18-year-old MALE found unresponsive at a party 
(wt 60 kg, ht 64 inches [162.6 cm]). What is the Predicted Body Weight for this patient?

A patient in the ICU receives oxygen by nasal cannula at 3L/min. while monitored with pulse oximetry. The pulse oximetry displays an SP02 of 75% with a heart rate of 55/minute. In order to confirm the accuracy of the pulse oximeter reading, the respiratory therapist should recommend. 

PaO2 of 65. Fio2 of 50%. What is the PF ratio?

You are at the bedside of a newly intubated patient and receive verbal vent settings from the doctor of RR- 12, Vt-480, PEEP- 5 and Fio2 of 100%. When charting in the patients record, you notice that the order is written as PEEP of 8. What is your best course of action?

A 6yo has just entered the ER in respiratory arrest. Which drawer of the Broselow cart would you open?

A 51 year-old asthmatic patient is struggling to initiate inspiration on a mechanical ventilator that is operating in the assist-control mode. Which of the following settings would you first check in order to resolve of this problem?

What factors determine safety to undergo a spontaneous breathing trial?  1. Patient is hemodynamically stable (not on vasopressors or on a low dose of vasopressors)  2. FiO2 is less than or equal to 50%  3. PEEP less than or equal to 8 • 4. Patient can initiate an inspiratory effort (i.e. not apneic)

A. In the mucous membrane of the above cross-section, is the epithelium stratified or simple? B. Explain why the epithelium of the esophagus is either stratified or simple. (hint: what is the function of the esophagus) C. Explain why, if epithelial tissue is scratched but not deep enough to reach the basement membrane, there is no bleeding.

The primary goal of NIV in the acute care setting is to do which of the following?

Reasons for the shift in oropharyngeal flora in patients receiving invasive mechanical ventilation with endotracheal tubes include which of the following?