Oligodendrocyte - Study guides, Class notes & Summaries

NSG 527 Theory Final Exam Questions and Answers (UPDATED) 2023/2024 Assured A+. 1. What is the major inhibitory neurotransmitter in the CNS a. Glutamine b. Acetylcholine c. GABA d. Serotonin - ANSWER-c. GABA 2. What is the major mechanism of neurotransmitter action in the nervous system? a. The release of neurochemicals into the synapse b. Electrical impulses to move the message down the axon c. Receptors to receive the message d. Termination of neurotransmitter action in the sympathet...

Where can you find bipolar neurons? Retina of the eye, olfactory region, and inner ear Where can you find unipolar neurons? Most sensory Where can you find multipolar neurons? Most CNS and efferent neurons Neuroglia of the CNS -astrocytes (blood-brain barrier) -microglial cells -ependymal cells -oligodendrocyte Neuroglia of the PNS -Schwann cells -satellite cells Olfactory nerve (CNI) 1- Smell Optic nerve (CNII) 2- visual

Astrocytes - ️️glial, maintain ionic environment Lumbar - ️️hips and legs Tetrodoxin (TTX) - ️️- found in puffer fish ovaries - one could kill 30 adult humans - causes death via paralysis of respiratory muscles - fish has TTX resistant Na channels - irreversibly blocks channel Dermatomes - ️️spinal nerves innervate sections of the skin, message from certain section of skin is sent to certain section of spine - skin corresponds to spin 1. cervical 2. thoracic 3. lumbar...

Test Bank to accompany Neuroscience, Sixth Edition Purves • Augustine • Fitzpatrick • Hall • LaMantia • Mooney • Platt • White Chapter 1: Studying the Nervous System Multiple Choice 1. Which part of DNA is transcribed into messenger RNA? a. Exon b. Intron c. Promoter d. Non-coding DNA e. Regulatory DNA Answer: a Textbook Reference: Genetics and Genomics Bloom’s Level: 2. Understanding 2. Genomics is the analysis of a. coding DNA sequences for a species. b. ...

Bio 227 Lab Exam 3 Cory Hanley with Complete Solutions Where can you find bipolar neurons? Answer-Retina of the eye, olfactory region, and inner ear Where can you find unipolar neurons? Answer-Most sensory Where can you find multipolar neurons? Answer-Most CNS and efferent neurons Neuroglia of the CNS Answer--astrocytes (blood-brain barrier) -microglial cells -ependymal cells -oligodendrocyte

Rio Salado Bio 201 Exam 3, 346 Questions and Correct Answers, 100% Correct. Latest 2024/5. Myelination of the nerve fibers in the central nervous system is the job of the oligodendrocyte. T/F True If bacteria invaded the CNS tissue, microglia would migrate to the area to engulf and destroy them. T/F True Neurons in the CNS are organized into functional groups. T/F True Efferent nerve fibers may be described as motor nerve fibers. T/F True Voltage is always measured between two points...

Irene Gold BOARDS PART 1 Spinal Anatomy Exam Questions and Answers 100% Pass These are derived from what: →muscles →tendons →ligaments - Answer- MESODERM Paraxial Somatic These are derived from what: splanchnic - smooth muscle of organs - Answer- MESODERM Paraxial Splanchnic These are derived from what: urogenital system and kidneys - Answer- MESODERM Intermediate These are derived from what: →skull muscles, →dentine of teeth - Answer- MESODERM Head These are derived ...

Nissl Stain - ️️Nissl used basic died to stain the endoplasmic reticulum (RNA), thereby revealing cell bodies. Using the nissl stain, Brodmann found that different areas of the cerebral cortex had distinct cytoarchitectonic appearances. He identified 52 cortical areas, now called Broadmann's areas contralaterality - ️️right brain controls left, left brain controls right. most functions are contralateral 3 types of glial cells - ️️Astrocyte (maintain ionic environment), Oligode...

1. What is the major inhibitory neurotransmitter in the CNS a. Glutamine b. Acetylcholine c. GABA d. Serotonin - ANSWER-c. GABA 2. What is the major mechanism of neurotransmitter action in the nervous system? a. The release of neurochemicals into the synapse b. Electrical impulses to move the message down the axon c. Receptors to receive the message d. Termination of neurotransmitter action in the sympathetic nervous system reuptake into presynaptic neuron - ANSWER-d. Termination of ne...

How many neurons are in the human brain? ~~> about 100 billion What percentage of the brain do we use? ~~> 100% What is the brain's power in watts? ~~> 20 W What is the size of a typical neuron? ~~> 10 um (cell body diameter) What is the most common neurotransmitter? ~~> Glutamate What is the voltage of a neuron at rest? ~~> -65mV What is the name of the neuro-electrical impulse? 2 | P a g e | © copyright 2024/2025 | Grade A+ Master01 | September, 2024/20...