Arrows have plastic vanes or feathers that proved stability and accuracy in flight. What is the name for these vanes or feathers?

At 1030 the respiratory therapist is called to the bedside of a patient being mechanically venti-lated with VC-IMV

The patient is a 55-kg female who has been intubated with a size 8 endotracheal tube. Currently, the ET tube is located 20 cm at the gum line. During spontaneous breathing, the patient shows lack of coordinated chest wall movement, and the respiratory therapist notes some retraction of the intercostal spaces. The respiratory therapist performs a system check. The current and past few patient-ventilator system checks reveal the following information: Time 0430 0640 0835 1030 PIP (cm H2O) 28 31 34 41 Pplateau (cm H2O) 18 21 19 20 The most appropriate action to take in this situation is which of the following? a. Deflate the cuff and reposition the endo-tracheal tube. b. Request that the patient receive haloperi-dol and midazolam. c. Administer albuterol via an in-line me-tered-dose inhaler. d. Switch the mode to PC-IMV and increase the rate.

Reduction of preload and afterload is important in the management of which of the following?

a. Pulmonary embolism b. Dynamic hyperinflation c. Cardiogenic pulmonary edema d. Noncardiogenic pulmonary edema