How does CPAP improve oxygenation and ventilation in patients with certain respiratory problems?
A. It forces the alveoli open and pushes more oxygen across the alveolar membrane.
B. It pushes thick, infected pulmonary secretions into isolated areas of the lung tissue.
C. It decreases intrathoracic pressure, which allows more room for the lungs to expand.
D. It prevents alveolar collapse by pushing air into the lungs during the inhalation phase.
Answer: A. It forces the alveoli open and pushes more oxygen across the alveolar membrane.
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Information technology (IT) is spreading rapidly throughout the health care industry to:
A. improve the quality of patient care. B. reduce mistakes and errors. C. improve efficiency and reduce costs. D. expand access to health care services. E. All of the above
DSL also transmits all data as digital signals and does require access to television connections.
Answer the following statement true (T) or false (F)
Which of the following decreases the risk of contamination when preparing IV admixtures?
Ultraviolet lighting Laminar airflow hoods Foot pedal sinks Humidifiers
Which of these sentences is written in passive voice?
A) The fear of falling has been the factor with the greatest impact on the client. B) The client broke his hip by falling. C) He has been afraid of falling, limiting his mobility in his community. D) The client is afraid of falling, which puts the client at greater risk of falling.