Lec 5 Flashcards
Describe what carbapenems are
Bactericidal beta-lactam antimicrobials with proven efficacy in severe infections caused by extended spectrum beta-lactamase producing bacteria
you would typically be at risk of an infection caused by Acinetobacter baumannii in what environment?
hospitals/healthcare setting
what infections does Acinetobacter baumannii cause?
pneumonia, UTI, bloodstream infections
where can Acinetobacter baumannii colonize?
skin, respiratory tract, wounds
Enterobacteriaceae are gram + or -?
gram -
Klebsiella pneumoniae are gram + or -?
gram -
T/F Klebsiella pneumoniae can be spread through person-person contact
true
Escherichia coli are gram + or -?
gram -
hemolytic uremic syndroms “spinach infections” is caused by what?
EHEC
which pathogenic type of e. coli causes meningitis?
NMEC
Clostridioides difficile are gram + or -?
gram +
T/F Clostridioides difficile colonize the GI tract
True
the second most commonly reported infectious disease(s) in the US is:
a. gonorrhea
b. chlamydia
c. infections caused by antibiotic resistant C. difficile
d. B and C
e. infections caused by carbapenem-resistant Enterobacteriaceae
a
thermal dimorphism is:
a. typical for some pathogenic fungi
b. an adaptation that involves a transition from mold form at 25 degrees C and a yeast phase at 37 degress C
c. typical for protozoa causing malaria
d. typical only for Toxoplasma
e. A and B
e
the essential feature(s) of ideal probiotics is (are):
a. non-pathogenic; adherent to human intestinal cells
b. non-toxic, persistent in the GI tract
c. human origin
d. B and C
e. all answers are correct
a
Which of the following is a gram-positive and anaerobic bacterium that is directly related to antibiotic use and resistance and causes the most significant number of deaths ins the US?
a. clostridium difficile
b. klebsiella pneumoniae
c. neisseria gonorrhoeae
d. EHEC
e. NMEC
a
what part of endotoxin is toxic?
a. O-antigen
b. core
c. capsule
d. Lipid A
e. pilus
c
the only pathogenic fungus with developed characteristic thick capsule is: a. Histoplasma capsulatum b. Sporothrix schenkil c. cryptococcus neoformans d. black piedra e candida
c
