MLT 106 Unit 7 Exam Questions and Answers
with Verified Solutions | Latest Updated 2026
increase in CO2 (5-10%), reduced capnophilic
O2
(15%)
oxygen reduced to 5% or less microaerophilic
killed in the presence of oxygen obligate (strict) anaerobes
obligate anaerobes do not have superoxidase dismutase
_____________ or catalase
_____________ enzymes to
protect them, which is why oxygen
kills them (aerobes do)
organism from outside of the body exogenous
that was ingested or gained
entrance
through trauma
examples of exogenous organisms Clostridium
Sarcina
Fusobacterium
, organism from within the body that endogenous
is
in the wrong place becoming
source
of infection
most commonly seen cause of B. fragilis group
bacteremia
myonecrosis is commonly seen as Clostridium perfringens
a
result of
causative agent of food poisoning Clostridium perfringens
Propionibacterium is normal flora skin
of
_____________, NOT in GI tract
Clostridium is normal flora of GI tract
_____________, NOT on skin
instances in which bacteria is able bite wounds
to aspiration of oral flora into deep lung
gain entry and have ideal oral surgery
conditions puncture wounds or burns w/ soil contam
for a perfect growth environment
(predispose patient to anaerobic
infection)
with Verified Solutions | Latest Updated 2026
increase in CO2 (5-10%), reduced capnophilic
O2
(15%)
oxygen reduced to 5% or less microaerophilic
killed in the presence of oxygen obligate (strict) anaerobes
obligate anaerobes do not have superoxidase dismutase
_____________ or catalase
_____________ enzymes to
protect them, which is why oxygen
kills them (aerobes do)
organism from outside of the body exogenous
that was ingested or gained
entrance
through trauma
examples of exogenous organisms Clostridium
Sarcina
Fusobacterium
, organism from within the body that endogenous
is
in the wrong place becoming
source
of infection
most commonly seen cause of B. fragilis group
bacteremia
myonecrosis is commonly seen as Clostridium perfringens
a
result of
causative agent of food poisoning Clostridium perfringens
Propionibacterium is normal flora skin
of
_____________, NOT in GI tract
Clostridium is normal flora of GI tract
_____________, NOT on skin
instances in which bacteria is able bite wounds
to aspiration of oral flora into deep lung
gain entry and have ideal oral surgery
conditions puncture wounds or burns w/ soil contam
for a perfect growth environment
(predispose patient to anaerobic
infection)
