Multiple Choice
How does Novocain block pain when a dentist is drilling your tooth?
A) Novocain causes action potentials to travel away from the brain instead of toward it.
B) Novocain prevents sodium from crossing the membrane.
C) Novocain inhibits many synapses in the brain.
D) Novocain blocks blood flow to certain brain areas.
Correct Answer:
Verified
Correct Answer:
Verified
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