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NURS8024 Pharm Exam 3 (antimicrobial part 1) Questions With Well Explained Answers 2024/25 $11.49   Add to cart

Exam (elaborations)

NURS8024 Pharm Exam 3 (antimicrobial part 1) Questions With Well Explained Answers 2024/25

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  • NURS 8024
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  • NURS 8024

Gram-positive bacteria - Correct Answer Stain violet purple Gram-negative bacteria - Correct Answer Stain pink Aerobes - Correct Answer require oxygen, most common cause of infection Common gram positive aerobes - Correct Answer MRSA(staphylococci), Streptococci, Enterococcus, Vanc...

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  • October 22, 2024
  • 7
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • NURS 8024
  • NURS 8024
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Victoria108
NURS8024 Pharm Exam 3 (antimicrobial part 1) Questions With Well Explained
Answers 2024/25
Gram-positive bacteria - Correct Answer Stain violet purple

Gram-negative bacteria - Correct Answer Stain pink

Aerobes - Correct Answer require oxygen, most common cause of infection

Common gram positive aerobes - Correct Answer MRSA(staphylococci), Streptococci,
Enterococcus, Vanc resistant enterococcus (VRE)

Common gram negative aerobes - Correct Answer Moraxella catarrhalos, gonorrhea,
jarmo Philips influenzae (HIB)

Space bugs - Correct Answer Hard to treat organisms
Serratia, pseeudomonas aeriginosa, acinetobacter helocobacter, citrobacter,
enterobacter

Anaerobes - Correct Answer Thrive without bacteria
Release exotoxins
Local microbiota enter sterile tissue

common anerobes - Correct Answer C-dif, fusobacterium, actinomyces (abdominal
infections), bacteroides fragilis

Atypical bacteria - Correct Answer Legionella pneumophila, mycoplasma pneumonia,
chlamydia pneumoniae/trachomatis

Spirochetes - Correct Answer Treponema pallidum
Borrelia burgdorferi

Narrow spectrum antibiotics - Correct Answer Act on single or limited group of
microorganisms
Known pathogen
Ideal

Extended spectrum antibiotics - Correct Answer Efficacy against large numbers of
gram positive or gram negative organisms

Broad Spectrum (empiric therapy) - Correct Answer Effective against broad spectrum
Unknown pathogen, but possibly life threatening
Risk for superinfections

Superinfections - Correct Answer Use of broad spectrum agents can disrupt the
normal flora causing growth of opportunistic organisms (PCN causing vag yeast)

, Empiric regimen - Correct Answer Imitated before the offending organism identified
and sometimes prior to confirmation of infection

Definitive regimen - Correct Answer Initiated when causative organism is known

Minimum inhibitory concentration (MIC) - Correct Answer Estimate of the drug
sensitivity of pathogens for comparison with anticipated levels in blood or tissues

Post-antibiotic effect (PAE) - Correct Answer AB effect that persists after drug
concentration falls below the MIC

Susceptibility testing - Correct Answer Laboratory methods to determine to the
sensitivity of the isolated pathogen to anti microbial drugs

Bacteriostatic antomicrobial - Correct Answer Inhibits growth and replication of
bacteria
Limits spread of infection
Enables immune system to attack pathogen

Bacterialcidal antimicrobial - Correct Answer Kills bacteria
Total number of viable organisms decreases

Concentration-dependent killing - Correct Answer Increased rate of killing with
increased concentration

Usually offers a daily dose to achieve efficacy

Aminoglycosides & quinolones

Time-dependent killing - Correct Answer bactericidal activity dependent on time serum
concentration

↑ MBC predicts efficacy

Needs more frequent dosing

β lactams, macrolides, vancomycin

Cell wall synthesis inhibitors - Correct Answer Beta-lactams (PCN, cephalosporins,
vanc)

Protein synthesis inhibitors - Correct Answer tetracyclines, aminoglycosides,
macrolides

Inhibitors of nucleic acid function or synthesis - Correct Answer Fluoroquinolones

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