Hodgkin huxley - Study guides, Revision notes & Summaries

This document contains HUB2021S practical notes, including questions and answers from quizzes done throughout the semester (from 2023). The content includes: (1) cardiovascular system, (2) Renal histology, (3) Neuroanatomy and histology, (4) Neurophysiology, (5) Hodgkin-Huxley model of the action potential, (6) Respiratory physiology, (7) Biological anthropology, (8) Reproductive anatomy and (9) Skin and thermoregulation

CBNS 120 FULL PROBLEM SET QUESTIONS AND ANSWERS, GRADED A+/ VERIFIED. The slow AHP (after-hyperpolarization lasting for tens of milleseconds to seconds) results from: - -Calcium Activated gK In the Hodgkin-Huxley squid axon experiments, the late outward current could be isolated by: - -B & C Only (treating the axon with TTX (tetrodotoxin) & Stepping the membrane potential to the Na equilibrium potential) At threshold for the action potential: - -The outward leak K current equals the i...

NSCS 170C1 Exam 1 Questions with Correct Answers What are oligodendrocytes? - Answer-A type of glial cell that forms insulating myelin sheaths around the axons of neurons in the central nervous system. What are microglial cells? - Answer-small cells that phagocytize bacterial cells and cellular debris What happens to the proximal end of the neuron during injury in PNS? - Answer-it begins to sprout axons and growth cones can be detected What is the determining factor if the axon can ...

PSYC 270 Final Exam | Complete Solutions (Verified) In a biopsychology experiment, there is only one systematic difference between the experimental conditions. this difference is manipulated by the experimenter and is called the: a) between-subject variable b) confounded variable c) within-subject variable d) dependent variable e) independent variable Which of the following is an example of a species-specific behaviour? a) detect and interpret sensory signals b) playing the guitar c) feed, dri...

NROB60 Exam Questions With 100% Verified Answers Action Potential - answerDramatic redistribution of electrical charge across membrane. Rapid reversal of charge across membrane such that the interior becomes relatively positive (depolarization caused by influx of sodium) How to determine MP - answerMicroelectrode in cell, voltmetre used to measure electrical potential between tip of intracellular and extracellular microelectrode Membrane potential at rest - answer~-65mV Key parts of Acti...

Golgi & Cajal correct answers discovery of neurons McCulloch and Pitts correct answers abstract model of neural processing Hebb correct answers theory of neural learning Hodgkin and Huxley correct answers mathematical model of neural signals Hubel and Wiesel correct answers visual systems Turing (1950) correct answers computing and intelligence Dartmouth Conference (1956) correct answers AI becomes recognized McCarthy (1959) correct answers programs with common sense Know...

Test Bank to accompany Neuroscience, Sixth Edition Chapter 3: Voltage-Dependent Membrane Permeability exam with complete solutions Multiple Choice 1. Which statement about Na+ permeability during an action potential is most accurate? a. It is long lasting. b. It is responsible for the rising phase of the action potential. c. It is responsible for the falling phase of the action potential. d. It restores the membrane potential to its usual level following the action potential. e. All...

Multiple Choice 1. Ion channels that are involved in generation of action potentials open or close in response to a. voltage. b. neurotransmitters. c. second messengers. d. mechanical stimulation. e. temperature. Answer: a Textbook Reference: Overview Bloom’s Level: 2. Understanding 2. In what way are ion channels similar to active transporters? a. Both are proteins. b. Both actively move ions from one side of the membrane to the other. c. Both create ion concentration gradients...

Practice Questions for Neuro 3000 Exam 1 Who determined that nerves conducted electrical activity - ANS Galvani and Dubois-Reymond T/F: Humans and animals benefit from animal research - ANS True What experiments provided evidence for localization of brain function - ANS Broca's Area Galen destroyed the laryngeal nerve to show that it controlled pig vocalizations, which is an example of ... - ANS Ablation What does the fluid mechanical theory state... - ANS Fluid...

EMILLYCHARLOTTE 2024/2025 ACADEMIC YAER ©2024 EMILLYCHARLOTTE. ALL RIGHTS RESERVED FIRST PUBLISH SEPTEMBER 2024 Page 3/28 Concentration Gradients - Answer-Na-K pumps continuous work to establish and maintain concentration gradients; K+ efflux until inside -ve and Vm=Ek. Net movement of K+ is electrical current (Ik); # K+ channels open proportional to electrical conductance (gk) Ik=gk(Vm-Ek) Ideal Neuron - Answer-Only permeable to K+; Vm=Ek=-80mV Action Potential in Reality - Answer-When...