Exam (elaborations)
NR 566 WEEK #1 STUDY GUIDE EXAM QUESTIONS AND ANSWERS
- Course
- Institution
NR 566 WEEK #1 STUDY GUIDE EXAM QUESTIONS AND ANSWERS
[Show more]
Content preview
NR 566 WEEK #1 STUDY GUIDE EXAMQUESTIONS AND ANSWERS
What are the major antibiotic drug classes - Answer-Beta-lactams: penicillins
Beta-lactams: Cephalosporins
fluoroquinolones
tetracyclines and macrolides
sulfonamides, trimethoprim, &nitrofurantoin
What is the primary goal of antibiotic therapy - Answer-kill bacteria without harming host
tissue
Bactericidal antibiotics - Answer-directly kill bacteria
bacteriostatic antibiotics - Answer-Antibiotics that do not actually kill bacteria but rather
inhibit bacterial proliferation while the hosts immune system does the killing
which antibiotics are preferred for immunocompromised patients: bactericidal or
bacteriostatic - Answer-bactericidal
which antibiotics are preferred for patients with an overwhelming infection: bactericidal
or bacteriostatic - Answer-bactericidal
broad spectrum antibiotics - Answer-affect a broad range of gram-positive or gram-
negative bacteria
narrow spectrum antibiotics - Answer-Effective against specific bacteria
which is used for empiric therapy: narrow or broad - Answer-broad spectrum
Risks of Broad Spectrum - Answer-disruption of normal floral
increases risk of development of antibiotic resistance
which antibiotics increase the risk of antibiotic resistance: narrow or broad spectrum and
why - Answer-Broad spectrum because they kill more competing organisms than narrow
spectrum drugs
is narrow or broad spectrum antibiotics preferred - Answer-narrow is preferred when
possible.
broad spectrum only used when pathogen is unknown or when multiple types of
bacteria is suspected
Bactericidal drugs - Answer-Aminoglycosides
, Beta-lactams
fluoroquinolones
Metronidazole
Vancomycin
streptogramins
most antimycobacterial agents (rifampin, isoniazid, streptomycin, etc)
bacteriostatic drugs - Answer-clindamycin
macrolides
sulfonamides
tetracyclines
When is empiric therapy used? - Answer-when treatment is started without cultures or
when culture results are not back yet
who needs empiric therapy - Answer-critically ill pts after first set of cxs
hospitalized pts until css are available
ambulatory pts based on clinical presentation
Penicillins MOA - Answer-inhibit cell wall synthesis; bactericidal
penicillins primarily excreted how - Answer-in urine
what needs to be monitored when giving penicillins - Answer-renal function
what happens if renal insufficiency occurs while giving penicillins - Answer-prolonged
half-life leading to toxicity
Penicillin distribution - Answer--Well distributed to most body tissues
-Penetration to CSF and eye tissues poor in absence of inflammation
narrow-spectrum penicillinase sensitive drugs - Answer-penicillin G
penicillin V
narrow-spectrum penicillinase sensitive susceptible pathogens - Answer-streptococci,
Neisseria, anaerobes
narrow-spectrum penicillinase resistant drugs - Answer-naficillin
oxacillin
dicloxacillin
narrow-spectrum penicillinase resistant susceptible pathogens - Answer-S. Aureus
streptococci
Broad-spectrum penicillins - Answer-Ampicillin
Amoxicillin
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller biggdreamer. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $15.49. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
81113 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now