I am doing the exam :
the question is Nurse is observed taking all of the following action when suctioning a patient who has a newly -placed traceostomy tube. which of the following action require intervention:
A Apply suction for less than 15 seconds at one time.
B Administering 100 % oxygen prior to starting suctioning.
C Utilizing negative pressure of 120 mmhg during suctioning.
D deflating the tracheostomy cuff for three minutes before initiating suction.
which answer is correct, i am looking forward for you replay..