Which of the following aerosol particle size range is deemed as therapeutic. Aerosol particles of this size make it past your upper airway and are able to enter the lower airways.

You are a respiratory therapist working the floors and are going to administer a pMDI treatment with a valve holding chamber for Mrs. Joseph. Mrs. Joseph has formed a tight seal around the mouthpiece of the valve holding chamber begins to inhale to receive her dose. During Mrs. Joseph’s inhalation, you hear a whistling sound coming from the Valve Holding Chamber. What does this whistling sound indicate?

True or False: An HME is a humidification device that should be considered for patients who require the ventilator for longer than 72 hours.

True or False: Nebulizers are effective even if a patient is crying

You are a Respiratory Therapist working in ICU. The physician assistant approaches you and asks for your expertise on Aerosol Drug delivery devices. She asks if there is a nebulizer that only nebulizes on inhalation and not on exhalation. This is to increase the amount of drug available for the patient on inspiration. Which nebulizer would you mention to the physician assistant?

True or False: The Isothermic Saturation Boundary (ISB) shifts higher into the respiratory tract when a patient breathes cold dry air.

What is the name of the device seen below? MDI.png

True or False: Both a Spacer and Valve Holding Chamber are designed to be used with a standard pMDI. The difference between the two is that a Spacer has a one-way valve while a Valve Holding Chamber is valveless

This population tends to have a lack of access to parks and recreation centers.

Problem 3A Find the stationary distribution of Xn.