The severity of a thermal burn is dependent upon:
A. chemical concentration.
B. contact time.
C. voltage.
D. B and C.
B
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The documentation required to assess visual impairment includes all of the following EXCEPT
a. Results of a tangent screen examination. b. Results of a confrontation test. c. Results of perimeter testing. d. Results of functional testing.
When instructing patients on the use of a volume-displacement incentive spirometer, the respira-tory therapist should inform the patients to do which of the following?
a. Inhale deeply and hold for 3 to 5 seconds. b. Exhale as fast as possible into the mouth-piece. c. Inhale and exhale rapidly through the mouthpiece. d. Perform 30 sustained maximum inspira-tions every 15 minutes.
For critiquing a position on a radiograph, the best criteria to observe will always be a pair of stable, bony anatomical parts that:
A. Are distant from each other and from the midline of the body B. Have a long axis perpendicular to the expected direction of shift C. Are close to the central ray in the direction of expected shift D. All of the above
Folic acid deficiency is one cause of reticulocytosis.
Answer the following statement true (T) or false (F)