NR 566: Midterm Advanced Pharmacology
for Care of the Family Study Guide with
complete solutions | Latest 2024/2025-
Chamberlain.
What would happen if Lorcaserin is given with a CYP2D6
substrate? Can increase substrate levels, may need to lower
dose of substrate to prevent toxicity
When to use broad/empiric spectrum antibiotics? Before
cultures are resulted/ critically ill patient after first culture
obtained, based on NP knowledge of patient history, local
susceptibility/geographic location
MOA for antihistamines block histamine release in the small
blood vessels, capillaries and nerves during allergic reactions to
relieve itching, sneezing and rhinorrhea
MOA of cromolyn Prevents release of leukotrienes &
histamine; Inhibits activity of leukocytes & eosinophils
, MOA of sympathomimetics activate alpha adrenergic
receptors on nasal blood vessels---> reduction of nasal
congestion
Therapeutic action of Guafenesin Expectorant: thins
secretions to stimulate release of congestion
Patient education of benzoyl peroxide: Continue to use the
prescription on irritated or sunburned skin, avoid sunlight and UV
light exposure
When to use narrow spectrum antibiotics? Used when the
culture and sensitivity is resulted, and pathogen is known.
how to treat C.diff Stop the antibiotic that may have caused it
1st: Vancomycin 125 mg PO QID x 10 days.
2nd: Metronidazole 500mg PO TID x 10 days
address hydration
Drug class known for ALL drugs in class to promote development
of C. Diff 2nd and 3rd generation Cephalosporins
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