Study Guide (Latest 2026
UPDATED) Advanced
Pharmacology Fundamentals -
Chamberlain
APRN prescribing role - 🧠 ANSWER ✔✔Prescriptive authority for nurse
practitioners also regulates prescribing rights beyond medications and
controlled substances. These rights include therapeutic devices and
services and are outlined in state practice laws and regulations and include
Durable Medical Equipment (DME) such as wheelchairs, power scooters,
,hospital beds, portable oxygen equipment, handicap placards, etc. and
medical services such as Physical Therapy (PT), Occupational Therapy
(OT), home health services, etc. Prescriptive authority encompasses more
than writing a prescription correctly. It requires adherence to ethical
guidelines to ensure that patients are safeguarded from harm. Ethical
prescribing starts with being well-informed about medications. Mechanism
of action, efficacy, and safety are important considerations, as are a
patient's distinct needs and circumstances, including the number of
medications prescribed (Mitchell & Oliphant, 2016). Most patients receiving
a prescription are taking other medications, whether prescription or over-
the-counter. Appropriate selection, dosing, and duration of pharmaceutical
agents are key to maximizing outcomes and minimizing adverse effects
benefits of full practice authority - 🧠 ANSWER ✔✔Nurse practitioners have
the autonomy to evaluate patients, diagnose, order and interpret tests,
initiate and manage treatments and prescribe medications, including
controlled substances without physician oversight
promoting positive outcomes through prudent prescribing practices - 🧠
ANSWER ✔✔Administering medications and prescribing medications are
two distinct processes. Prescription writing requires prudent and deliberate
,decision-making processes to maintain patient safety and reduce liability,
including:
*documentation of a provider-patient relationship for the recipient of the
prescribed medications
*documentation of a thorough history and physical examination for the
recipient
*documentation of discussions regarding risk factors, side effects, or
therapy options
*documentation of drug monitoring or titration plan, if applicable
*documentation of consultations, if any
avoidance of prescribing medications for self, family, or friends
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, Rational drug selection requires a logical approach that includes the
formulation of a diagnosis based on clinical reasoning and the selection
and monitoring of the most appropriate pharmacological treatment
Considerations include: Cost, guidelines, availability, interactions, side
effects, allergies, hepatic/renal functions, need for monitoring, & special
populations
Beer's Criteria - 🧠 ANSWER ✔✔identifies drugs with a high likelihood of
causing adverse effects in older adults. Accordingly, drugs on this list
should generally be avoided in adults older than 65 years except when the
benefits are significantly greater than the risks.
Pharmacodynamics - 🧠 ANSWER ✔✔the study of the biochemical and
physiologic effects of drugs on the body and the molecular mechanisms by
which those effects are produced
Pharmacokinetics - 🧠 ANSWER ✔✔the study of drug movement throughout
the body