Advantages of home liquid O2 systems include which of the following?
1. Usually include a small refillable portable subsystem.
2. Do not require an O2 service delivery company.
3. Provide large-volume O2 storage in a small space.
4. Are useful for rehabilitation activities (e.g., walking).
a. 1 and 3 only
b. 1, 2, and 3 only
c. 3 and 4 only
d. 1, 3, and 4 only
ANS: D
Table 56-3 summarizes the major advantages and disadvantages of each system.
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An AP forearm projection with accurate positioning demonstrates the
1. radial styloid in profile laterally. 2. radial head superimposing the ulna by 0.25 inch (0.6 cm). 3. ulnar styloid in profile laterally. 4. humeral epicondyles in profile. a. 1 and 3 only b. 2, 3, and 4 only c. 1, 2, and 4 only d. 1, 2, 3, and 4 only
Using a CPT manual, select a code for a TAP block by continuous infusion