The structure that meets the spinal cord in the hindbrain is the: When information is delivered within the CNS simultaneously by different parts of the neural pathway, the process is called ________ processing. d. Parkinson's disease. This disease causes gradual muscle stiffness . It is shown that localized co-injection of lidocaine derivative QX-314 and receptor agonists is able to block cold sensitivity in mice in a targeted way, with implications for treating cold pain associated with injury and disease. B) endorphin C) depolarization Which of the following is not a chemical class of neurotransmitters? What type of motor neuron stimulates skeletal muscle fibers to contract by the excitation contraction mechanism? B) voltage-gated channel Identify the neuron type described: Two functional neuron types that are structurally multipolar neurons. c. interneurons make inhibitory connections with damaged neurons. Question. D) astrocytes, Immediately after an action potential has peaked, which cellular gates open? c. Inhibited digestion Touch stimulation of this sensory receptor will open the mechanically gated ion channels, but action potentials are still not initiated because propagation of an action potential requires the opening of voltage-gated Na+ channels. B) microglia 36. A) ion b. smooth muscle cells are uninucleated. the sympathetic division of the autonomic nervous system. A) They conduct impulses. Neurons are located both in the CNS and on the periphery. certain disorder would most likely investigate which of the following? Which of the following is NOT characteristic of the sympathetic division of the autonomic nervous system? d. act as transcription factors. b. Myelin prevents conduction of electricity from the axon hillock to the axon terminal. d. the person has a history of drug abuse. nerve impulses) Need constant supply of nutrients and oxygen O All of the listed answer choices . Which of the following is correct? Characteristics and function of neurons. B. What are the different classes of neurons and their functions? Which division of your nervous system is generating this response? B) nerves The small layer of tissue surrounding the cerebral aqueduct in the brain is called: The parts of neurons that receive information from other neurons are called: 4. Select the correct statement regarding synapses. b. Functions. c. olfactory information. c. preganglionic terminals. Anatomy and Physiology questions and answers. The all-or-none phenomenon as applied to nerve conduction states that the whole nerve cell must be stimulated for conduction to take place. D) A small . a) Neurons are specialized to conduct electrical impulses. response? What are the different types of neurons in the ANS and where are they located? c. neurons. a. This protective role is important because cells of the immune system are denied access to the CNS. A) postsynaptic potential d . ______________ are chemicals that promote the growth and development of neurons. The greater the density of spines along dendrites, the greater a neuron's: 5. Estimate the number of moles of Ar in a typical lightbulb. a. (a) microglia (b) oligodendrocytes (c) ependymal cells (d) astrocytes. c. occipital lobe. In doing so, mention: a) the names of the neurons involved, b) where the neurons synapse with each other (2 possible ganglia), c) what Nt is released from each of the neurons. b. astrocytes respond to injury. d. reduce cortical arousal. a. hippocampus a. basal ganglia We reviewed their content and use your feedback to keep the quality high. Neurons differ in their morphology and function. Define neurotransmitter. Local anesthetics block voltage-gated Na+ channels, but they do not block mechanically gated ion channels. c. reticular formation. d. it fills spaces in the brain. c. neurotrophins. What do ANS neurons regulate with regard to mechanical digestion? As a component of the hyperdirect and indirect pathways, the STN is important for constraining movement, thought, and emotion through synaptic excitation of GABAergic basal ganglia output neurons. researcher would: Characteristics of neurons Flashcards | Quizlet True or False, Large-diameter nerve fibers conduct impulses much faster than small-diameter fibers. The preclinical phase of AD, which can last 10 to 20 years, is characterized by the gradual accumulation of -amyloid and tau aggregates in the brain, together with neuroinflammation and synaptic alterations ().Several lines of evidence indicate that -amyloid deposition precedes . A) They conduct impulses. C) Neurotransmitter receptors are located on the axons terminals of cells. What are ciliated CNS neuroglia that play an active role in moving the cerebrospinal fluid called? Neurons may be classified according to several characteristics. e. neurons that innervate smooth muscle are under involuntary control. A) motor neurons B) oligodendrocytes Which of the following is false or incorrect? 27. 1. d. Extrapyramidal System. c. the thalamus. A&P Chapter 12 Flashcards | Quizlet d. M1. The oligodendrocytes can myelinate several axons, Cell bodies of sensory neurons may be located in ganglia lying outside the central nervous system, During depolarization, the inside of the neuron's membrane becomes less negative. A neuron that has as its primary function the job of connecting other neurons is called a(n) ________. What are the functional classifications of neurons? a. corpus callosum. Multiple Choice. (d) All of these are characteristic of neurons. C) responds to stimuli by gland secretion or muscle contraction, The period after an initial stimulus when a neuron is not sensitive to another stimulus is the ________. D) biogenic amine, A neuron that has as its primary function the job of connecting other neurons is called a(n) ________. a. the hippocampus. All preganglionic neurons in the ANS are cholinergic. Conduct chemo-electrical impulses. If a physician identified her patient as a low drug metabolizer, which of the following is most d. frontal lobe. [PDF] Selective cold pain inhibition by targeted block of TRPM8 B. Skeletal muscles store nutrient reserves. Hepatocytes and neurons express low baseline CB1R and CB2R, respectively, and their cell-type-specific functions are not well defined. A&P Ch 9,10,11 Flashcards | Quizlet B) are found on "pathfinder" neurons The synaptic cleft prevents an impulse from being transmitted directly from one neuron to another. B) brain, spinal cord, and peripheral nerves B) A nerve impulse occurs if the excitatory and inhibitory effects are equal. 