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Sedimentation is an important factor in lung deposition that RT's can influence. A. How long is an ideal...

16. Sedimentation is an important factor in lung deposition that RT's can influence.
A. How long is an ideal breath hold maneuver?
B. How much will you increase drug deposition?
C. What about drug distribution?
17. It is extremely difficult to predict exactly what happens to particles once they enter the lung. What is the only way to determine how well you are delivering a medication?
18. Nebulizers can be a source for nosocomial infections. Describe three of the CDC's recommendations for preventing this problem.
19. List five aerosolized substances associated with increased airway resistance.
20. What can you do to help prevent bronchospasm from occurring when you nebulize reactive substances?
21. Aerosolizing drugs has the potential for inducing bronchospasm. Describe four ways you can monitor this potential problem.
22. Eye irritation is most likely to occur under what circumstances?

Answer

  1. A. An ideal breath hold maneuver is approximately 10 seconds.

  2. B. Drug deposition can be increased by approximately 10% with an ideal breath hold.

  3. C. Drug distribution is improved with proper technique and breath hold, ensuring more even distribution throughout the lungs.

  4. The only way to determine how well you are delivering a medication is by measuring the clinical response and outcomes in the patient.

  5. A. Use only sterile fluids like sterile water or saline for nebulization.

  6. B. Replace nebulizer components regularly to prevent contamination.

  7. C. Follow strict infection control practices, including hand hygiene and equipment disinfection.

  8. A. Acetylcysteine (Mucomyst)

  9. B. Antibiotics like Tobramycin

  10. C. Hypertonic saline

  11. D. Mannitol

  12. E. Bronchodilators (in some cases, paradoxically)

  13. Pre-treat the patient with a bronchodilator like Albuterol.

  14. A. Auscultation (listening to breath sounds for wheezing)

  15. B. Perform measurements before and after treatments

  16. C. Observe the patient's breathing pattern and overall work of breathing

  17. D. Communicate with the patient, looking for signs of chest tightness or shortness of breath

  18. Eye irritation is most likely to occur when you use a face mask that fits poorly or when administering anticholinergic drugs like Ipratropium.

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