When arousal occurs, we tend to pay more attention to the message in order to understand the source of the arousal. group of answer choices true false

False

Explanation: Arousal is simply the state of being alert, awake and attentive psychologically and this is controlled by the reticular activating system (RAS) in the brain. Arousal level is influenced by neurotransmitters in the brain. When aroused, you become aware of your environment and start preparing ways to respond to the situation. The source of the arousal isn't really paid much attention at that point.

answer; (phospholipid);

the answer that best describes the relative refractory period in the neuron is the resting membrane potential is restored, but concentrations of sodium and potassium are not restored to their original state.

the refractory period is the time during which another stimulus given to the neuron will not lead to a second potential. thus, because na+ channels are inactivated during this time, additional depolarizing stimuli do not lead to new action potentials.  

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