COPR - Canadian Organization of Paramedic Regulators Examination Pharmacology and Medication Administration Questions and Answers Flashcards
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A paramedic administers epinephrine 1:1000 IM for anaphylaxis. What is the standard adult dose?
Answer: 0.3 mg
The standard adult IM dose of epinephrine 1:1000 for anaphylaxis is 0.3 mg (0.3 mL) in the anterolateral thigh.
Which pharmacological mechanism describes nitroglycerin's primary action in chest pain management?
Answer: Venodilation reducing cardiac preload
Nitroglycerin primarily acts as a venodilator, reducing venous return and cardiac preload, thereby decreasing myocardial oxygen demand.
When administering adenosine for SVT, what is the correct initial adult IV dose?
Answer: 6 mg rapid IV push
The initial adult dose of adenosine for SVT is 6 mg administered as a rapid IV push, followed immediately by a 20 mL saline flush.
A patient with suspected opioid overdose is unresponsive with a respiratory rate of 4/min. Which drug should be administered?
Answer: Naloxone
Naloxone (Narcan) is the opioid antagonist used to reverse opioid-induced respiratory depression.
Which route of medication administration provides the fastest onset of action?
Answer: Intravenous
Intravenous administration delivers drugs directly into the bloodstream, providing the fastest onset of action compared to all other routes.
Aspirin is given to a patient with suspected STEMI primarily because it:
Answer: Inhibits platelet aggregation to reduce clot formation
Aspirin irreversibly inhibits COX-1, blocking thromboxane A2-mediated platelet aggregation to help prevent further thrombus growth in STEMI.