7 Medicines and Pharmacology
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Questions and Answers

Which medication is known for its selective inhibition of cyclooxygenase 2 and is associated with fewer gastrointestinal side effects compared to nonselective agents?

  • Furosemide (Lasix)
  • Celecoxib (correct)
  • Haldol
  • Misoprostol
  • What is the most significant adverse effect associated with the use of infliximab in patients with inflammatory bowel disease?

  • CHF
  • Metabolic acidosis
  • TB reactivation (correct)
  • Respiratory alkalosis
  • Which medication can cause extrapyramidal manifestations such as tardive dyskinesia and should be managed with Benadryl?

  • Furosemide (Lasix)
  • Haldol (correct)
  • Iodine contrast
  • Misoprostol
  • Which medication is a derivative of prostaglandin E1 and is used to prevent peptic ulcer disease in patients on chronic NSAIDs?

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

    What is the most common side effect associated with gadolinium contrast?

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

    Which medication is known to cause metabolic alkalosis, hypokalemia, and ototoxicity as side effects due to over-diuresis?

    <p>Furosemide (Lasix)</p> Signup and view all the answers

    Which medication is an antibody to TNF-alpha given intravenously and is used in the treatment of inflammatory bowel disease?

    <p>Infliximab (Remicade)</p> Signup and view all the answers

    What is the most common side effect associated with iodine contrast?

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

    Which medication inhibits aldosterone and can cause metabolic acidosis and hyperkalemia as side effects due to over-diuresis?

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

    What is the first acid-base disorder that occurs in a patient with ASA poisoning?

    <p>Respiratory alkalosis</p> Signup and view all the answers

    Which route of drug administration bypasses the liver and has higher bioavailability compared to oral drugs?

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

    What is largely responsible for binding drugs such as penicillins and warfarin?

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

    Which drug can displace unconjugated bilirubin from albumin in newborns and should be avoided in this population?

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

    Which type of drug kinetics involves a constant amount of drug being eliminated regardless of the dose?

    <p>Zero-order kinetics</p> Signup and view all the answers

    How many half-lives does it take for a drug to reach steady state?

    <p>5 half-lives</p> Signup and view all the answers

    What does the volume of distribution of a drug represent?

    <p>The amount of drug in the body compared to its concentration in plasma or blood</p> Signup and view all the answers

    Which route of administration involves drug absorption based on lipid solubility through the epidermis?

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

    Which type of drug is restricted to nonionized, lipid-soluble drugs for absorption into the cerebrospinal fluid (CSF)?

    <p>Lipid-soluble drugs</p> Signup and view all the answers

    Which drug is stored in bone and follows zero-order kinetics for elimination?

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

    Which drug has the potential to cause kernicterus in newborns due to displacement of unconjugated bilirubin from albumin?

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

    What is the fraction of unchanged drug reaching the systemic circulation known as?

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

    Which drug level is defined as the level at which death occurs in 50% of patients?

    <p>LD50</p> Signup and view all the answers

    What effect is seen at an unusually low dose of a drug?

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

    Which phase of drug metabolism involves demethylation, oxidation, reduction, and hydrolysis reactions?

    <p>Phase I</p> Signup and view all the answers

    Which of the following is an inhibitor of P-450 system?

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

    What is the most important organ for eliminating most drugs?

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

    What is the end product of purine metabolism that causes gout?

    <p>Uric acid</p> Signup and view all the answers

    What medication binds tubulin and inhibits migration of white blood cells?

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

    Which lipid-lowering agent binds bile acids in the gut, forcing the body to resynthesize bile acids from cholesterol?

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

    Which drug is used to treat torsades de pointes (ventricular tachycardia)?

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

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