Which of the following gases is the least dense?
a. Carbon dioxide c. Helium
b. Nitrous oxide d. Air
ANS: C
Helium is the second-lightest element, with a density of 0.165 kg/m3 at 21.1° C and 1 atmos-pheric pressure (atm). Oxygen is slightly heavier than air, with a density of 1.326 kg/m3 at 21.1° C and 760 mm Hg.
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If you make a mistake when charting a patient treatment, what should you do?
a. Make a new entry (called "correction") just below the mistake. b. Erase the mistake and have your supervi-sor countersign it. c. Draw a line through the mistake and write "error" above it. d. Have your supervisor make the chart cor-rection later.
The drug of choice for childhood absence seizures is:
A) GABA B) hydantoin C) valproic acid D) phenytoin
When a patient is admitted for placement in a private area to protect the patient from exposure to infectious diseases or to prevent the spread of a disease, the patient is said to be placed in __________
Fill in the blank(s) with correct word
Health care facilities use CPT for outpatient surgery and ancillary department reporting.
Answer the following statement true (T) or false (F)