As an ultrasound beam travels through tissue, its
a. amplitude increases.
b. power increases.
c. focal zone can be changed by the sonographer.
d. intensity must remain constant.
c. focal zone can be changed by the sonographer.
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E/M coding for medicine services is determined by the:
A) type of physician examination. B) age of the patient. C) organ or body site affected. D) location of service.
Which of the following considerations should be determined when conducting a scene size-up at night of a single vehicle collision involving a rollover?
A) How many EMS supervisors are needed for command B) Mechanism of injury C) Make and model of the vehicle involved D) Which patient is the least injured
The sprinkler system feed main is:
A. the direct service to a number of branch lines. B. the pipe connecting the riser to the cross mains. C. vertical piping to which other components are attached. D. the piping that connects a spray nozzle to the cross mains.
A patient has an anion gap of 21 mEq/L. Based on this information, what can you conclude?
1. There is an abnormal excess of unmeasured anions in the plasma. 2. The patient probably has metabolic acidosis. 3. The concentration of fixed acids is decreased. a. 2 only b. 1 and 2 only c. 1 and 3 only d. 3 only