After connecting a nasal cannula to the humidifier outlet, you kink the tubing and hear a whistling noise coming from the humidifier.  Which of the following most likely caused this?

The respiratory therapist has received an order to deliver IPPB to a patient with head trauma.  What modifications in therapy may benefit the patient? 1. A higher flow rate 2. Use lower peak pressure 3. Set the sensitivity to -5 cm H20 4. A lower flow rate

A home care patient on 02 in concerned about the cost of using 02 continuously at home.  Which of the following should be suggested to help the patient conserve his 02 demands?

Proper instruction for a post-op appendectomy patient receiving incentive spirometry therapy would include which of the following? 1. Deep inspirations 2. Pursed lip breathing 3. Strong cough effort 4. Inspiratory hold

If the required reserve ratio is 5 percent, the excess reserve (simple deposit) multiplier is

To begin the weaning process from the ventilator, a patient should be able to obtain and MIP of at least which of the following?