PSY_209_Exam_1_Study_Guide

PSY_209_Exam_1_Study_Guide - Study Guide for Psychology 209...

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Study Guide for Psychology 209 Exam 1- Spring 2011 1. What is the period of time when an action potential is more likely to fire because the potential inside the cell is becoming more positive? A) Hyperpolarization B) Repolarization C) Depolarization D) Refractory period 2. What are the four main components that make up the “basic neuron”? A) Cell body, axon, dendrites, synapse B) Axon, dendrites, axon terminal, cell body C) Cell body, axon, axon terminal, synapse D) Cell body, dendrite, axon, axon hillock 3. Which of the following is an example of an anion? A) Sodium B) Potassium C) Chloride D) Calcium E) All of the above 4. Which of the following is not a type of synapse? A) Axo-somatic B) Dendro-dendritic C) Axo- dendritic D) Soma-somatic (two cell bodies) 5. What is the term for saying that Postsynaptic potentials decline in size as they travel from site of origin? A) Graded B) Additive C) Diminish D) None of the above
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A) Synaptic cleft B) Post-Synaptic enlargement C) Pre-synaptic element D) Both A and B E) All of the Above 7. Which of the following is not a property of an action potential? A) They do not decline in size once they are propagated B) Jump from one node of Ranvier to the next C) Occurs when a threshold level of depolarization is reached at the axon hillock D) Travel in many directions because of the refractory period 8. Which of the following is not one of the major functions performed by neurons A) Integrate information B) Transform information into complex output signals C) Receive information D) Distribute signals to other cells E) All of the above are major functions performed by neurons 9.Which of the following is categorized as an amino acid? A) GABA B) Acetylcholine C) Dopamine D) Serotonin 10. There are four major classes of neurotransmitters. What does the class tell us about the neurotransmitter? A) The function of the neurotransmitter
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PSY_209_Exam_1_Study_Guide - Study Guide for Psychology 209...

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