Which drug may be added to local anesthetic agents to lower pH?
a. Bupivacaine
b. Sodium bicarbonate
c. Antihistamines
d. Isuprel
ANS: B
Sodium bicarbonate can be added to local anesthetics to lower the pH of the solution and decrease pain on injection.
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For accurate positioning, each of the following is essential except:
A. Two points must always be used to define a positioning line B. Positioning lines and planes must be viewed by the radiographer from the same horizontal level that the patient or the anatomy is on C. Positioning planes must be evaluated from a true end-on viewpoint D. At least two different viewpoints, perpendicular to each other, are required for the radiographer to assess all positioning planes
Better-informed citizens tend to treat health problems as ____
A) outside the individual's control B) an area of contested attribution of causal responsibility C) dependent on distributional justice D) a matter of personal choice and responsibility
The ______ perspective focuses on those who present for treatment.
Fill in the blank(s) with the appropriate word(s).
Clues about the potential seriousness of your patient's injury or injuries are MOST reliably obtained by:
A. evaluating the mechanism of injury. B. determining the age of the patient. C. questioning witnesses about the incident. D. forming a general impression.