Simple unheated bubble humidifiers are commonly used to humidify gases with what type of systems?
a. Mechanical ventilation
b. Oronasal O2 delivery
c. Tracheal O2 airway
d. Aerosol drug delivery
ANS: B
Unheated bubble humidifiers are commonly used with oronasal O2 delivery systems (see Chapter 41) to raise the water vapor content of the gas to ambient levels.
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Blood flows from the right atrium to the right ventricle, then to the:
a. brain. b. body. c. lungs. d. legs.
Thrombolytics restore coronary blood flow by
a. dilating the artery. b. preventing fibrin clot formation. c. preventing platelet aggregation. d. dissolving the thrombus.
The time intervals in an appointment book are normally 10- or 15-minute intervals and are described as units of time. There are ____ units in an hour using the 10-minute intervals
a. four b. six c. five d. none of the above
Which of the following is used to diagnose ulcers, diverticulosis, tumors, and motility problems of the esophagus, stomach, duodenum, and small intestine?
A. Retrograde pyelogram B. Myelography C. KUB radiography D. Barium swallow E. Cholangiography