ANAEROBIC INFECTIONS AND STD COMPLETE ACTUAL
TEST QUESTIONS AND WELL ELABORATED ANSWERS
(100% CORRECT VERIFIED ANSWERS) A NEW UPDATED
VERSION |ALREADY GRADED A+ (FULL REVISED EXAM)
Gram Negative Enteric Bacteria (8) - ANSWER: Echerichia coli
Klebsiella
Proteus
Citrobacter
Serratia
Enterobacter
Morganella
Salmonella
Aerobic Lactose Fermenting Enterobacteriaceae (5) - ANSWER: Citrobacter spp.
Enterobacter spp.
E. coli
Klebsiella spp.
Serratia spp.
Aerobic Non-Lactose Fermenting Enterobacteriaceae (4) - ANSWER: E. coli (rare)
Proteus spp.
Salmonella spp.
Shigella spp.
What is the predominant species of gram-negative bacilli (GNB) in the colonic flora? -
ANSWER: E. coli
What is the most common cause of septic shock? - ANSWER: Enterobacteriaceae
What is the most prominent Klebsiella species? - ANSWER: K. pneumoniae
Implications (3) of Klebsiella - ANSWER: community-acquired
LLTCF-acquired
nosocomial infections
Proteus ________ causes 90% of Proteus infections - ANSWER: mirabilis
_______ ________ is the most common site of Proteus infection - ANSWER: urinary
tract
Most commonly seen species (2) of Enterobacter - ANSWER: cloacae
aerogenes
, Infections (5) Enterobacter is known to cause - ANSWER: pneumonia
UTI (catheter-related)
intravascular device-related infection
surgical site infection
abdominal infection
Serratia _______ causes the majority of infections - ANSWER: marcescens
What is usually considered the causative agent of health care-associated infection -
ANSWER: S. marcescens
C. _________ and Citrobacter ________ cause most human Citrobacter infections -
ANSWER: freundii
koseri
Broad spectrum B-lactamases mediate resistance to many ___________ and
________ generation cephalosporins - ANSWER: penicillins
first
Broad-spectrum B-lactamases are inhibited by B-lactamases inhibitors or
___________ - ANSWER: cephamycins
Extended-spectrum B-lactamases (ESBLs) confer resistance to (5) - ANSWER:
penicillins
1st generation cephalosporins
3rd generation cephalosporins
aztreonam
4th generation cephalosporins
ESBLs are most prevalent in (3) - ANSWER: K. pneumoniae
K. oxytoca
E. coli
__________ are the most reliably active B-lactam agents - ANSWER: Carbapenems
Carbapenemases (KPC) are resistant to the same drugs as ESBLs and also ________
and ___________ - ANSWER: cephamycins
carbapenems
Most reliable options (4) for Enterobacteriaceae empiric therapy - ANSWER:
carbapenems
aminoglycosides
4th generation cephalosporins
piperacillin-tazobactam
Most ESBL-producing enteric GNB are also resistant to ______________ - ANSWER:
fluoroquinolones