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IVY TECH Nervous System 1 APHY 101 Final 2024 Exam 11 Quiz 101%CorrectAnswers Provided What functions to detect changes inside and outside of the body? - Answer>>Sensory receptors Bundles of myelinated axons form nervous system tissue called ------------------ Unmyelinated axons, dendrites, neuronal cell bodies, and synapses are found within nervous system tissue called ---------- - Answer>>white matter gray matter Carry impulses from the CNS to effectors Relay impulses between neurons in CNS Carry impulses from receptors to CNS - Answer>>motor neuron
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What functions to detect changes inside and outside of the body? - Answer>>Sensory receptors Bundles of myelinated axons form nervous system tissue called
Unmyelinated axons, dendrites, neuronal cell bodies, and synapses are found within nervous system tissue called ---------- - Answer>>white matter gray matter Carry impulses from the CNS to effectors Relay impulses between neurons in CNS Carry impulses from receptors to CNS - Answer>>motor neuron interneurons sensory neuron The effectors of the _______ nervous system are skeletal muscles.
The effectors of the _______ nervous system include cardiac muscle, smooth muscle, and glands. - Answer>>somatic autonomic What occurs during depolarization of an axon? - Answer>>Sodium channels open and sodium diffuses into the cell. The disease called multiple sclerosis involves an immune response against myelin of the central nervous system, causing scar formation (sclerosis) within the neural tissue. How would this affect nerve impulse conduction? - Answer>>Impulses are blocked or interrupted. The myelin sheath along an axon is not continuous. What are the gaps between Schwann cells called? - Answer>>Nodes of Ranvier The brain and the spinal cord make up the __________ nervous system. - Answer>>central What type of electrical signal is an all-or-none response? - Answer>>action potential What are muscles and glands whose activities are controlled by nervous activity called? - Answer>>effectors What is the role of monoamine oxidase and acetylcholinesterase in the nervous system? - Answer>>To breakdown neurotransmitter molecules In what type of axon does saltatory conduction occur? - Answer>>myelinated What structure of a neuron is a short, highly branched process that helps receive input from other neurons? - Answer>>dendrites