Splh 620 Exam 1 (Ku) Questionsand Answers 100% Correct

discriminative touch {Ans: - touch, pressure, vibration - mechanoreceptors - activated by mechanical displacement}norepinephrine {Ans: - excitatory - affects the heart}what is the CNS? {Ans: central nervous system - made up of brain and spinal cord,}what is the nervous system? {Ans: it is a system containing a network of neurons and it controls body functions}V trigeminal {Ans: somatosensory information from the head and face SPEECH}what are the 3 parts to synapse? {Ans: 1. presynaptic neuron (axon terminal) 2. synaptic cleft 3. postsynaptic neuron (dendrite)}types of sensory receptors {Ans: chemoreceptors (smell, taste, internal stimuli), photoreceptors (visual), thermoreceptors (temperature), mechanoreceptors (respond to physical deformation), nociceptors (pain)}what is the somatic nervous system? {Ans: sensory nerves send sensory information to the CNS, motor nerves receive motor commands from the CNS to control skeletal muscles}what does the thalamus do? {Ans: it conveys information to the cerebral cortex}VIII vestibulocochlear {Ans: hearing and balance HEARING}sulci {Ans: valleys, deep sulci are called fissures}what is the autonomic nervous system? {Ans: the part of the nervous system responsible for control of the bodily functions not consciously directed, such as breathing, the heartbeat, and digestive processes. also controls homeostasis