Respiratory Pharmacology Quiz
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Questions and Answers

Which drug reduces tachyarrhythmias by blocking sodium and decreasing automaticity of the cardiac cells?

  • Lidocaine (correct)
  • Procainamide
  • Butorphanol
  • Propranolol
  • Most drugs that control arrhythmias of the heart are said to be 'negative inotropes.' What does this mean?

  • They decrease the heart rate.
  • They decrease the force of contractions. (correct)
  • They increase the force of contractions.
  • They increase the heart rate.
  • Methylanthines are often used to improve breathing in cardiac patients and patients with respiratory disease. Which of the following drugs are methylxanthines used for this purpose?

  • Guaifenesin and propranolol
  • Codeine and dextromethorphan
  • Theophylline and aminophylline (correct)
  • Hydrocodone and butorphanol
  • What effect do beta-receptor agonists have on the respiratory tree?

    <p>Cause bronchodilatation</p> Signup and view all the answers

    Terbutaline, albuterol, and metaproterenol are used in veterinary medicine to:

    <p>Treat feline asthma or other bronchoconstrictive diseases</p> Signup and view all the answers

    What drug is used to slow the heart rate and decrease arrhythmias associated with alpha-receptor stimulation?

    <p>Propranolol</p> Signup and view all the answers

    What does it mean when a drug has a narrow therapeutic index?

    <p>Plasma drug concentrations that produce toxicity are very close to the minimum concentration at which a beneficial effect occurs.</p> Signup and view all the answers

    What are early signs of digoxin toxicity that veterinary technicians and owners must be able to detect?

    <p>Wobbly gait, fainting (syncope), and disorientation</p> Signup and view all the answers

    Which electrolyte change greatly enhances the risk of digoxin toxicity?

    <p>Hypokalemia</p> Signup and view all the answers

    Why do hyperthyroid cats have heart rates of more than 200 beats per minute?

    <p>Due to large numbers of alpha-1 sympathetic receptors in the heart</p> Signup and view all the answers

    Which drug would be most effective against dermatophytes?

    <p>Itraconizoke</p> Signup and view all the answers

    The most widely used type of antiemetic drug to prevent motion sickness in dogs and cats is the:

    <p>Antihistamine</p> Signup and view all the answers

    The emetic of choice in cats is:

    <p>Apomorphine</p> Signup and view all the answers

    The emetic of choice in dogs is:

    <p>Apomorphine</p> Signup and view all the answers

    Spike the dog ingested his owner's cardiac medication about a half-hour ago. The veterinarian instructs you to give him an emetic that may be administered into the conjunctival sac, and then flush as necessary. The name of the drug is:

    <p>Xylazine</p> Signup and view all the answers

    A coating agent that forms an ulcer-adherent complex at the ulcer site is:

    <p>Sucralfate</p> Signup and view all the answers

    A veterinarian prescribes erythropoietin for a dog in terminal renal failure. Why was this prescribed?

    <p>For its ability to stimulate red blood cell production and release</p> Signup and view all the answers

    Which of the following drugs is considered a response modifier?

    <p>Interferon</p> Signup and view all the answers

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    In which scenario are drugs such as sulfadimethoxine, sulfadiazine, and other sulfa drugs most likely to cause kidney problems?

    <p>When an animal is receiving intravenous fluids and it has a diuretic effect on the kidneys</p> Signup and view all the answers

    What are trimethoprim and ormetoprim?

    <p>Agents that enhance bactericidal activity of sulfonamides</p> Signup and view all the answers

    What reaction should clients and veterinary professionals watch for in dogs having adverse reactions to sulfadiazine?

    <p>Decreased tear production</p> Signup and view all the answers

    Which antibacterial drug is also effective against protozoa such as Giardia?

    <p>Metronidazole</p> Signup and view all the answers

    What drug is used intravenously to treat status epilepticus?

    <p>Diazepam</p> Signup and view all the answers

    Which anticonvulsant drug is converted by the liver primarily to phenobarbital, which accounts for most of its anticonvulsant activity?

    <p>Primidone</p> Signup and view all the answers

    What is the primary function of trimethoprim?

    <p>Inhibiting dihydrofolate reductase</p> Signup and view all the answers

    What is the mode of action of ormetoprim in combination with sulfadimethoxine for treating bacterial infections in animals?

    <p>Inhibits folic acid synthesis</p> Signup and view all the answers

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