Which of the following are physiological effects of positive end-expiratory pressure (PEEP) used in the treatment of ARDS? (Select all that apply.)
a. Increase functional residual capacity
b. Prevent collapse of unstable alveoli
c. Improve arterial oxygenation
d. Open collapsed alveoli
A, B, C, D
Ventilatory support for ARDS typically includes PEEP to restore functional residual capacity, open collapsed alveoli, prevent collapse of unstable alveoli, and improve arterial oxygenation.
You might also like to view...
A nurse who is working with an older adult patient who takes eight medications a day wants to promote medication adherence. Which of the following nursing interventions would best promote medication adherence?
A) Take prescribed medication as needed. B) Refill prescription medication when the last dose is taken. C) Place pills in a daily or weekly pillbox organized according to hours of the day or mealtimes. D) Ask for child-proof caps for all medication bottles.
A client states, "I have come to the conclusion that this disease has not paralyzed me." The nurse recognizes that this client is in which stage of the Psychological Recovery Model as described by Andersen and associates?
1. Moratorium 2. Awareness 3. Preparation 4. Rebuilding
Which of the following injuries would result in a greater likelihood of internal organ damage and risk for infection?
a. A fall from a 6-foot ladder onto the grass b. A shotgun wound to the abdomen c. A knife wound to the right chest d. A motor vehicle crash in which the driver hits the steering wheel
A patient is scheduled for a radical neck dissection and removal of a malignant tumor of the jaw. A radial graft is to be performed, so an Allen test must be done on the donor arm. What is the Allen test performed for?
A) To ensure that the ulnar artery is patent and can supply blood to the hand B) To ensure that the radial artery is patent and can supply blood to the hand C) To ensure that the brachial artery is patent and can supply blood to the hand D) To ensure that the popleteal artery is patent and can supply blood to the hand