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Exam (elaborations)

NURS 8024 Pharm Exam 3 (antimicrobial part 2) questions with answers

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NURS 8024 Pharm Exam 3 (antimicrobial part 2) questions with answers

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NURS 8024 Pharm Exam 3 (antimicrobial
part 2) questions with answers

Bacterial protein synthesis inhibitors - ANSWERS✔✔ Clindamycin


Clindamycin - ANSWERS✔✔ Time dependent killing
Inhibits protein synthesis
Bacteriostatic
90% bioavailability


Clindamycin mechanism of resistance - ANSWERS✔✔ Altered target sites
Active efflux (pushes drug out of the cell)


Clindamycin ADE - ANSWERS✔✔ GI upset
Skin rash
Neutropenia
Superinfections such a c diff pseudomembranous
- don't use if patient has history of c diff


Clindamycin indications - ANSWERS✔✔ Gram positive
Prophylaxis of endocarditis in valve patients with PCN allergy


Oxazolidinones - ANSWERS✔✔ New class of bacterial protein synthesis
inhibitors


Time dependent killing
Prevents formation of ribosome complex

, Bacteriostatic & Bactericidal against strep


Linezolid - ANSWERS✔✔ Protein synthesis inhibitor
100% bioavailability orally
30% CSF penetration


Linezolid ADE - ANSWERS✔✔ Hematologic
Increased thrombocytopenia risk
Anemia, neutropenia, neuropathy
Optic & peripheral neuropathy
Serotonin syndrome with SSRIs


Linezolid Indications - ANSWERS✔✔ Gram positive resistant
VRE, HCAP, CAP
Complicated skin & tissue infections
Off label use for TB
No resistance currently


Fluoroquinolones - ANSWERS✔✔ Norfloxacin (1st gen)
Ciprofloxacin & Ofloxacin (2nd gen)
Levofloxacin (3rd gen)
Moxifloxacin & Gemifloxacin (3rd gen respiratory)


Fluoroquinolones are classified by - ANSWERS✔✔ Generations according to
antimicrobial spectra


1st Generation Fluoroquinolone - ANSWERS✔✔ Narrow gram negative
Norfloxacin

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