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Pharmacology Flashcards

7 cards from real FISDAP practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 7 Pharmacology flashcards as text

  1. A patient in pulseless VT does not respond to defibrillation. Which antiarrhythmic is given first per ACLS?

    Answer: Amiodarone 300 mg IV push

    Amiodarone 300 mg IV push is the first-line antiarrhythmic for shock-refractory VF/pulseless VT in the ACLS algorithm.

  2. Which route of administration provides the fastest onset of action in a conscious patient with hypoglycemia who is unable to swallow?

    Answer: Intramuscular glucagon

    IM glucagon is rapidly absorbed and stimulates hepatic glycogenolysis, making it appropriate when IV access is unavailable and the patient cannot swallow safely.

  3. A patient with known asthma is wheezing. Albuterol works primarily by activating which receptor type?

    Answer: Beta-2 adrenergic

    Albuterol is a selective beta-2 agonist that causes bronchial smooth muscle relaxation and bronchodilation.

  4. What is the primary indication for magnesium sulfate administration in the prehospital setting?

    Answer: Torsades de pointes and eclampsia

    Magnesium sulfate is first-line treatment for torsades de pointes and is used to prevent eclamptic seizures in preeclampsia.

  5. Which medication should be avoided in a patient with suspected epiglottitis who is maintaining their airway?

    Answer: Anything that may agitate the patient

    Any intervention that agitates the patient with epiglottitis risks complete airway obstruction; the priority is calm, gentle transport to definitive care.

  6. Morphine's analgesic properties are primarily due to its agonist activity at which receptor?

    Answer: Mu opioid receptor

    Morphine's primary analgesic, euphoric, and respiratory depressant effects occur through agonism at mu (μ) opioid receptors.

  7. Which statement about the pharmacokinetics of sublingual nitroglycerin is correct?

    Answer: It is rapidly absorbed through sublingual mucosa, bypassing first-pass metabolism

    Sublingual nitroglycerin is absorbed directly into systemic circulation through the sublingual mucosa, avoiding first-pass hepatic degradation and achieving rapid onset.