Infection Disease Second Chance Exam - Intro Lecture
What does a catalase test determine?
E.coli vs Pseudomonas
Staphylococcus vs. Streptococcus
Gram negative vs Gram Positive
The catalase test differentiates between:
Gram negative cocci
Gram positive cocci
Gram negative bacili
Gram positive bacili
When performing a catalase test, staphylococcus will be:
Catalase positive
Catalase negative
Cannot determine
What bacteria produces coagulase enzymes?
Staphylococcus aureus
Streptococcus
Pseudomonas aeruginosa
Staphylococcus epidermidis
Which Staph species is coagulase negative
Staphylococcus epidermidis
Staphylococcus aureus
Streptococcus species are: SELECT ALL THAT APPLY
Gram positive
Aerobic
Cocci
Catalase negative
Gram negative
Anaerobic
Bacili
Catalase positive
What is an example of alpha-hemolytic streptococci? (SELECT ALL THAT APPLY)
Streptococcus pneumonia
Viridans group Streptococci
Group A S. pyogenes
What is an example of beta-hemolytic streptococci?
Streptococcus pneumonia
Viridans group Streptococci
Group A S. pyogenes
What is an example of non-hemolytic strep?
Group D. Strep. Bovis
Group A S. pyogenes
Strep pneumonia
Gram Positive and Anaerobic cocci?
Peptostreptococcus species
Clostridium difficile
Gram Positive and Anaerobic bacilli?
Peptostreptococcus species
Clostridium difficile
Which of the following are gram negative bacilli? SELECT ALL THAT APPLY
Escherichia coli
Klebsiella pneumoniae
Pseudomonas aeruginosa
Acinetobacter baumannii
Enterobacter species & Shigella
Neisseria meningitidis
Which of the following are gram negative cocci? SELECT ALL THAT APPLY
Neisseria meningitidis
Escherichia coli
Klebsiella pneumoniae
Pseudomonas Aeruginosa is non-lactose fermenting and oxidase postive
True
False
Salmonella, Shigella, Proteus, and Acinetobacter are non-lactose fermenting and oxidase negative
True
False
E.Coli and Klebsiellaare lactose-fermenting
True
False
What is the most clinically relavent bacteroides species?
B. fragilis
B. bovis
B. viridens
Which of the following are influential patient factors? SELECT ALL THAT APPLY
Immune function
Organ function
Allergies
Dosing
Which of the following are influential antimicrobial factors? SELECT ALL THAT APPLY
Dosing
PK/PD
Spectrum of Activity
Therapeutic monitoring
Pathogens present
Combo therapy
Which of the following are influential infection factors? SELECT ALL THAT APPLY
Infection site
Pathogens present
Combo therapy
Duration of therapy
Toxicity
Which beta-lactams require renal dosing? SELECT ALL THAT APPLY
Penicillins
Cephalosporins
Carbapenams
Monobactam
Ceftriaxone
Nafcillin
Dixcloxacillin
Which FQs require renal dosing? SELECT ALL THAT APPLY
Cipro
Levo
Moxi
Which antibiotics require renal adjustment?
Clarithromycin
Bactrim
Gentamycin
Azithromycin
Erythromycin
Tetracyclin
Daptomycin
Vancomycin
Linezolid
Metronidazole
Clinical signs of an idiopathic reaction include:
Time of onset > 72 hours
Maculopapular eruptions
Pruritis
Time of onset < 1 hour
Hypotension
Urticaria
Allergies to semi-synthetic pencillins are directed against:
Side chains
Beta-lactam ring
Definitive antibiotic therapy cannot be provided until: (SELECT ALL THAT APPLY)
Gram stain
Shape & Growth pattern identified
Antibiotic susceptibility determined
Site of infection determined
Penicillinase led to:
MSSA
MRSA
VRSA
VISA
Change in PBP via mecA gene led to:
MSSA
MRSA
VRSA
VISA
Van A gene transfer from VRE led to:
MSSA
MRSA
VRSA
VISA
MIC Creep led to:
MSSA
MRSA
VRSA
VISA
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