During Continuous Conduction

question 143

Multiple Choice

During continuous conduction,

• A) action potentials move in all directions along an axon.
• B) action potentials occur at successive nodes along the length of the stimulated axon.
• C) local currents depolarize adjacent areas of membrane so that action potentials continue along the membrane.
• D) the action potential starts at the beginning of the neuronal pathway and continues form neuron to neuron.
• E) local potentials produce a continuous outward flow of potassium ions.

---

Definitions:

EEG Pattern

The recording of electrical activity in the brain, analyzed in patterns to diagnose conditions or to understand neurological function.

Sleep Pattern

The habitual arrangement of the cycles of sleep and wakefulness over a 24-hour period.

Substance Dependence

Diagnosis given in the DSM-IV when a person’s substance use leads to physiological dependence or significant impairment or distress, as manifested by an inability to use the substance in moderation; a decline in social, occupational, or recreational activities; or the spending of large amounts of time obtaining substances or recovering from their effects.

Heroin

An illegal opioid drug derived from morphine, highly addictive and known for its euphoric effects.