What is the main purpose of a negative-pressure ventilator?
A. Healing diseased lung tissue
B. Relieving hypoxemia by opening obstructed airways
C. Assisting ventilation to healthy lungs by mimicking normal chest pressures
D. Delivering an individualized preset tidal volume to the lower respiratory tract
C
The negative-pressure ventilator is noninvasive and works by changing pressures in the chest cavity rather than by forcing air directly into the lungs. The client is placed in an airtight tube that surrounds either the chest area or the entire body and leaves the head exposed. During inspi-ration, with the expansion of the chest wall, negative pressure is generated in the chest cavity. Because of the pressure gradient, air moves from the atmosphere (high pressure) into the thoracic cavity (low pressure). At a preset time, negative pressure ceases and expiration occurs. Thus, negative-pressure ventilators create pressure gradients that mimic normal ventilation.
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Transfer is defined as the ____
a. Discharge of an employee with poor performance b. Failure to retain an employee who is performing well c. Loss of an employee from an institution d. Movement of an employee from one area to another
The teaching plan for a diabetic patient for foot care would include that the patient should (select all that apply):
1. wash and carefully dry the feet every day. 2. apply lotion between the toes. 3. protect the feet from extreme temperatures. 4. walk barefoot only indoors. 5. buy shoes that are comfortable and supportive.
List three reasons why giving medications to children is hazardous
What will be an ideal response?