Ch 7, 8, 9 SG Flashcards
cephalosporines have about a 10% cross-hypersensitivity with
penicillin
milk should not be given concomitantly with
tetracyclines
what can prolong penicillin’s effet?
probenecid
the overgrowth of an organism that was not present when the tx of an infection began is termed
superinfection
pts who are given metronidazole should be warned about
alcohol
they should not have alcohol
what condition does a patient who is taking isoniazid and rifampin have
tuberculosis
blue-pigmented oral lesions in adults and vestibular dysfunction are associated with
minocycline
what could be given to a patient before root planning when the patient has a history of infective endocardititis, is allergic to penicillin, and has severe gatric upset with erythromycin
clindamycin
cardiac dose of epinephrine is
0.04
an advantage of the amide over the ester local anesthetics
lack of allergenicity
macrolids include
erythromycin
azithromycin
clarithromycin
patient has had an artificial hip replacement for 10 years without any problems. what should this patient take an hour before appointment for oral prophylaxis
nothing
if bacteriostatic and bacteriocidal agents are given concomitantly, one might expect
they cancel eachother out
which two have excellent anaerobic coverage
metronidazole
clindamycin
major problem with use of erythromycin
GI effects
agent produces a statistically significant change in duration of recurrent herpes simplex lesions in the immunocompenent patient
penciclovir
antibiotic associated colitis is most closly associated with
clindamycin
usful in tx of oral candididiasis
clotrimazole
pt who has taken tetracycline exhibits white patchy oral lesions that bleed when they are scraped. what should be used to tx these lesions
nystatin
essentially ineffective against anaerobic bacteria
erythromycin
theophylline toxicity may result if a patient aleardy taking theophylline is given
erythromycin
which dosage form of nystatin is the least cariogenic (has lowest sugar content)?
vaginal tablet
penicillin has a ____ spectrum of action and tetracyclin has a ____ spectrum of action
narrow
wide
what is resistant to penicillinase
augmentin
if a patient is allergic to penicillin, there is a 10% cross-hypersensitivity to
cephalosporines
which should be avoided in the tx of a patient with alcoholism?
metronidazole
which drug should be used before an oral prophylaxis for a patient who has rheumatic heart disease
amoxicillin
pt who is allergic to penicillin will have an allergic reaction to which of the following drugs
cephalexin