Which of the Following Is a Characteristic of a Local

question 28

Multiple Choice

Which of the following is a characteristic of a local anesthetic,such as Xylocaine?

• A)Causes a brief stinging sensation
• B)Begins working in 5 to 15 minutes
• C)Has a duration of action of 1 to 3 hours
• D)Produces a loss of sensation in a localized area
• E)All of the above

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Definitions:

NREM

Refers to the stages of sleep that are not accompanied by rapid eye movements, important for physical restoration and memory consolidation.

Delta Waves

These are slow brain waves that are most prominent during deep sleep, indicating a stage of deep rest and regeneration.

Alpha Waves

Brain waves detected by EEG that represent a state of relaxation with eyes closed, typically associated with calm wakefulness.

Sleep Spindles

A burst of oscillatory brain activity visible on an EEG that occurs during stage 2 of NREM sleep, thought to play a role in memory consolidation and synaptic plasticity.