NURSING 316 - Respiratory Disorder Evolve Questions. Answers Provided. Complete Study Guide.

NURSING 316 - Respiratory Disorder Evolve Questions. Answers Provided. Complete Study Guide. Questions CH 70 1. 1.ID: 3 A pregnant patient asks the nurse if she can take antihistamines for seasonal allergies during her pregnancy. What will the nurse tell the patient? A. Antihistamines should be avoided unless absolutely necessary. Correct B. Secondgeneration antihistamines are safer than firstgeneration antihistamines. C. Antihistamines should not be taken during pregnancy but may be taken when breastfeeding. D. The margin of safety for antihistamines is clearly understood for pregnant patients. 2. 2.ID: 7 A family is preparing for travel and the parents report that their 5yearold child has frequent motion sickness. The nurse will tell the parents to ask the provider about which antihistamine to help prevent symptoms? A. Desloratadine [Clarinex] B. Dimenhydrinate [Dramamine] Correct C. Hydroxyzine [Vistaril] D. Promethazine [Phenergan] 3. 3.ID: 7 A nurse is teaching a group of nursing students about antihistamines. Which statement by a student indicates an understanding of the mechanism of action of the antihistamines? A. “Antihistamines block H1 receptors to prevent actions of histamine at these sites.” Correct B. “Antihistamines block release of histamine from mast cells and basophils.” C. “H1 antagonists can bind to H1 receptors, H2 receptors, and muscarinic receptors.” D. “Firstgeneration antihistamines are more selective than secondgeneration antihistamines.” 4. 4.ID: 1 A patient who has chronic allergies takes loratadine [Claritin] and develops a severe reaction to bee stings. The patient asks the nurse why the antihistamine did not prevent the reaction. What will the nurse say? A. “Allergy symptoms that are severe are caused by mediators other than histamine.” Correct B. “H1 blockers do not prevent the release of histamine from mast cells and basophils.” C. “Secondgeneration H1 blockers contain less active drug and do not work in severe reactions.” D. “Severe allergic reactions occur through actions on muscarinic receptors.” 5. 5.ID: 5 A patient tells a nurse that antihistamines help relieve cold symptoms and wants to know why they are not recommended or prescribed for this purpose. The nurse tells the patient that antihistamines provide only mild relief from some cold symptoms by: A. anticholinergic properties that decrease rhinorrhea. B. blocking H1 receptors in nasal passages. Correct C. reducing secretions at H2 receptor sites. D. having sedative effects, which help patients rest and sleep.