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NR 566 week 1 Questions & Answers(RATED A+) $11.99   Add to cart

Exam (elaborations)

NR 566 week 1 Questions & Answers(RATED A+)

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  • NR 566

What are the major antibiotic drug classes - ANSWER Beta-lactams: penicillins Beta-lactams: Cephalosporins fluoroquinolones tetracyclines and macrolides sulfonamides, trimethoprim, &nitrofurantoin which antibiotics are preferred for immunocompromised patients: bactericidal or bacteriostatic...

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  • September 4, 2024
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  • 2024/2025
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  • nr 566 week 1 stuvia 2024
  • NR 566
  • NR 566
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NR 566 week 1 Questions &
Answers(RATED A+)
What are the major antibiotic drug classes - ANSWER Beta-lactams: penicillins

Beta-lactams: Cephalosporins

fluoroquinolones

tetracyclines and macrolides

sulfonamides, trimethoprim, &nitrofurantoin



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



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 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)




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

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