________ uses X-rays and digital technology to produce a cross-sectional image of the body.
A) Barium swallow
B) PET scan
C) Ultrasound
D) Computerized tomography (CT) scan
D) Computerized tomography (CT) scan
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Optic neuritis is
a. An age-related decrease in color vision b. An age-related decrease in visual acuity c. Altered vision from a transient loss of blood flow d. An inflammatory demyelinating disorder
Your patient has a tracheostomy and is on a ventilator. He presents in acute respiratory distress. You assess his trach tube and it appears clear, but there is something wrong with the ventilator. You do not notice any loose fittings or disconnected tubes. The airway is clear and he is sitting upright. What is your next step?
A) Connect your oxygen tank directly to the tracheostomy tube. B) Try to further troubleshoot the ventilator. C) Call the manufacturer's service hotline. D) Disconnect the patient and ventilate him with a bag-valve device.
To obtain lavage fluid, the bronchoscope is wedged at which of the following locations?
a. The level of the carina b. The level of second or third generation bronchus c. The level of fourth or fifth generation bronchus d. At least at the level of the sixth generation bronchus
The scheduling technique that allows patients to walk in during a specified time frame and be seen in the order they arrive is
A) stream scheduling. B) triage scheduling. C) double booking. D) open hours.