3 parts of neurons - Study guides, Class notes & Summaries

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...

Neuroscience ~~> study of the neurons and nervous systems how many neurons are in the brain and what is the power of the brain ~~> 100 billion neurons, and it is about 20W how large are neurons ~~> 10 microns Central Nervous System (CNS) ~~> all the parts within bone (spinal cord, thalamus, brainstem, cortex...) Peripheral Nervous System (PNS) ~~> not within bone (peripheral nerves) brainstem ~~> includes the medulla, midbrain, and the pons spine 2 | P a g ...

BIO 1023 Aluko Test 4 Questions and Answers 100% Pass 1. What part of the neuron receives signals from other neurons? - A.) Axon - B.) Dendrites - C.) Synapse - D.) Dendrites Explanation: Dendrites are specialized structures of neurons responsible for receiving signals from other neurons. 2. What is the pathway through which nicotine from cigarettes reaches the brain's pleasure center? - A.) Nicotine enters the bloodstream through the skin and travels to the brain. - B.) ...

OCCTH 583 Midterm Latest Update Graded A+ Dendrites Branchlike parts of a neuron that are specialized to receive information Cell Body / Soma The part of the neuron that contains the nucleus, which processes and integrates information Axon A threadlike extension of a neuron that carries nerve impulses away from the cell body A bundle of axons makes up a ___ Nerve Axon Collaterals Branches of the axon that allow one neuron to pass the signal to multiple effectors Where is t...

Test Bank CHAPTER 1 Multiple Choice 1. What is the MOST common emergency to occur in the dental office? A. Mild allergic reaction B. Angina C. Syncope D. Anaphylaxis 2. All of the following procedures will help to prevent an emergency in a dental office EXCEPT: A. accurate medical history taking. B. taking and recording vital signs. C. updating the medical emergency kit. 3. If a patient responds positively on his or her medical history to epilepsy, you will need to be on th...

Hondros Bio 253 Latest Version with Complete Solutions Layers of the skin epidermis, dermis, hypodermis Stratum Corneum Protective durable overcoat, waterproof, tough, relatively insensitive to biological, chemical and physical assault. Stratum Lucidum visible only in thick skin, few layers thick, dead clear cells Stratum Granulosum 3-5 layers of thick keratinocytes flastten out Stratum Spinosum overlies the stratum basale, cells come from the basale, filaments u the cells th...

WGU C180 Intro to Psychology, Exam Questions and answers, 100% Accurate, graded A+ Structuralism Wilhelm Wundt Functionalism William James Psychodynamic Sigmund Freud Behaviorism John B. Watson and B. F. Skinner Gestalt Max Wertheimer Humanistic Abraham Maslow and Carl Rogers Key mental strategies and goals are inborn through adaptation of the species, the result of natural selection. Evolutionary Psychology Uses computer as a model for the human mind. Cognitive Psychology B...

Test Bank for Cognitive Neuroscience, 4th Edition Banich/Compton Test bank Chapter 1 Introduction to the Nervous System 1. Neurons carry information from one place to another using what kind of signals? A: Electrical only B: Electrical and chemical C: Electrical and pressure D: Chemical only 2. Which of these is not a role played by glia? A: Creation of new neurons B: Removal of dead neurons C: Influencing communication between neurons D: Maintaining the blood-brain barrier 3. Which of these cor...

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...

12 Cranial nerves 1. Olfactory 2. Optic 3. Oculomotor 4. Trochlear 5. Trigeminal 6. Abducens 7. Facial 8. Vestibulocochlear 9. Glossopharyngeal 10. Vagus 11. Accessory 12. Hypoglossal Afferent nerves sensory nerves that carry impulses from the cells, tissues, and organs to the CNS system. Previous Play Next Rewind 10 seconds Move forward 10 seconds Unmute 0:01 / 0:15 Full screen Brainpower Read More Efferent nerves carry impulses from the CNS to cells, t...