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NUR568- Week 1 Test With Complete Solution
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NUR568- Week 1 Test With Complete Solution...
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NUR568- Week 1 Test WithComplete Solution
Host factors that influence prescribing? - ANSWER allergies
preexisitng conditions
renal/hepatic function
age
pregnancy/lactation
recent antibiotic use
exposure history
characteristics of broad spectrum antibiotics - ANSWER targets wider
number of bacteria types
acts on both gram- and gram + organisms
commonly used for empiric therapy when the pathogen is unknown or
infection with multiple types of bacteria is suspected
risks include disruption of normal flora and development of antibiotic
resistance
characteristics of narrow spectrum antibiotics - ANSWER effective against a
specific bacteria type
used when infecting pathogen is known
,reduces risk of disruption of normal flora and development of antibiotic
resistance
preferred when possible
Bactericidal antibiotics - ANSWER directly kill bacteria
T/F- bactericidal antibiotics are preferred when patients are
immunocompromised - ANSWER True
Examples of bactericidal agents - ANSWER aminoglycosides
beta-lactams
fluoroquinolones
metronidazole
most antimycobacterial agents, streptogramins, and vancomycin
Bacteriostatic agent - ANSWER inhibit the bacterial proliferation while the
host's immune system does the killing.
Examples of bacteriostatic agents - ANSWER clindamycin,
macrolides,
sulfonamides,
and tetracyclines
Factors that decide IV vs PO antibiotics - ANSWER critical or severe
infections: IV therapies are the recommended route of administration
mild/moderate or patients admitted for other diagnoses who have an
infection: PO therapies are the recommended route of administration
, alter the route from IV to PO once the patient is stable
Eye infections: Blepharitis - ANSWER Likely caused by staphylococcus
Therapeutic drug class: Tetracyclines
Likely prescription: Doxycycline PO x 1 month
Eye infections: Conjunctivitis - ANSWER Likely caused by staphylococcus,
streptococcus
Therapeutic drug class: Topical broad-spectrum
Likely prescription: Polymyxin-trimethoprim ophthalmic drops for 7-10 days
Eye infections: contact-lens conjunctivitis - ANSWER Likely caused by
pseudomonas
Therapeutic drug class: Topical fluoroquinolone
Likely prescription: Besifloxacin ophthalmic drops for 7-10 days
Eye infections: Hordeolum (stye) - ANSWER Likely caused by S. Aureus,
MRSA
Therapeutic drug class: Topical broad-spectrum
Likely prescription: Bacitracin ointment for 5-7 days
Ear infections: Otitis externa - ANSWER Likely caused staphylococcus or
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