1. b) Myelinated axons transmit nerve impulses in the same manner as unmyelinated axons. Diminished cerebral blood flow increases oxygen to neurons. They secrete acetylcholine. A) origin of the stimulus c. gene duplication. Multiple sclerosis (MS) is a disease in which the myelin sheaths are destroyed. a. Dendrite b. The sheath of Schwann is also called the ________. 10 Characteristics Of Neurons (Nerve Cells) and Nervous System - 8SA.NET Which of the following cells are not found in a connective tissue? Neuroglia perform supportive functions in the brain. Choose the correct order of these events below. C) They increase amplitude as they move away from the stimulus point. c. the structure is further out to the side of the brain. Image credit: iStockphoto. The cerebellum is located in the: What effect might a disease that destroyed oligodendrocytes have on neuronal function? b. on the soma. Describe the types of neurons, their structure and their function. a. meninges. a. Oligodendrocytes B) norepinephrine A stimulus traveling toward a synapse appears to open calcium ion channels at the presynaptic end, which in turn promotes fusion of synaptic vesicles to the axonal membrane. Spiral ganglion neurons (SGNs) play a vital role in conveying complex information from hair cells to the brainstem (Shrestha et al., 2018).As the injury or degeneration of SGNs is particularly devastating to hearing function, thus the repair of SGNs is of great importance in hearing-related biomedical fields (Petitpre et al., 2018; Wei et al., 2021). Deep brain imaging on the move | Nature Methods 51. Neurons are the basic functional units of the nervous system, and they generate electrical signals called action potentials, which allow them to quickly transmit information over long distances. The substance released at axon terminals to propagate a nervous impulse is called a (n) ________. Which of the following describes the nervous system integrative function? 2 introduce new . Cold sores on the skin of the mouth occur when herpes simplex viruses that are dormant in neural ganglia become active and travel to the skin of the mouth. a. Astrocytes c) Myelinated axons utilize fewer, Which of the following statements does not accurately desoribe a characteristic of the autonomic nervous system? Saltatory conduction is made possible by ________. B) If a motor neuron in the body were stimulated by an electrode placed about midpoint along the length of the axon ________. A) ependymal cells likely acting upon? a) ion b) cholinesterase c) neurotransmitter d) biogenic amine. A disorder that damaged oligodendrocytes would be expected to impede neurotransmission. b. cerebellum. Why does a hyperpolarization phase generally follow a repolarization phase in an action potential? The Quadratic Formula from Kinematics In this problem we show how the kinematic equations of motion can be used to derive the quadratic formula. D) nitric oxide, Which of the following describes the excitatory postsynaptic potential? A person suffering from an inability to speak the word she intends to say, sometimes Fill in the blank. Myelination of the nerve fibers in the central nervous system is the job of the oligodendrocyte. alternations to DNA sequences? View the full answer. Name the two other neuron types which are cholinergic. Distinct reward processing by subregions of the nucleus accumbens D) Schwann cell, Which ion channel opens in response to a change in membrane potential and participates in the generation and conduction of action potentials? Name two amino acid neurotransmitters, two catecholamines, and two peptides. ce3z/(4zi)3dz. Psych 4035 Ch 3 Practice and Reading Quizzes, David N. Shier, Jackie L. Butler, Ricki Lewis, Charles Welsh, Cynthia Prentice-Craver, David Shier, Jackie Butler, Ricki Lewis, Chapter 3 Formatting Documents- Val Caylor. What are the small lower motor neurons that innervate intrafusal muscle fibers that are part of specialized stretch receptors called? 32. taking the substance. The significance of the myelin sheath surrounding axons of werve neurons is that ia is B. composed of synaptio vesieles, which corapletely botate the nouron due w ins whter dianecer. b. hypothalamus. c. The cerebral cortex includes the cerebellum. How can a single axon respond to several different kinds of events? C) acetylcholine Which of the following is NOT characteristic of the sympathetic What mechanism is responsible for axonal transport? 56. Which of the following is false or incorrect? DI) They have an exceptionally high metabolic rate. b. D) found in the retina of the eye, Which of the following is an excitatory neurotransmitter secreted by motor neurons innervating skeletal muscle? D) The synaptic cleft prevents an impulse from being transmitted directly from one neuron to another. d. support and brace neurons. Citation 17 - Citation 21 However, the effect of CH on axonal plasticity within the white matter following ischemic stroke is not known in detail. a. forebrain. Chapter 16 Autonomic Nervous System Flashcards - Easy Notecards b. cingulate cortex. 1. 28. B) They have extreme longevity. Which of the following is NOT a characteristic of the parasympathetic division? That part of the nervous system that is voluntary and conducts impulses from the CNS to the skeletal muscles is the ________ nervous system. d. that a person has autochromosomal traits. I was doing so well." A. neuronal fibers; axons B. axons; dendrites C. dendr. b. M3 c. M2 d. motor neuron. a. d . They conduct impulses. Which of the following types of glial cells monitors the health of neurons, and can transform into a special type of macrophage to protect endangered neurons?

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