NURS 615 Exam 4 Study Guide
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Questions and Answers

Which laxative should be avoided in patients with renal dysfunction due to the risk of hypermagnesemia?

  • Bisacodyl
  • Mg-containing laxatives (correct)
  • Psyllium
  • Cascara
  • What is a major side effect common to all types of laxatives mentioned?

  • Electrolyte retention
  • Abdominal cramping (correct)
  • Dehydration
  • Increased appetite
  • Which laxative is considered the safest option for long-term use in chronic constipation?

  • Mineral oil
  • Bisacodyl
  • Psyllium (correct)
  • Cascara
  • Which laxative should not be used during pregnancy without a positive benefit-to-risk ratio?

    <p>Mg hydroxide</p> Signup and view all the answers

    What risk is associated with the chronic use of lubricants like mineral oil?

    <p>Decreased absorption of fat-soluble vitamins</p> Signup and view all the answers

    Which class of laxatives is indicated for constipation caused by prolonged immobility or drug-induced constipation?

    <p>Stimulant laxatives</p> Signup and view all the answers

    What is a common side effect associated with stimulant laxatives?

    <p>Electrolyte alterations</p> Signup and view all the answers

    Which laxative type has a potential for abuse and dependency?

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

    Under what condition are all laxatives contraindicated?

    <p>Nausea and/or abdominal pain of unknown cause</p> Signup and view all the answers

    What is the mechanism of action for stimulant laxatives?

    <p>Stimulation of myenteric nerves and intestinal smooth muscle irritation</p> Signup and view all the answers

    Which of the following is NOT an adverse effect associated with hyperosmolar laxatives?

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

    What is the primary mechanism of action for opioid receptor antagonists in treating constipation?

    <p>Antagonism of mu-opioid receptors</p> Signup and view all the answers

    Which laxative should be avoided during pregnancy due to potential risks to the fetus?

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

    What is the effect of lactulose in the treatment of hepatic encephalopathy?

    <p>Draws water into the stool</p> Signup and view all the answers

    Which medication option is predominantly used to treat opioid-induced constipation?

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

    What significant risk is posed by bismuth subsalicylate in pediatric patients with febrile viral conditions?

    <p>Reye syndrome</p> Signup and view all the answers

    Which of the following characters is true concerning the mechanism of absorbent drugs like kaolin and pectin?

    <p>They thicken stool by absorbing liquid.</p> Signup and view all the answers

    What should be monitored closely in patients receiving chronic lactulose treatment?

    <p>Blood sugars</p> Signup and view all the answers

    What is the primary mechanism by which drugs in the histamine-2 receptor antagonist class reduce gastric acid production?

    <p>Blockade of histamine-2 receptors on gastric parietal cells</p> Signup and view all the answers

    Which of the following adverse effects is specifically associated with cimetidine from the histamine-2 receptor antagonist class?

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

    What is a significant concern when using prokinetic agents like Metoclopramide in certain populations?

    <p>Serious adverse effects such as extrapyramidal symptoms (EPS)</p> Signup and view all the answers

    Which of the following is a recommended monitoring parameter for patients on long-term histamine-2 receptor antagonists?

    <p>Vitamin B12 levels</p> Signup and view all the answers

    For which of the following populations is the use of histamine-2 receptor antagonists generally avoided?

    <p>Pregnant women</p> Signup and view all the answers

    What potential hematologic effect can occur with the use of histamine-2 receptor antagonists?

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

    Which statement regarding the effects of histamine-2 receptor antagonists is correct?

    <p>They increase gastric pH towards a more alkaline state.</p> Signup and view all the answers

    Study Notes

    NURS 615 Exam 4 Study Guide

    • This is a study guide for Advanced Pharmacotherapeutics (Maryville University) for exam 4.
    • It covers topics related to respiratory system part 1, allergy, cough/cold, GI, and renal systems.
    • The guide includes detailed information on bronchodilators, inhaled corticosteroids, leukotriene modifiers, and various types like SABA, LABA, ULABA.
    • It also covers inhaled anticholinergics, methylxanthines, and their respective mechanisms of action (MOA).
    • Specific drugs and their uses, side effects, and precautions are detailed.
    • The guide also discusses allergy medications, nasal corticosteroids, antihistamines, and decongestants.
    • It includes information on cough and cold medications, including decongestants and antitussives expectorants with their MOA and side effects.
    • The study guide covers gastrointestinal tract medications like laxatives (stimulants, osmotics, bulk-producing, lubricants, surfactants, hyperosmolar, Cl channel activators,) and antidiarrheals (absorbents, opiates).
    • It also details renal system diuretics, their mechanisms of action, side effects, and drug interactions.

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    Description

    Prepare for your NURS 615 Exam 4 with this comprehensive study guide. It includes essential information on pharmacotherapeutics related to the respiratory and gastrointestinal systems, along with allergies, cough/cold treatments, and renal medications. Each topic is covered in detail, focusing on drug classes, mechanisms of action, and key side effects.

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