
cell growth __
16) What is a -cidal antimicrobial agent?-- Correct Answer ✔✔ agent that kills
__ __ __ __ __ __ __ __ __ __ __ __
microorganisms
17) What is a -lytic antimicrobial agent?-- Correct Answer ✔✔ agent that causes cell
__ __ __ __ __ __ __ __ __ __ __ __ __
lysis in microorganisms
__ __
18) What factors contribute to how effective treatments that kill microbes are?--
__ __ __ __ __ __ __ __ __ __ __
Correct Answer ✔✔ number of microbes, environment, time of exposure,
__ __ __ __ __ __ __ __ __ __
microbial characteristics __
19) What is thermal death point?-- Correct Answer ✔✔ lowest temperature at which
__ __ __ __ __ __ __ __ __ __ __
all cells in a liquid culture are killed in 10 mins
__ __ __ __ __ __ __ __ __ __ __
20) What is thermal death time?-- Correct Answer ✔✔ minimal time for all bacteria
__ __ __ __ __ __ __ __ __ __ __ __ __
in a liquid culture to be killed at a particular temperature
__ __ __ __ __ __ __ __ __ __
21) What is decimal reduction time?-- Correct Answer ✔✔ minutes to kill 90% of a
__ __ __ __ __ __ __ __ __ __ __ __ __ __
population at a given temperature __ __ __ __
