A nurse is preparing a patient for suturing and provides patient teaching regarding the use of the local anesthetic
The nurse asks the graduate nurse assisting her questions about the anesthesia to evaluate the graduate nurse's understanding. Which statement best demonstrates the graduate nurse's accurate understanding of the effects of local anesthesia?
a. Perception of heat and cold are not affected by local anesthetics.
b. Local anesthetics block the sensation of deep pressure first.
c. It takes longer for local anesthetics to block small, nonmyelinated neurons.
d. Local anesthetics block conduction in motor nerves as well as sensory nerves.
ANS: D
Local anesthetics block conduction in motor nerves as well as sensory nerves.
Perception of heat and cold may be affected by local anesthetics.
Local anesthetics block the sensation of deep pressure but not as an initial response.
Small, nonmyelinated neurons are blocked more rapidly than large, myelinated neurons.
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