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 (B)</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 (B)</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 (A)</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. (D)</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 (B)</p> Signup and view all the answers

Which electrolyte change greatly enhances the risk of digoxin toxicity?

<p>Hypokalemia (C)</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 (B)</p> Signup and view all the answers

Which drug would be most effective against dermatophytes?

<p>Itraconizoke (A)</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 (D)</p> Signup and view all the answers

The emetic of choice in cats is:

<p>Apomorphine (D)</p> Signup and view all the answers

The emetic of choice in dogs is:

<p>Apomorphine (A)</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 (D)</p> Signup and view all the answers

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

<p>Sucralfate (A)</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 (A)</p> Signup and view all the answers

Which of the following drugs is considered a response modifier?

<p>Interferon (B)</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 (B)</p> Signup and view all the answers

What are trimethoprim and ormetoprim?

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

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

<p>Metronidazole (C)</p> Signup and view all the answers

What drug is used intravenously to treat status epilepticus?

<p>Diazepam (D)</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 (D)</p> Signup and view all the answers

What is the primary function of trimethoprim?

<p>Inhibiting dihydrofolate reductase (B)</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 (A)</p> Signup and view all the answers

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