F08Ch02SG - Psych 150 - Dr. Landman Fall Semester, 2008 -...

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Psych 150 - Dr. Landman Fall Semester, 2008 - Sections 05x and 07x Study Guide for Chapter 2: The Biological Basis of Behavior ________________________________________________ Name Multiple choice, short answer, and possibly other types of questions on Chapter 2 for the chapter quiz and for the test will be drawn from the material below. Answers to multiple choice questions may be in a different order on the test and/or the quiz, and questions or answers might be rephrased slightly to make them clearer. Multiple Choice 1) In regard to neurons and to the brain, the term "plasticity" refers to ________. A) level of complexity B) brittleness, or rigidity C) ability to adapt to new conditions D) easily broken or "cracked" 2) Within a neuron, information always flows from _______. A) cell body to dendrite to axon B) axon to cell body to dendrite C) cell body to axon to dendrite D) dendrite to cell body to axon 3) Neurons that collect messages from sense organs and carry those messages to the spinal cord or the brain are called sensory or ________ neurons. Neurons that carry messages from the spinal cord or the brain to the muscles and glands are called motor or ________ neurons. A) primary; secondary B) efferent; afferent C) association; inter D) afferent; efferent 4) The "all or none" law is the principle stating that ________. A) all neurons in an area fire at the same intensity or not at all B) all the neurons in a particular area of the brain fire simultaneously or not at all C) a neuron fires at full strength or not at all D) a neuron must be receiving only "fire" messages through its dendrites or it will not fire at all 5) Three of the following statements are true. Which one of the following is NOT true of neural impulses? A) The incoming message must be above a certain threshold to cause a neural impulse. B) The neuron fires in response to every impulse it receives. C) The neuron may fire during the relative refractory period. D) Neural impulses travel at speeds ranging from 3 feet per second to 400 feet per second. 6) Signals travel within a neuron by means of ____________; they travel between neurons by means of ____________. A) electrical signals; chemical signals. B) electrical and chemical signals; electrical and chemical signals. C) chemical signals; electrical signals. D) neurogenesis; extraneuronal transmission. 7) Which of the following neurotransmitters is known for its role in schizophrenia and Parkinson's disease? A) acetylcholine B) norepinephrine C) serotonin D) dopamine 8) Because they have similar chemical structures, morphine and other opiates are able to lock into receptor sites for a neurotransmitter called ________ that reduces pain messages in the brain. A) serotonin
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F08Ch02SG - Psych 150 - Dr. Landman Fall Semester, 2008 -...

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