When describing the actions of upper respiratory system drugs, a ...

[Tirant22]

When describing the actions of upper respiratory system drugs, a nursing instructor explains that which of the following exerts its effect by increasing the production of secretions, thereby decreasing the viscosity? Select all that apply.
 
  A) Benzonatate
  B) Guaifenesin
  C) Codeine
  D) Potassium iodide
  E) Dextromethorphan

Question 2

A client is prescribed an antitussive for home use. Which of the following should a nurse include in the client's teaching plan? Select all that apply.
 
  A) Decreasing fluid intake during treatment with an antitussive
  B) Encouraging the use of sedatives during treatment
  C) Drinking fluids at least 30 minutes after taking a lozenge form
  D) Swallowing oral antitussive capsules whole
  E) Avoiding respiratory irritants during antitussive treatment

[Viet Thy]

Answer to Question 1

Ans: A, D
Feedback:
Benzonatate and potassium iodide are expectorants, which increase the production of secretions, thus making the secretions less viscous. Guaifenesin, codeine, and dextromethorphan are antitussives, which suppress cough.

Answer to Question 2

Ans: D, E
Feedback:
A client's antitussive teaching plan should include the following instructions: do not exceed recommended dose; avoid respiratory irritants; drink plenty of fluids if not contraindicated; swallow oral capsules whole; avoid drinking fluids for 30 minutes after taking a lozenge; do not use alcohol or other CNS depressants while being treated with antitussives; and contact the physician if cough is not relieved or becomes worse or is accompanied by chills, fever, chest pain, or sputum production.

[Tirant22]

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