Vasoconstrictors may be combined with local anesthetics for which reason or reasons? (Select all that apply.)
a. To speed up the absorption process
b. To reduce the risk of toxicity
c. To prevent bradycardia
d. To shorten the duration of action
e. To prolong anesthesia
ANS: B, E
Vasoconstrictors, when combined with local anesthetics, reduce the risk of toxicity and prolong the anesthetic effects.
Vasoconstrictors, when combined with local anesthetics, do not speed up the absorption process, prevent bradycardia, or shorten the duration of action.
You might also like to view...
Which of the following is the most important question to ask during cardiovascular health history?
A. Number of offspring B. Last physical examination C. Sudden death of a family member D. Use of caffeine
The nurse caring for a family during a loss might notice that survival guilt sometimes is felt at the death of an infant by the child's:
a. Siblings. b. Mother. c. Father. d. Grandparents.
The nurse is planning care for a patient scheduled for a barium enema the next morning. What should be included in the plan of care?
1. enemas after the procedure 2. full-liquid diet for 24 hours before the procedure 3. positioning the patient on the right side during the procedure 4. nothing by mouth for 8 hours prior to the procedure
When planning care for a Latino American client, the nurse should be aware of which cultural influence that may impact access to health care?
A. The root doctor may be the first contact made when illness is encountered. B. The "yin" and "yang" practitioner may be the first contact made when illness is encountered. C. The shaman may be the first contact made when illness is encountered. D. The curandero may be the first contact made when illness is encountered.