TTU ZOOL 2403 Exam 2 Questions and Answers

What does the Central Nervous System include? - brain and spinal chord What does the Peripheral Nervous System include? - all nervous tissue outside the CNS One of the functions of the CNS is to interpret ____ information from the ____. - sensory, PNS The sensory information that comes in from the CNS is___. - Sensations One of the functions of the CNS is to send ____ commands to the ____ - motor, PNS The signals the CNS sends out produces____. - movement The CNS processes and coordinates higher functions, they are: - Consciousness, intelligence, memory, learning,emotions One function of the CNS is to deliver ___ information from ____ in the periphery to the ___. - sensory, receptors, CNS One function of the CNS is to deliver ___ commands from the ___ to ____ in the periphery. - motor, CNS, muscles What are the 2 divisions of the Peripheral Nervous System? - Somamotor nervous system, Autonomic nervous system The Somamotor Nervous System controls: - Skeletal muscle contractions The Autonomic Nervous System influences: - smooth and cardiac muscle tissue contractions What are the 2 divisions of the Automatic Nervous System? - sympathetic division, parasympathetic The sympathetic division ____ the body. - stimulates The " fight or flight" has to do with which division of the autonomic nervous system? - sympathetic The parasympathetic division ___ the body. - relaxes The "rest and digest" has to do with which division of the autonomic nervous system? - parasympathetic What are the 2 basic cell types of nervous tissue? - neurons and neurogila Neurons job is to: - communicate with and send signals to other neurons or muscles in the body Neurogilas' job is to: - support neurons Components of a typical neuron are: - cell body, dendrites, axon, synaptic terminals What is the function of the cell body on a neuron? - it receives and sums incoming signals from other neurons what is the function of the dendrites on a neuron? - to receive incoming signals from other neurons what is the function of the axon on a neuron? - to transmit different information to other neurons or to muscle what is the function of the synaptic terminals on a neuron? - to release chemicals into the synapse what is an action potential? - an electric signal Where does the action potential take place? - axon Where is the action potential transmitted to? - the synapse A synapse is the ____ ___ ___ between a neuron's terminals and another cell. - cite of contact