What is an axon - Study guides, Class notes & Summaries

BIOD152 A&P 2 - Portage Learning Final Exam 100% Verified SOLUTIONS the neuron pictured below, is best described as multipolar true or false, explain why the state is false : Bipolar neurons have a central cell body with two extensions true List the phases of an action potential in order 1. resting potential 2. depolarization arizarion ng condition true or false , if false explain why the statement is false: the central nervous system consists of the brain and spinal cord true...

NASM 7th Edition Questions and Answers 2023 What percentage of adults are do not meet recommended activity guidelines? 80% BMI Normal 18.5-24.9 Overweight BMI 25-29.9 Obese BMI over 30 Bad Blood Pressure Hypertension= 140/90 normal blood pressure 120/80 140 systolic It is specifically the maximum arterial pressure during contraction of the left ventricle of the heart. 90 Diastolic- relating to the phase of the heartbeat when the heart mus...

WCU - PHYS 261 FINAL EXAM LATEST ANSWERS 2022. ) Nucleic acids are polymers of units called A) ribose. B) bases. C) fatty acids. D) amino acids. E) nucleotides. 6) Cell membranes are said to be A) actively permeable. B) impermeable. C) freely permeable. D) selectively permeable. E) none of the above 7) In humans, only __________ cells have flagella. A) sperm B) intestine lining C) stomach lining D) respiratory tract lining E) two of the above 8) The addition of a phosphate grou...

Afferent - Towards (towards the spinal cord) Efferent - Away From (away from the spinal cord) Which nerves are incapable of regeneration? - Neurons in the Central Nervous System (CNS) do not divide and injury causes permanent loss. Which injury to nerves has better outcomes? Crushed or Severed/Cut - Crushed nerves recover better How do peripheral nerves repair themselves? - Axonal Reaction Name 8 local changes that occur when an axon is severed - 1. Cut end retracts and the axolemma cove...

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...

PHYS 261 FINAL EXAM QUESTIONS AND ANSWERS 2023 REVIEW - Complete. An allosteric modulator binds to A) the active site. B) the product. C) a region of the enzyme other than the active site. D) the surrounding tissue. E) the substrate. 10) Permeability is a property of A) solutes. B) solvents. C) ions. D) membranes. E) proteins. 11) What are the two extracellular fluid compartments in the body? A) plasma and the fluid portion of the blood B) intracellular and plasma C) plasma and in...

EXPH 386 Exam 3 Latest Update Graded A+ coordination and integration of the muscles of the body together with the nerves that supply them Neuromuscular system Cell body (soma) action dictates the critical firing rate of the action potential Cell body (soma) contains what structures involved in replication and transmission of the genetic code Are larger cell bodies (somas) associated with higher or lower critical firing rates? higher short neural branches that receive impulses...

Branchlike parts of a neuron that are specialized to receive information - Answer-Dendrites The part of the neuron that contains the nucleus, which processes and integrates information - AnswerCell Body / Soma A threadlike extension of a neuron that carries nerve impulses away from the cell body - Answer-Axon Nerve - Answer-A bundle of axons makes up a ___ Branches of the axon that allow one neuron to pass the signal to multiple effectors - Answer-Axon Collaterals At the axon hillock - Ans...

What does the change in membrane voltage depend on? - ️️depends on the ion channels opened, not the neurotransmitter some neurotransmitters can have both excitatory and inhibitory effects; depends on the ligand gated channels in postsynaptic cell and the ion channels determining EPSP or IPSP When are large axons used? - ️️rapid responses- cockroach startle/escape response; sensory filiform hair receptors on back synapse to giant axon that goes to thoracic region and then synapses ...

As in the interval between stimuli decreases, the depolarization needed to generate the second action potential a. increases b. stays the same c. decreases d. There is never a second action potential - a. increases What is the approximate concentration of K+ inside a typical cell (intracellular concentration)? a. 150 mM b. 5 mM c. 0 mM d. 15 mM - 150 mM What is the approximate concentration of K+ outside a typical cell (extracellular concentration)? a. 150 mM b. 5 mM c. 0 mM d. 15...