Which Statement is an Essential Patient Instruction While Performing an Impulse

Question

Which statement is an essential patient instruction while performing an impulse oscillometry test?
A) The test is performed with children standing.
B) The shutter must be closed at or near FRC.
C) Head should be in a neutral or slightly extended position.
D) Noseclips are not required.

Accepted Answer

The head should be in a neutral or slightly extended position during an impulse oscillometry test to ensure an open airway, allowing for accurate measurement of lung function.