What percentage of dextrose and sodium chloride is in a liter of D5NS?
Dextrose 5% sodium chloride 0.45%
Dextrose 5% sodium chloride 0.9%
Dextrose 5% sodium chloride 0.125%
Dextrose 5% sodium chloride 0.225%
Dextrose 5% sodium chloride 0.9%
Rationale: In one liter of D5NS, there is 5% dextrose, and 0.9% sodium chloride. Dextrose 5% sodium chloride 0.45% is commonly written as D5 ½ NS. Dextrose 5% sodium chloride 0.125% is not a common mixture. Dextrose 5% sodium chloride 0.225% is commonly written as D5 ¼ NS.
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Which of the following describes the proper positioning for a transthoracic lateral?
The patient is supine with affected arm left in neutral position and closest to the image receptor. The unaffected arm is elevated above the head. The patient is upright with the affected side left in the neutral position and positioned furthest from the image receptor. The unaffected arm is elevated above the head. The patient is supine with the affected arm elevated and closest to the image receptor. The unaffected arm is left at the patient's side. The patient is supine with the affected arm left in the neutral position and positioned furthest from the image receptor. The unaffected arm is elevated above the head.