The disruption of lung tissue by mechanical forces or medical problems can upset diffusion, which is defined as:
A) maintaining enough positive pressure in the pleural space to keep the lungs from collapsing.
B) the exchange of gases in the bronchi.
C) the ability of the lungs to expand equally during inspiration.
D) the process of gas exchange between the alveoli and the capillaries.
D
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You are caring for a 56-year-old woman who was struck by another skier and had a hard tumbling fall. Which of the following signs or symptoms would be most suggestive that an advanced airway may be needed?
a. Bleeding from the mouth b. Respiratory rate of 12 c. Cyanotic lips d. Confusion
The body has several means to produce heat as a part of the process called ____.
A. hypoperfusion B. hyperperfusion C. metabolism D. thermogenesis
A computerized occlusal analysis system, T-Scanâ III, can provide vivid graphics of the patient's occlusion
a. True b. False Indicate whether the statement is true or false
AC interference can be prevented by ________.
A. keeping the patient warm to prevent shivering B. preparing the patient's skin adequately C. making sure lead wires are not crossed and following the contour of the body D. making certain that a lead has not been disconnected from the electrode E. avoiding the use of paper clips