If it is assumed that the hypothesis is correct, the order in which the steps above would
occur to result in pain relief in a person having just inhaled the scent from an
aromatherapy oil or extract is , _ , and.
Hypothesized Steps in Aromatherapy Action
1. Olfactory neurons depolarize.
2. Olfactory receptors are stimulated.
3. Neurochemicals affect pain interpretation.
4. Neurochemicals are released from the axon terminals