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...

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...

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...

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.) ...

TEST BANK PATHOPHYSIOLOGY THE BIOLOGICAL BASIS FOR DISEASE IN ADULTS AND CHILDREN BY McCance Chapter 1: Cellular Biology MULTIPLE CHOICE 1. Which statement best describes the cellular function of metabolic absorption? a. Cells can produce proteins. c. Cells can take in and use nutrients. b. Cells can secrete digestive enzymes. d. Cells can synthesize fats. ANS: C In metabolic absorption, all cells take in and use nutrients and other substances from their surroundings. The remaini...

ATI-TEAS Practice Tests Nov 2022. aka the windpipe - is a cylindrical portion of the respiratory tract that joins the larynx with the lungs connects the throat to the stomach - when someone swallows, this contracts to force the food down into the stomach - like other structures in the respiratory system, this structure secretes mucus for lubrication (1) Identify the tissue(s) that is/are striated (2) Identify the tissue(s) that is/are NOT striated a) cardiac b) smooth c) skel...

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 ...

1. Which of the following tissues is always avascular? A) connective tissue D) epithelial tissue B) muscle tissue E) nervous tissue C) skeletal tissue Ans:  D Difficulty:  Medium 2. A scientist who examines tissue changes that might indicate disease is called a A) histologist. D) epidemologist B) radiologist. E) endocrinologist. C) pathologist. Ans:  C Difficulty:  Easy 3. The tissue lining body cavities is A) epithelial tissue. D) m...

Test Bank Porth Pathophysiology Concepts of Altered Health States 2nd Canadian Edition Table of Contents Chapter 01: Concepts of Health and Disease ................................................................................................. 3 Chapter 02: Concepts of Altered Health in Children ................................................................................... 14 Chapter 03: Concepts of Altered Health in Older Adults .............................................................

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...