Author Question: A venturi tube has an expanding radius that does not exceed: A) 5 degrees B) 10 degrees C) 15 ... (Read 73 times)

mp14 · **on:** Jul 16, 2018

A venturi tube has an expanding radius that does not exceed:
A) 5 degrees
B) 10 degrees
C) 15 degrees
D) 20 degrees

Question 2

High air flow with oxygen enrichment (HAFOE) masks alter oxygen concentrations by:
I. changing nozzle size
II. changing air entrainment port size
III. changing oxygen liter flow into the mask
IV. changing air liter flow into the mask
A) I
B) I and II
C) I, II, and III
D) I, II, III, and IV