Everything is made of protons, neutrons, and electrons but not sodium :)
A scientist looking at a chemical reaction in an experiment
A doctor watching a patient after administering an injection
An astronomer looking at the night sky and recording data regarding the movement and brightness of the objects he sees
A zoologist watching lions in a den after prey is introduced to determine the swiftness of the animals' response
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A meteorologist watching the Doppler radar as a storm approaches
A botanist recording daily data on plant growth after looking and measuring each day
A chart showing data collected over time
A doctor watching a patient's reaction to a medication
Answer:
In the gums
Explanation:
Lidocaine is a compound which can be used as a local anaesthetic. This anaesthesia works by blocking the voltage-gated channels which allows the influx of the sodium ions. As the sodium ions do not enter therefore an action potential is not generated in the axons as a result of which no pain is felt in the area.
In the given since the lidocaine is used by the dentist therefore the dentist in order to treat some dental problem must inject the lidocaine in the gums where the sensory receptors of the teeth are present.
Thus, in the gums is the correct answer.
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Explanation:
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