Which of the following is a biological factor that is related to gender differences in behavior?

During the action potential,

a. the inside of the axon becomes negatively charged relative to the outside of the axon. b. there is no change in the electrical charge of the axon. c. the inside of the axon becomes positively charged relative to the outside of the axon. d. there is a gradual, long-term reversal in the electrical charge of the axon. e. positively charged ions are pumped from the inside of the axon.

Regarding the gate control theory and acupuncture, which of the following statements is FALSE?

a. Messages carried by large, fast nerve fibers seem to close the spinal gate directly. b. Messages from small, slow fibers go through the pain gate and on to a "central biasing system.". c. The acupuncture needles activate the large, fast nerve fibers and close the spinal gate directly. d. Studies have shown that acupuncture produces short-term pain relief for about half of patients tested.