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Dental Pharmacology Flashcards

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

Read the first 7 Dental Pharmacology flashcards as text

  1. Why is a thorough medication history essential before dental treatment?

    Answer: To identify drug interactions, allergies, and systemic contraindications

    A complete medication history protects patient safety by revealing potential interactions with dental drugs, known allergies, and conditions requiring treatment modifications.

  2. Nitroglycerin is stocked in the dental office emergency kit primarily to manage which condition?

    Answer: Angina pectoris

    Nitroglycerin is a coronary vasodilator that relieves angina pectoris by reducing cardiac workload and increasing blood flow to the myocardium.

  3. Which class of medications can prolong bleeding time and requires physician consultation before oral surgery?

    Answer: Anticoagulants such as warfarin

    Anticoagulants like warfarin inhibit clotting factor synthesis and significantly prolong bleeding, requiring medical clearance or dose adjustment before surgical procedures.

  4. How does nitrous oxide produce its sedative and analgesic effects in dentistry?

    Answer: It depresses the central nervous system, producing sedation and reducing pain perception

    Nitrous oxide produces conscious sedation and mild analgesia through central nervous system depression, reducing patient anxiety and discomfort.

  5. Which drug class includes triazolam, sometimes prescribed for management of severe dental anxiety?

    Answer: Benzodiazepines

    Benzodiazepines such as triazolam enhance GABA receptor activity, producing anxiolytic and sedative effects used in oral conscious sedation.

  6. Gingival hyperplasia (overgrowth of gum tissue) is a known oral side effect of which drug class?

    Answer: Calcium channel blockers such as nifedipine

    Calcium channel blockers like nifedipine cause gingival hyperplasia by altering fibroblast activity and collagen metabolism in gingival tissue.

  7. Which over-the-counter topical anesthetic agent is most commonly applied intraorally before needle insertion?

    Answer: Benzocaine 20% gel

    Benzocaine 20% topical gel is the standard surface anesthetic used to reduce mucosal discomfort before the injection needle penetrates.

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