SURG 1223: EXAM 3 QUESTIONS AND
COMPLETE ANSWERS
Which category of mutagen includes aerosolized particles in surgical laser smoke
plume? - ANSWER biological
Which term describes a congregation of bacteria into communities of nearly solid slimy
mass that cover organic or inorganic surfaces and are resistant to methods of
decontamination? - ANSWER Biofilms
Similar to spore formation in certain types of bacteria, which eukaryotic microbes are
able to remain dormant by forming a protective cyst when environmental conditions are
unfavorable? - ANSWER protozoa
Which term describes a plasmid or chromosome small circle of DNA that is capable of
creating new copies of itself? - ANSWER replicon
Which of the following is the chief substance of the cell walls of molds, and the same
organic substance that encases insects with an exoskeleton? - ANSWER Chitin
Which term describes solutions in which the concentration of solutes is equal both
inside and outside the cell? - ANSWER Isotonic
Which cellular structures are present only in eukaryotic cells and are key elements of
mitosis? - ANSWER Centrioles
Which type of eukaryotic microbes are responsible for "blooms" in bodies of water and
pond scum? - ANSWER Diatoms
The formation of biofilms depends primarily on which of the following? - ANSWER
Quorum Sensing
COMPLETE ANSWERS
Which category of mutagen includes aerosolized particles in surgical laser smoke
plume? - ANSWER biological
Which term describes a congregation of bacteria into communities of nearly solid slimy
mass that cover organic or inorganic surfaces and are resistant to methods of
decontamination? - ANSWER Biofilms
Similar to spore formation in certain types of bacteria, which eukaryotic microbes are
able to remain dormant by forming a protective cyst when environmental conditions are
unfavorable? - ANSWER protozoa
Which term describes a plasmid or chromosome small circle of DNA that is capable of
creating new copies of itself? - ANSWER replicon
Which of the following is the chief substance of the cell walls of molds, and the same
organic substance that encases insects with an exoskeleton? - ANSWER Chitin
Which term describes solutions in which the concentration of solutes is equal both
inside and outside the cell? - ANSWER Isotonic
Which cellular structures are present only in eukaryotic cells and are key elements of
mitosis? - ANSWER Centrioles
Which type of eukaryotic microbes are responsible for "blooms" in bodies of water and
pond scum? - ANSWER Diatoms
The formation of biofilms depends primarily on which of the following? - ANSWER
Quorum Sensing
