Find your answers, solutions and more...

Try our new improved search engine "Clutch." More relevant, better matches, 100% accuracy at light speed!


  • PhD Member
  • ******
What was the conclusion of a study performed by Darquenne and Prisk comparing upper respiratory tract deposition of aerosol particles nebulized with heliox versus air?

A. The two gases are equally effective for nebulization and particle delivery to the patients' lungs.
B. Air is more effective for particle deposition to the large airways than to the small ones.
C. Heliox appears to better favor particle deposition to the peripheral airways than to the large airways.
D. The data from this study are inconclusive.

Marked as best answer by Kitcat

  • PhD Member
  • ******
A. Incorrect response: See explanation C.
B. Incorrect response: See explanation C.
C. Correct response: Darquenne and Prisk used a radionuclide approach to compare upper respiratory tract deposition with heliox versus air and concluded that heliox might reduce deposition in the upper respiratory tract and increase deposition in the distal airways and alveoli.
D. Incorrect response: See explanation C.

Questions you may also like

Related Posts

» A respiratory therapist has just performed a pulmonary function study and notes that the results show obstructive lung disease with a decreased DLCO value. Which of the following is the best interpretation of these results?
» What test is usually performed to confirm the diagnosis of myasthenia gravis?
» Which of the following would be expected when a chest assessment is performed on a patient during an asthmatic episode?
» A CPAP titration polysomnogram is performed to:
» All of the following may be an advantage of in-home portable sleep testing EXCEPT:

  • PhD Member
  • ******
Here to give you a feedback, your answer was right! Awesome