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PSYC 101 Exam 1 Review Ch. 1-3.pdf

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PSYC 101
Barbara Wilson

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PSYC 101 EXAM 1 CH. 1-3 Review The brain's ability to coordinate information from all five senses best reflects which of the following characteristics of the nervous system? 
 Complexity ▯ The term plasticity refers to the ____. 
 Brains special capacity for modification and change ▯ Plasticity best reflects which of the following characteristics of the nervous system? 
 ▯daptability You are listening to a lecture. Then the bell rings in the hallway. In order to hear this stimulus, ______ neurons must carry electrochemical messages from your ears to your brain. 
 Afferent ▯ The lecture you were listening to is over. The bell that rang in the hall signaled the end of class. You get up out of your seat, pick up your things, and walk out the classroom door. 
 Which kind of nerves sent the signals from your brain to your muscles to Efferent your physical movements? 
 ▯ Information from the brain and spinal cord to the muscles is sent through __________, thus enabling the body to move. 
 Efferent Nerves ▯ Your brain has instructed your body muscles to move so that you avoid burning your hand on a hot stove. Which type of nerves carried the information from your brain to your muscles so that you could avoid getting burned? 
 Efferent Nerves The brain and spinal cord make up the _____. 
 Central Nervous system ▯ _____ nerves carry information to the brain and spinal cord. ______ nerves carry information from the brain and spinal cord to the rest of the body. Afferent / Efferent
 ▯ ▯ ▯ The ______ nervous system connects the brain and spinal cord to the rest of the body. 
 Peripheral ▯ ▯ The somatic nervous system and autonomic nervous system are components of the ____. 
 Peripheral nervous system ▯ The sympathetic nervous system and parasympathetic nervous system are components of the _____. 
 Autonomic nervous system ▯ ▯ The ______ nervous system mobilizes the body's resources and prepares it for action (i.e., the fight or flight response). 
 ▯ympathetic The parasympathetic nervous system is part of the _____ nervous system. 
 Autonomic ▯ You are walking to school when you encounter a strange barking dog. You tense up and contemplate whether you should run away. Which nervous system is responsible for this "fight or flight" reaction? 
 Sympathetic ▯ producing physiological symptoms (such as increased heart rate and butterflies in the stomach) under conditions of stress? 
 Sympathetic ▯ After finishing a psychology test, you try to relax by engaging in some meditation techniques. Doing these exercises should increase the response of the ________ nervous system, which results in a slower heart and respiration rate and less muscular tension. 
 Parasympathetic Essential body functions such as heart rate, breathing, and digestion are under the control of the _____. 
 Autonomic Nervous system ▯ ▯ ▯ Just before you went on a job interview your heart was pounding like crazy. You experienced a shortness of breath and felt sick to your stomach. These symptoms were most likely produced by your ________ nervous system. 
 Parasympathetic ▯ Corticosteroids are _____. 
 Stress Hormones ▯ Dendrites are ____. 
 The branch like part of the neuron that is responsible for receiving information from other neurons ▯ The part of the neuron that is responsible for sending or carrying information away from the cell body toward other cells ▯ The nucleus of a neuron is located in the ____. 
 Terminal Sub ▯ The cell body contains the ______, which directs the manufacture of substances that a neuron needs for growth and maintenance. 
 Nucleus ▯ ____ is a layer of fat cells that insulates most axons and speeds up the Myelin sheathof nerve impulses. 
 ▯ 31. Another term that describes the "firing" of neurons is _____. 
 Action Potential ▯ ____ are chemical substances that carry information across the synaptic gap to the next neuron. 
 Neurotransmitters ▯ A _____ is a tiny space between the axon of one neuron and the dendrites or cell body of another neuron. 
 ▯ynapse Your relative is experiencing memory loss related to Alzheimer disease. Research suggests that there may be insufficient production of the neurotransmitter _______ in this individual's brain. 
 Acetylcholine ▯ ▯ Acetylcholine is a neurotransmitter that plays an important role in ______. 
 Motor function, memory, and learning ▯ _____ inhibits the firing of neurons in the central nervous system, but it excites the heart muscle, intestines, and urogenital tract. 
 Norepinephrine ▯ Depression is associated with low levels of what neurotransmitter? 
 Serotonin ▯ _____ are natural opiates that shield the body from pain and elevate E
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