• PA
    PA School SurvivalDidactic Year
Study
  • Dashboard
  • Medical Terminology
  • Flashcards
  • Progress
  • Prep Rounds
  • Body Systems
  • Pharmacology
  • Tools
  • Guide & FAQ
  • Suggest a FeatureLet us know what we can do better — we genuinely want to help you in class.
My material
  • My Library
  • Notes & Sketches
PANCE Body Systems
  • Cardiovascular
    11%
  • Pulmonary
    9%
  • Gastrointestinal/Nutrition
    8%
  • Musculoskeletal
    8%
  • Neurology
    7%
  • Infectious Disease
    7%
  • Psychiatry/Behavioral
    7%
  • Reproductive
    7%
  • Endocrine
    6%
  • Eyes/Ears/Nose/Throat
    6%
  • Hematology
    5%
  • Renal
    5%
  • Genitourinary
    4%
  • Dermatology
    4%
Weights are study aids — verify each exam cycle.
⌘K
NotesPricingSign in
About·Tools·Terminology·Privacy Policy·Terms of Service·PANCE Blueprint

PANCE® is a registered trademark of the National Commission on Certification of Physician Assistants (NCCPA). This application is an independent study resource and is not affiliated with, sponsored by, or endorsed by the NCCPA.

For educational use only. Content is AI-generated, may contain errors, and is not medical advice — always verify against current primary sources and faculty guidance before clinical use.

HomePharmacologyMorphine

Morphine

Opioid Agonist
Drug Class
Opioid Agonist
Mechanism of Action (MOA)
µ-opioid receptor agonist → ↓ pain transmission and altered pain perception.
Black Box Warning
Addiction, abuse, and misuse; life-threatening respiratory depression; fatal with benzodiazepines or alcohol.
Clinical Notes
Severe pain. Respiratory depression, constipation (no tolerance develops), miosis, histamine release; active metabolite accumulates in renal failure. Reverse with naloxone.
Source
FDA label (DailyMed)

More Opioid Agonist drugs

  • Oxycodone
All pharmacology