Afeeding tube is placed in a patient receiving positive pressure ventilation to prevent inadequate nutrition. what should the nurse avoid while verifying the placement of the feeding tube?

The nurse should avoid listening for air after injection, because it is not a reliable method for verification of its placement. What nurse should do is something of the following: Observe for signs of respiratory distress, measure pH of aspirate, observe visual characteristics of aspirate.

the correct answer: the index of refraction of the second medium is lower i tried this persons answer and it was wrong this person is lying