A physician orders a 70% He:30% O2 mixture to reduce the work of breathing in a patient having an acute asthmatic attack. Which of the following delivery systems would be appropriate in this case?
a. Adult O2 tent at 15 L/min
b. Aerosol mask at 12 L/min
c. Nasal cannula at 6 L/min
d. Nonrebreathing mask at 10 L/min
ANS: D
In general, heliox should be delivered to most spontaneously breathing patients via a tight-fitting (nondisposable) nonrebreathing mask with a fully functional valved exhalation port.
You might also like to view...
Hyponatremia occurs because of inappropriate replacement of fluid losses with hypotonic fluids.
Answer the following statement true (T) or false (F)
Exposure to which of the following is excluded from category X31?
a. weather conditions b. cold c. dry ice d. excessive cold as the cause of immersion of foot or hand
Patients with an autoimmune disorder may sometimes require _________ prior to dental treatment
an antibiotic prophylactic consultation regarding treatment outcomes a complete blood panel a phone call to clear the patient
Which term refers to the correctness with which you say words??
A) enumeration B) enunciation C) pronunciation D) pronunciation